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AM2302 DHT22 Temperature and Humidity Sensor Module
Product Name: AM2302 DHT22 Temperature and Humidity Sensor Module Overview: The AM2302 DHT22 is a digital temperature and humidity sensor module featuring a factory-calibrated digital signal output. Engineered with advanced digital acquisition and sensing technology for temperature and humidity, it delivers high reliability and outstanding long-term stability. The module incorporates a capacitive humidity sensor and a high-accuracy temperature element, integrated with a high-performance 8-bit microcontroller. Features: - Fully calibrated digital output - Extremely low power consumption - Long communication distance exceeding 20 meters - Automated calibration using capacitive humidity sensor components - Interchangeable without the need for recalibration - Standard digital single-wire communication - Exceptional long-term stability - Employs a high-precision temperature sensing element Technical Specifications: - Dimensions: 40 x 23 mm - Weight: 4 g - Operating voltage: 5 V - Communication interface: Digital bidirectional single-wire bus - Temperature measurement range: -40 to 80°C, accuracy ±0.5°C - Humidity measurement range: 20 to 90% RH, accuracy ±2% RH Applications: The AM2302 DHT22 is well-suited for use in HVAC systems, dehumidifiers, test and inspection equipment, consumer electronics, automotive applications, automated control systems, data recorders, household appliances, humidity controllers, medical devices, weather stations, and other environments requiring humidity monitoring and control.
PWM DC Motor Speed Controller, 5V-16V, 12V Speed Adjustment Switch, 10A Switch Function, LED Dimming and Speed Control Module
Product Overview: The PWM DC Motor Speed Controller 5V-16V 12V Speed Control Switch 10A Switch Function LED Dimming Speed Control Module is a high-precision Pulse Width Modulation (PWM) motor speed controller designed for DC motors. Compact and highly efficient, this module offers seamless, stepless control over a motor’s rotational speed or LED brightness. Compatible with input voltages ranging from 5V to 16V and supporting continuous currents up to 10A, it is an ideal choice for a broad range of electronic applications requiring dependable speed or light intensity modulation. Technical Specifications: - Operating Voltage Range: 5V to 16V DC - Continuous Current Rating: 10A - Maximum Short Circuit Current: 20A (for up to 10 seconds) - Efficiency: Up to 98% - PWM Duty Cycle Range: 0% to 99% (enabling smooth and graduated power delivery) - Control Method: Adjustable using a B100K potentiometer (clockwise to increase speed or brightness) - Physical Dimensions: 30mm x 20mm x 14mm (L x W x H), potentiometer length not included - Weight: 10 grams - Potentiometer Specification: B100K for PWM signal adjustment - Terminal Configuration: Positive Power Supply, Positive Output, Negative Output, Negative Power Supply Key Features: - Wide input voltage range, suitable for various power supply options - High continuous current capacity with robust design for sustained 10A operation - Temporary peak current tolerance up to 20A for short-duration surges - Extremely high efficiency with minimal power loss, achieving up to 98% efficiency - Stepless PWM control allowing fine, continuous adjustment of motor speed or LED brightness - Compact and lightweight construction for effortless integration into space- or weight-constrained systems - Accurate, smooth adjustment with a high-quality B100K potentiometer for precision control - Simplified wiring with clearly labeled terminal blocks for straightforward setup Applications: This PWM controller is exceptionally versatile and suitable for a wide array of uses, including: - DIY electronics projects requiring motor speed adjustment, from hobbyist builds to educational kits and prototypes - LED dimming applications, such as custom lighting solutions, decorative setups, or stage lighting requiring precise brightness control - Robotics that demand accurate motor speed regulation for precise movement and operation - Speed control of small appliances where performance depends on variable adjustment, including fans or pumps - Automotive and marine projects for the management of DC motor-driven devices operating on a variety of system voltages In summary, the PWM DC Motor Speed Controller 5V-16V 12V Speed Control Switch 10A Switch Function LED Dimming Speed Control Module is a flexible and high-performance solution for DC motor and LED brightness control. With its compact footprint, high efficiency, and significant current handling capabilities, it serves as an excellent selection for both enthusiasts and professionals seeking a precise, reliable PWM controller.
Electromyography signal acquisition sensor module
Product Name: EMG Sensor Module for Muscle Signal Acquisition Features and Capabilities: - Designed for the acquisition of electromyography (EMG) signals produced by muscle tissues. - Enables monitoring and recording of muscle activity. - Serves as a versatile tool suitable for biomedical research and interactive control projects. Technical Specifications: - Signal Acquisition: High sensitivity detection and amplification of electrical signals from muscles. - Output Signal: Analog output directly proportional to the amplitude of the EMG signal. - Operating Voltage Range: Fully compatible with standard analog input ranges of microcontrollers. Physical Characteristics: - Compact form factor for seamless integration into a variety of projects and wearable technologies. - Clearly labeled interface pins to facilitate straightforward connections with other hardware components. Operating Parameters: - Engineered to operate reliably within the typical range of human muscle signals, ensuring consistent and accurate data acquisition. For comprehensive application examples, circuit diagrams, pinout details, performance graphs, and dimensional drawings, please refer to the provided embedded images to maximize the functionality and utility of the sensor module.
Omnidirectional microphone module, MEMS, high precision, low power consumption, I2S interface, supports ESP32
Product Overview: The INMP441 is a high-performance, omnidirectional MEMS microphone featuring a low-power digital output and a bottom port. It provides a complete solution incorporating a MEMS sensor, signal conditioning, analog-to-digital conversion, anti-aliasing filtering, power management, and a standard I²S interface. The INMP441 can be directly interfaced with digital processors such as DSPs and microcontrollers, eliminating the need for an audio codec. Its high signal-to-noise ratio makes it ideal for near-field applications, and it delivers a flat, wideband frequency response for natural and clear sound reproduction. Technical Specifications: - Interface: Digital I²S with high-precision 24-bit data - Signal-to-Noise Ratio (SNR): 61 dBA - Sensitivity: -26 dBFS - Frequency Response: Consistent from 60 Hz to 15 kHz - Power Consumption: Low current draw of 1.4 mA - Power Supply Rejection (PSR): -75 dBFS Interface Definition: - SCK: Serial clock for I²S communication - WS: Word select for I²S communication - L/R: Left/Right channel selection; when low, the microphone outputs to the left channel in the I²S frame, and when high, to the right channel - SD: Serial data output for I²S communication - VCC: Power input, supports 1.8V to 3.3V - GND: Ground Physical Characteristics: - The module is supplied with a tutorial for integration with ESP32 modules featuring I²S support. Connection to ESP32 Development Board: - SCK to GPIO14 - SD to GPIO32 - WS to GPIO15 - L/R to GND - GND to GND - VDD to VDD3.3
USB DC Step-Down Module 12V/24V to QC3.0 Fast Charger for Mobile Phones
USB DC Buck Converter Module (QCMINI) with Multi-Protocol Quick Charge Support Product Features: - Automatically adjusts output voltage between 3V and 12V when quick charge is activated Technical Specifications: - Input Voltage Range: 6V to 32V - Default Output Voltage: 5V - Maximum Output Power: 24W - Output options: 5V@3.4A, 9V@2.5A, 12V@2A - Conversion Efficiency: 90% to 97% - Compatible with multiple quick charge protocols - Protection Features: - Input overvoltage and undervoltage protection - Input overcurrent protection - Output overcurrent and short-circuit protection - Overtemperature protection for the entire device Supported Quick Charge Protocols: - BC1.2, Apple, and Samsung protocols - Qualcomm QC2.0 and QC3.0 - MTK PE1.1/PE2.0 - Huawei Fast Charge Protocol (AFC) - Spreadtrum Fast Charge Protocol (SFCP) Typical Applications: - Mobile phone charging via solar panel conversion - Vehicle charging modification - Power supply for dashcams - Home power conversion applications Physical Characteristics: - Dimensions: 37 x 20 x 10 mm - Weight: 7.5 g
Industrial-grade USB to RS485 communication module, bidirectional half-duplex serial cable converter, TVS protection
Product Name: Industrial-Grade USB to RS485 Communication Module with Bidirectional Half-Duplex Serial Converter and TVS Protection U485 Product Features: - Incorporates genuine, high-quality integrated circuits for dependable performance - Industrial-grade protection measures, including TVS (Transient Voltage Suppression) for real-time overvoltage protection, as well as ESD (Electrostatic Discharge), surge, and short-circuit protection for AB signal lines and power supply, ensuring resistance to damage from electrical shorts - Supports transmission distances up to 1200 meters (tested at 9600bps) - Capable of high baud rates up to 921600bps for rapid data transmission when used in paired configurations - Compatible with multiple operating systems—Windows 98/CE/2000/2003/2008/XP/7/8/10/VISTA, LINUX, and MAC OS X—with plug-and-play functionality and hot-swappable USB connectivity - Features automatic direction control for data transmission, eliminating the need for handshaking signals (such as RTS, DTR) or manual jumper settings for mode conversion - Equipped with visual status indicators: TXD (Transmit Data) and RXD (Receive Data) LEDs Technical Specifications: - Power Supply: USB 5V - Chipset: CH340 - Communication Protocol: Hardware-based operation, not restricted by protocol compliance - Supported Baud Rate: 921600bps, with potential for higher speeds when used in matched pairs - Protection Features: TVS, ESD, surge, and short-circuit protection - Operating Temperature: -40℃ to 80℃ - 5V auxiliary power output with integrated fuse for current limiting - Weight: 16 grams - Dimensions: 70 x 27 x 13 mm Enhanced Functionality: - Designed for straightforward detection and management of data transmission direction, without the need for handshake signals or complex configuration. Ensures seamless compatibility with standard communication software and hardware interfaces.
MCU-230 CAN Bus Transceiver SN65HVD230 Communication Module
Product Name: MCU-230 CAN Bus Transceiver SN65HVD230 Communication Module Product Overview: The MCU-230 is a durable communication module engineered for automotive and industrial Controller Area Network (CAN) applications. Leveraging the SN65HVD230 transceiver chip, it ensures reliable data transmission and reception within CAN systems. The module is fully compliant with the ISO11898 standard, providing extensive compatibility for various applications. Key Features: - Utilizes the SN65HVD230 transceiver for enhanced performance in environments with significant electrical interference - Full compliance with ISO11898 standard - High input impedance, supporting up to 120 nodes on the CAN network - Low-power standby mode with a typical current consumption of 370μA - Supports communication speeds up to 1 Mbps - Integrated thermal protection and fail-safe mechanisms for dependable operation - Designed to minimize Electromagnetic Interference (EMI) and shield bus lines from transient disturbances - Adjustable slope control to minimize Radio Frequency Interference (RFI) - Differential receiver designed to tolerate a broad range of common-mode interference Operating Modes and Controls: The SN65HVD230 module supports three operational modes: high-speed, slope control, and standby. Mode selection is managed via the Rs pin; operational modes can be switched by adjusting the slope resistor connection, from 0 to 100kΩ. Physical Characteristics and Connection Details: - Operating voltage: 3.3V (designated as 3V3) - Integrated connections for CAN High (CANH) and CAN Low (CANL) bus lines - Power (3V3) and Ground (GND) input pins - Data Transmit (CTX) and Receive (CRX) pins for interfacing with CAN controllers - Compact form factor: 16.1mm x 14.5mm Package Contents: - 1 x MCU-230 CAN Bus Transceiver SN65HVD230 Communication Module
USB DC Buck Converter Module, 12V/24V to QC3.0 Fast Charge 5V Car Charger for Mobile Devices
Product Name: USB DC-DC Buck Converter Module for Quick Charge Mobile Phones Module Features: - Integrated synchronous buck converter chip - Input Voltage Range: 4.5V to 32V (Note: The input voltage must exceed the output voltage, in accordance with buck converter operation) - Output Voltage Range: 3V to 12V, automatically adjusts based on the detected quick charging protocol - Maximum Output Power: 24W (supports configurations such as 4V@3.6A, 5V@3.4A, 9V@2.5A, 12V@2A) - Output voltage compensation for voltage drop across the cable - Output Modes: Constant Voltage (CV) and Constant Current (CC)—operates in CV mode when output current is below the preset value, and switches to CC mode when output current exceeds the preset value - High conversion efficiency, up to 97% - Soft-start functionality - Switching Frequency: 220kHz Quick Charge Output Compatibility: - Supports BC1.2, Apple, and Samsung charging protocols - Compatible with Qualcomm Quick Charge QC2.0 and QC3.0 - Supports MTK PE1.1 and PE2.0 protocols - Supports Huawei Fast Charge Protocol (FCP) - Supports Samsung Adaptive Fast Charging (AFC) - Supports Spreadtrum Fast Charge Protocol (SFCP) Comprehensive Protection Features: - Output overcurrent protection - Input overvoltage and undervoltage protection - Output short-circuit protection - Over-temperature protection for the entire device - ESD protection: 4KV; DC withstand voltage: 48V Application Notes: - The USB output voltage automatically adapts to the connected device; different devices may trigger different output voltages - Standard USB output is 5V, but when a compatible quick charge protocol is detected, the module supplies the appropriate voltage for fast charging - Most mobile phones use 9V or 12V for quick charging; some devices support high-current quick charging at 5V - For devices that do not support quick charging, the module provides standard low-current charging
3.7V lithium battery charging protection board module, suitable for polymer 18650, supports spot welding, multiple parallel connections, 3A overcurrent value
3.7V Lithium Battery Protection Board Module Product Overview: This lithium battery protection board module is designed for use with a variety of cylindrical and polymer lithium-ion cells with a nominal voltage of 3.7V. Its primary role is to manage and protect battery cells by offering safeguards against overcharge, over-discharge, overcurrent, and short-circuit conditions. The module features high-quality MOSFETs sourced from leading manufacturers such as VISHAY, AOS, and IR, and is constructed on an FR-4 board with a low temperature coefficient to ensure accuracy and reliability. Each unit undergoes precise design and comprehensive testing. Technical Specifications: - Overcharge Detection Voltage: 4.25±0.05V - Overcharge Release Voltage: 4.23±0.05V - Over-discharge Detection Voltage: 2.54±0.1V - Overcurrent Detection Current: 1-3A - Suitable for integration into high-density and cost-sensitive applications, this protection board enhances the safety and reliability of battery packs. Features and Capabilities: - Employs a dedicated integrated circuit (IC) specifically for cell protection. - Provides a range of safety mechanisms, including: - Overcharge protection to prevent cell damage from excessive charging. - Over-discharge protection to prevent cells from discharging beyond safe limits. - Short-circuit protection to interrupt current in the event of a direct short. - Overcurrent protection to restrict current draw to safe levels. Component Details: - The module includes a resistor, connectors, and microchips labeled 8205A and CMDSH-3. - Designed for user convenience, with connection points clearly marked as +B (Battery Positive), -B (Battery Negative), +P (Output/Input Positive), and -P (Output/Input Negative). Physical Characteristics: - The module is compact, making it well-suited for use in space-constrained applications. - It is lightweight, with an approximate weight of 0.4 grams. General: - The primary function of this protection board is to regulate and safeguard lithium-ion batteries, ensuring their optimal performance and safety across a wide range of electronic devices.
Ultrasonic atomizer module with Type-C port, no switch, four-spray humidification, DC5V atomization control board, DIY
Product Name: Ultrasonic Atomizer Type-C Interface (No Switch) Four-Mist Humidifier Module DC5V Mist Control Board DIY Product Features and Capabilities: - Type-C USB interface for convenient power connection - Streamlined design without a physical switch - Four spray outlets to maximize humidification coverage Technical Specifications: - Operating Voltage: DC 5V, compatible with standard USB power supplies - Ultrasonic Frequency: Engineered for efficient mist generation Physical Characteristics: - Compact module structure for seamless integration into DIY applications Performance Details: - Utilizes ultrasonic technology for effective water atomization, producing fine mist - Operates with low noise, suitable for noise-sensitive environments Operating Parameters and Ranges: - Optimal for indoor use to regulate humidity levels - Appropriate for personal humidifiers, skincare routines, and indoor plant misting Specifications are subject to revision to enhance product performance and reliability. Please refer to the latest datasheet for current information.
Adjustable DC-DC USB Step-Up/Step-Down Voltage Regulator Module, 5V to 3.3V/9V/12V/24V
Product Overview: The DC-DC USB Adjustable Step-Up/Step-Down Voltage Regulator Module (5V to 3.3V, 9V, 12V, 24V DP) is a high-performance, versatile power management solution engineered to convert USB-supplied voltage into various selectable output levels, both above and below the input voltage. This module enables users to reliably power a broad spectrum of devices requiring distinct voltage levels, making it an indispensable resource for electronics enthusiasts, hobbyists, and professionals engaged in diverse electronic and embedded systems projects. Key Specifications: - Input Voltage: Compatible with a standard 5V USB input. - Adjustable Output Voltage Range: Supports common output levels including 3.3V, 9V, 12V, and up to 24V. - Current Capacity: Selectable based on application needs; typical modules provide between 1 and 3 amps. - Conversion Efficiency: Delivers approximately 85–90% efficiency, subject to load and output settings. - Voltage Regulation: Ensures stable and consistent output, compensating for fluctuations in input voltage. - Ripple and Noise: Maintains low ripple and minimal noise for the safe operation of sensitive electronic components. - Protection Mechanisms: Incorporates safety features such as over-current protection, short-circuit protection, over-voltage protection, and thermal shutdown. - Operating Temperature Range: Supports operation across a wide temperature spectrum (e.g., 0°C to 70°C). - Physical Dimensions: Features a compact form factor, generally within 40–70mm (length), 20–40mm (width), and 10–20mm (height), facilitating easy integration into various systems. Applications: - Adjustable power supply for prototyping and circuit development. - Supplying power to sensors, actuators, and devices with specific voltage requirements not met by standard sources. - Regulation of power for charging and discharging batteries. - Deployments in portable, solar, and battery-powered systems due to superior energy efficiency. - Leveraged in educational and DIY environments to demonstrate voltage conversion and regulation principles. Features: - Multiple output voltages from a single compact module enhance versatility. - USB interface provides straightforward connectivity to standard 5V USB power sources including power banks and computers. - Precision adjustment via onboard potentiometers or trimmers for exact voltage output. - Integrated Digital Display Panel (DP) facilitates real-time monitoring of output voltage for accuracy and reliability. - Durable construction and compact design ensure portability and enduring performance. The DC-DC USB Adjustable Step-Up/Step-Down Voltage Regulator Module distinguishes itself through its adaptability, converting 5V USB power to a variety of output voltages. This makes it an essential tool for a wide array of electronic and electrical applications, consistently delivering reliable performance across diverse usage scenarios.
2.0 stereo Bluetooth audio digital HiFi amplifier board module 50W*2 with bass and treble adjustment
Product Overview: The ZK-502MT is a high-performance 2.0 stereo Bluetooth audio digital Hi-Fi amplifier module engineered to deliver an immersive listening experience. This compact yet robust module outputs 50W per channel, delivering rich and dynamic sound. Featuring integrated Bluetooth functionality, it enables seamless wireless music streaming from smartphones, tablets, and other Bluetooth-enabled devices, making it an optimal choice for DIY audio projects, custom speaker configurations, or enhancements to existing audio systems. Key Specifications: - Output Power: 50W per channel (total 100W) - Number of Channels: 2 (stereo) - Bluetooth Version: Compatible with Bluetooth 4.0 or higher for stable wireless connectivity - Amplifier Type: Class D for high efficiency and low thermal output - Audio Inputs: Bluetooth, AUX (for wired connections) - Frequency Response: Typically 20Hz–20kHz, encompassing the full audible range - Signal-to-Noise Ratio (SNR): ≥90dB for clear and interference-free audio - Total Harmonic Distortion (THD): ≤0.1% at optimal output for accurate sound reproduction - Bass & Treble Adjustment: Onboard controls for tailored low and high frequencies - Power Supply Voltage: DC 12V–24V, supporting a range of power sources - Protection Features: Safeguards against overheating, overcurrent, overvoltage, and short circuits - Operating Temperature Range: Typically -20°C to 50°C for reliable performance in diverse environments Applications: The ZK-502MT amplifier is ideal for a wide variety of applications, including: - DIY audio projects for hobbyists and enthusiasts - Home audio systems and surround sound installations - Personal desktop Hi-Fi audio systems - Background music systems in retail or commercial settings - Audio amplification in educational or instructional settings - Public address systems for smaller venues Features: - High-Fidelity Stereo Sound: Ensures superior sound quality and immersive audio - Bluetooth Streaming: Convenient wireless music playback from a range of devices - Power Efficiency: Class D amplification for minimal heat and optimal energy use - Signal Clarity: Provides clean, noise-free audio reproduction - Easy Integration: Compact form factor simplifies incorporation into custom audio solutions - Durable Construction: Built with reliable components for sustained performance - Adjustable Sound: Integrated bass and treble controls for user-customized audio - Safety Protections: Multiple built-in safeguards for dependable and safe operation - Flexible Power Options: Compatible with various DC power inputs for diverse usage requirements Combining powerful audio performance, adaptability, and high-fidelity sound, the ZK-502MT is a versatile and dependable amplifier module. Whether employed as a core component in integrated sound systems or as part of larger-scale audio projects, this module delivers professional-grade audio performance within easy reach.
NFC RFID V3 module with updated PN532, supports near field communication and Android phone compatibility
Product Name: PN532 NFC RFID V3 Module Overview: The PN532 NFC RFID V3 Module is a highly adaptable and user-friendly component centered on the renowned NXP PN532 chip, specifically engineered for Near Field Communication (NFC) applications. This module appeals to electronics hobbyists and developers seeking to incorporate NFC technology into their projects, enabling seamless wireless data exchange between smart devices within a short range. Features: - Compact dimensions for straightforward integration into various projects - Supports multiple communication interfaces: I2C, SPI, and High-Speed UART (HSU), providing operational flexibility - Capable of RFID tag reading and writing - Supports Peer-to-Peer (P2P) NFC communication - Enables NFC connectivity with Android smartphones - Typical read distance ranges from 5 cm to 7 cm - Integrated level shifter supports 5V I2C and UART TTL, as well as 3.3V TTL for SPI - Arduino compatibility, enabling effortless integration with Arduino shields Supported RFID Tags and Cards: - Mifare 1K, 4K, Ultralight, and DESFire series cards - ISO/IEC 14443-4 compliant cards, including CD97BX, CD Light, and DESFire EV1 - IRT5001 cards - FeliCa cards such as RCS_860 and RCS_854 Module Specifications: - Accessible I/O pins from the PN532 chip for versatile connections - Easily switchable interface modes (I2C/SPI/UART) via appropriate pin connections - Comprehensive Arduino library support to streamline development Pin Configuration: - VCC: Power input - GND: Ground - SDA, SCL: I2C data and clock interface - SCK, MISO, MOSI: SPI communication pins - TX0, RXD: UART transmit and receive - RST0: Reset function Package Contents: - 1 x PN532 NFC RFID Module - 1 x 4-pin cable (2.54 mm pitch) - 1 x Mifare One S50 White Card - 1 x Mifare One S50 Key Card - 1 x Set of 12-position bent male header pins Note: This module is equipped with NFC features that support basic wireless interactions with NFC-enabled Android devices, such as sharing URLs to launch web pages on the smartphone. The PN532 NFC RFID V3 Module offers a comprehensive suite of features and technical specifications, making it an excellent option for prototyping and developing NFC-based systems and applications.
3.7V lithium battery 2/3 series boost charging module, supports QC protocol, intelligent fast charging, commercial power lithium battery pack
Product Overview: The 3.7V Lithium Battery 2/3 Series Boost Charging Module with QC Protocol Support is an advanced charging solution engineered for the efficient and rapid charging of lithium battery-powered devices. This module elevates the voltage from a 3.7V input to meet the charging requirements of 2- or 3-cell lithium battery packs. It features integrated Quick Charge (QC) protocol compatibility, enabling the use of QC technology with supported devices to significantly reduce charging times while enhancing convenience. Key Specifications: - Input Voltage: 3.7V (ideal for single lithium battery input) - Output Voltage: Adjustable to suit 2- or 3-series lithium battery pack requirements - Output Current Capacity: Supports high output current (exact rating to be specified) - Charging Protocol: Enables fast charging via Quick Charge (QC) protocol - Efficiency Rating: High conversion efficiency for minimal energy loss during charging - Protection Features: Equipped with overcharge, over-discharge, overcurrent, short-circuit, and over-temperature protection to ensure operational safety - Operating Temperature: Suitable for standard charging temperature ranges (precise specifications required) - Physical Dimensions: Compact design to fit a variety of commercial applications (exact dimensions to be provided) - Additional Features: Smart charging control for optimized charging and battery lifespan extension Applications: This boost charging module is designed for commercial environments demanding efficient and rapid lithium battery pack charging. Typical applications include portable electronics, electric vehicles, energy storage systems, and industrial equipment, where reliable battery management and quick charging turnaround are essential. Features: - Automatic adjustment of charging parameters for 2- or 3-cell lithium battery configurations - Compliance with Quick Charge (QC) protocols, enabling intelligent fast charging for compatible devices and minimizing downtime - High conversion efficiency supporting energy-saving during charging cycles - Comprehensive multi-protection circuitry defends against electrical hazards, promoting battery longevity and user safety - Compact form factor for seamless integration into existing systems - Intelligent charging monitoring and management to optimize charging rates and sustain battery health over time In summary, the 3.7V Lithium Battery Boost Charging Module delivers a reliable, safe, and high-speed charging experience, with versatility for integration across a wide range of commercial lithium battery charging applications.
Voice-activated 5-second delay timer module, science project, voice-activated sensor mini desk lamp, voice-activated car model
Product Overview: The Voice Control Delay 5 Seconds Timing Module is a compact electronic component designed to enable voice-activated control across a variety of applications. Engineered to deliver a fixed 5-second delayed output following voice detection, it is particularly suitable for simple technological projects such as voice-activated lamps or model vehicles. The module seamlessly integrates sound detection elements with an internal timing circuit, offering versatile solutions for DIY enthusiasts and hobbyists. Key Specifications: - Control Method: Voice-activated (sound sensing) - Delay Duration: Fixed 5-second digital output triggered by voice detection - Voltage Requirements: Typically 3.3V to 5V DC - Current Consumption: Low standby current; output current dependent on load - Sensitivity: Adjustable microphone sensitivity to accommodate varying ambient noise conditions - Output Type: Digital output; suitable for direct interfacing with microcontrollers or relay modules - Sound Detection Range: Effective within an approximate radius of 3 to 5 meters - Status Indicator: Integrated LED indicator reflects voice detection and operational status - Dimensions: Compact footprint, approximately 30mm x 20mm x 15mm (L x W x H) - Operating Temperature: Standard range of -10°C to +70°C for consumer electronic components Applications: This voice control delay timing module is ideal for implementation in a broad array of DIY projects and educational kits, including but not limited to: - Voice-activated lighting, such as desk lamps or accent lights - Interactive toys or robotic systems responsive to sound commands - Educational models illustrating principles of voice control technology - Hands-free solutions for accessibility-related electronic devices - Prototyping simple automation and smart home concepts Features: The module is equipped with the following key features: - Integrated microphone for voice signal detection, featuring an adjustable sensitivity potentiometer to optimize performance based on environmental noise levels - Built-in timing function providing a consistent 5-second output delay upon signal activation, ensuring precise control and response - Digital output for straightforward connectivity to additional electronic systems, including microcontrollers (e.g., Arduino, Raspberry Pi), relay modules for AC load switching, and other digital circuits - Compact, breadboard-compatible design with clearly labeled pins or pads for power, ground, and signal output, simplifying integration into project assemblies - Dual LED indicators for clear visual feedback of both power status and voice signal detection, aiding in setup and diagnostics - Compliance with general electronic safety standards to promote safe, reliable use in hobbyist and educational contexts - Accompanied by comprehensive documentation or example code to assist users with module setup and integration
High-power lithium battery boost DC-DC power module, 5/9/12V, 10A current, 1MHz frequency
**Product Name:** TPS61088 High-Power Lithium Battery Boost DC-DC Power Module **Product Features:** - Employs the TI TPS61088 power management IC for stable output and minimal ripple. - Supports a switch current of up to 10A. - Features a switching frequency of approximately 1 MHz. - Offers two operational modes: PWM (default) and PFM (low power mode). - Fitted with high-quality tantalum capacitors (in adjustable versions) and high-current inductors. - Premium components ensure optimal module performance and reliability. - Maintains stable operation under high power output conditions, outperforming most conventional boost modules. **Operating Specifications:** - **Input Voltage:** DC 2.7–12V - **Input Current:** Up to 9A - **Output Current:** Dependent on input conditions; refer to calculation instructions. - **Output Voltage:** DC 4.5–12.6V - **Output Power:** Maximum 30W (requires sufficient heat dissipation) - **Switching Frequency:** Approx. 1MHz - **Operating Modes:** PWM / PFM - **Quiescent Current:** - PWM Mode: 15–65mA - PFM Mode: 200–600μA - **Output Ripple:** 30mVpp (no-load condition) - **Output Efficiency:** Up to 92% (maximum) **Adjustment Mechanism:** - Output voltage adjustable via potentiometer; rotate counterclockwise to increase voltage. - Selectable jumper pads allow for fixed outputs (5V, 9V, 12V) or adjustable (ADJ) operation. **Module Information:** - **Module Type:** Switched-mode power supply (boost converter) - **Terminals:** KF301-5.08 / pad - **Module Weight:** 10g / 5.4g - **Module Dimensions:** 40 × 22mm (manual measurement; slight deviations possible) - **VIN:** Positive power input, 2.7–12V - **GND:** Shared negative terminal for input/output - **VOUT:** Positive power output, 4.5–12.6V **Output Voltage Recommendation:** - Set the output voltage at least 2V above the input voltage to ensure the output does not exceed the target value. **Output Current Calculation:** - Output current is based on an assumed efficiency of 70%, calculated as follows: \(I_{out} = \frac{Vin \times 6.3}{Vout}\) **Heat Dissipation Notice:** - Adequate heat dissipation is mandatory for high-power use; with proper cooling, the module supports continuous output exceeding 50W. **EN Port Instructions:** - By default, EN is connected to VIN to enable boost mode. - Connecting EN to GND disables boost function; output voltage will be slightly less than input and still able to provide current. **Maximum Output Current Reference Table:** - **Input 3V / Output 5V:** Max 3.78A - **Input 4V / Output 5V:** Max 5.04A - **Input 3V / Output 9V:** Max 2.1A - **Input 5V / Output 9V:** Max 3.5A - **Input 4V / Output 9V:** Max 4.9A - **Input 5V / Output 5V:** Max 1.57A - **Input 5V / Output 5V:** Max 2.62A - **Input 7V / Output 12V:** Max 3.67A - **Input 9V / Output 12V:** Max 4.72A Ensure an adequately rated power supply and effective heat dissipation system are employed during high-power operation to maintain optimal module performance and service life.
Four-level air quality module VOC formaldehyde benzene detection module air quality detection sensor
Product Overview: The Four-Level Air Quality VOC Formaldehyde Benzene Detection Module ZP07 Air Quality Detector Probe is an advanced sensor module designed for the precise detection of volatile organic compounds (VOCs), formaldehyde (HCHO), and benzene (C6H6) concentrations in ambient environments. This module is essential for continuously monitoring indoor air quality to maintain a safe and healthy atmosphere across residential, commercial, and industrial settings. Its primary function is to deliver real-time measurements of hazardous chemicals present in the air, enabling immediate intervention when unsafe levels are identified. Key Specifications: - Detected Gases: VOCs, Formaldehyde (HCHO), Benzene (C6H6) - Measurement Range: 0–10 ppm for VOCs and benzene; 0–2 ppm for formaldehyde - Resolution: 0.01 ppm for VOCs and formaldehyde; 0.05 ppm for benzene - Response Time: ≤60 seconds - Output Signal: Digital (I2C, UART); Analog (0–5V or 0–10V) - Supply Voltage: 5V DC ±0.1V - Operating Current: <150 mA - Warm-up Time: Typically <3 minutes for standard operation - Operating Temperature Range: -10°C to 50°C - Operating Humidity Range: 15%–95% RH, non-condensing - Long-term Drift: <10% of full-scale range per year - Calibration: Factory calibrated; optional user calibration available - Dimensions: Standard size for air quality sensor modules Applications: This air quality sensor module is suitable for a wide range of applications, including but not limited to: - Smart home environments - HVAC management systems - Air purifiers and quality monitoring devices - Industrial air safety monitoring - Environmental monitoring stations - In-vehicle air quality applications Features: - High sensitivity and accuracy for detecting targeted harmful substances - Fast detection and rapid response provide timely alerts and interventions - Multiple output options enable flexible integration with various devices and systems - Low power consumption supports continuous monitoring - Robust construction allows reliable performance under varying temperature and humidity conditions - Pre-calibrated for straightforward deployment without the need for initial calibration - Compact form factor ensures easy installation in numerous devices and systems The Four-Level Air Quality VOC Formaldehyde Benzene Detection Module ZP07 Air Quality Detector Probe incorporates advanced sensor technology for dependable performance, making it ideal for users requiring proactive monitoring to uphold health and safety standards in diverse environments.
Compact HX711 Module / 24-bit Precision AD Module for Weighing Sensors, Pressure Sensors
Product Overview: The HX711 Small Form Factor Module / 24-bit Precision ADC for Weighing Sensors, developed by Shenzhen Panxing Tai Electronics Co., Ltd., is a high-precision analog-to-digital converter (ADC) board tailored for integration with electronic weighing systems. This module is engineered to operate effectively with pressure sensors, utilizing the HX711 chip at its core to deliver highly accurate data capture. Technical Specifications: - ADC Chip: HX711 - Resolution: 24-bit accuracy - Analog Inputs: Dual channels - Amplification: Integrated 128x programmable gain amplifier - Power Supply (VCC): Supports standard voltage ranges (exact value not specified) - I/O Interface: - E+ and E-: Excitation voltage for the sensor - A+ and A-: Channel A inputs - B+ and B-: Channel B inputs - DT (Data) and SCK (Serial Clock): Digital communication - GND: Ground - Operating Conditions: Designed for high-precision, cost-effective front-end sampling (specific environmental ranges not specified) - Manufacturer: Shenzhen Panxing Tai Electronics Co., Ltd. Key Features: - Delivers 24-bit high-precision for detailed weight and pressure measurement. - Dual-channel design enables concurrent signal acquisition from multiple sensors. - The onboard 128x amplifier significantly boosts sensor signals for reliable and accurate data acquisition. - Compatible with bridge voltage configurations, supporting versatility with various weight and pressure sensor types. - Compact form factor, as indicated by the "Small Volume" description, allowing seamless integration into diverse device platforms. - Clearly labeled pinout simplifies wiring and installation, facilitating ease of use in development and application projects. Applications: The HX711 Small Form Factor Module’s high resolution and robust functionality make it ideal for a wide variety of applications, including: - Industrial weighing scales - High-precision laboratory balances and weighing instruments - Inventory control systems - Force measurement and analysis devices - Interactive physical computing and prototyping projects - Custom pressure and load sensing solutions Renowned for its accuracy and application flexibility, this module is an excellent choice for developers and engineers seeking to optimize the performance and reliability of electronic weighing and pressure measurement systems.
pH Non-Refillable Electrode Probe pH Value Tester Acid-Base Sensor Collection Monitoring Module pH 0-14
pH Electrode Probe – Acid/Base Sensor Monitoring Module (pH 0-14) Product Features: - The pH electrode features a single-cylinder design, enabling direct connection to pH meters, controllers, or any device equipped with a BNC input terminal. - Provides precise and reliable pH measurements, supporting accurate verification of water quality. Technical Specifications: - Operating Voltage: 5±0.2V (AC/DC) - Operating Current: 5-10mA - Measurement Range: pH 0-14 - Temperature Detection Range: 0-80℃ - Response Time: ≤5 seconds - Stabilization Time: ≤60 seconds - Power Consumption: ≤0.5W - Operating Temperature: -10 to 50℃ (nominal temperature: 20℃) - Humidity: 95% RH (nominal humidity: 65% RH) - Module Dimensions: 42mm x 32mm x 20mm - Output: Analog voltage signal - Includes four M3 mounting holes Physical Characteristics: - pH Measurement Range: 0-14pH - Temperature Range: 0-60℃ - BNC connector compatible with most pH meters and controllers - Applications: Suitable for various environments, including aquariums, hydroponics, and laboratory use Difference Between Rechargeable and Non-Rechargeable pH Electrodes: - Rechargeable pH composite electrodes are equipped with a refill port, allowing the user to replenish the KCl solution when the external reference solution is depleted. - Non-rechargeable pH composite electrodes, such as the one described here, are pre-filled with a gel-type KCl solution, eliminating the need for a refill port and reducing maintenance requirements. Usage, Maintenance, and Care Instructions: - Prior to use, clean any white salt deposits from the electrode's exterior using deionized water, and ensure the internal solution level is above the sample's liquid surface. - After use, immerse the electrode in a designated storage solution or a temporary solution prepared by dissolving 1g KCl in 200mL of pH7 buffer. - Regularly verify electrode accuracy using a two-point calibration method, and clean the electrode as required. - If the liquid junction becomes obstructed, soaking the electrode in hot water or hot saturated KCl solution may resolve the issue. - When not in use, store the electrode appropriately to preserve its performance. Please note: Maintenance or storage solutions are not included with this product. Users are responsible for preparing these solutions according to recommended guidelines to ensure correct maintenance and optimal longevity of the electrode probe.
MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9, MQ-135 Gas Sensor Modules
Product Name: MQ Gas Sensor Modules (MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9, MQ-135) Product Features: - Set of nine gas sensor modules engineered for the detection of various gases - High sensitivity to a diverse range of gases, including but not limited to LPG, propane, hydrogen, carbon monoxide, alcohol, smoke, and indicators of air quality - Supports both analog and digital outputs for integration with microcontrollers and electronic systems - Delivers reliable and stable performance with extended operational lifespan - Each sensor within the series is specifically calibrated to detect a unique gas, providing enhanced application versatility Technical Specifications: - Operating Voltage Range: Typically 5V DC - Preheat Time: 20 seconds - Sensing Resistance: Variable, contingent upon gas type and concentration - Output: Analog and digital signals - Operating Temperature Range: Generally -10°C to +50°C, subject to sensor type Physical Characteristics: - Board Dimensions: Standardized across the MQ sensor series for streamlined integration - Mounting: Through-hole points available for secure and stable installation Performance Details: - Sensitivity levels are tailored across individual sensors for optimal gas detection accuracy - Offers rapid response and recovery times - Each module incorporates a potentiometer to fine-tune sensitivity for specific applications The MQ series of gas sensor modules are ideally suited for gas leakage detection in both consumer and industrial sectors, as well as for air quality monitoring devices. Their quick response times and high sensitivity establish them as essential components in environmental safety systems.