Electronics

The Waveshare TCS34725 is a compact color sensor module that measures RGB values and light intensity using an I2C interface, suitable for various electronic projects. This sensor works well in scenarios like color-based sorting systems or ambient light detection in DIY robotics, helping users identify and classify colors accurately without the need for complex setups. Features high sensitivity with an embedded ADC for reliable color detection across a wide dynamic range. Utilizes I2C communication, requiring minimal pins for integration with microcontrollers. Includes an IR blocking filter to reduce interference and ensure precise RGB output. Provides light intensity data similar to human eye perception, with programmable interrupt thresholds. Offers an onboard LED for adjustable fill-light, aiding in low-light conditions. Compatible with 3.3V/5V systems, making it versatile for different project environments. With dimensions of 27mm x 20mm, it fits neatly into space-constrained designs and is ideal for developers using platforms like Arduino or Raspberry Pi for color sensing applications.

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The Waveshare MQ-7 sensor is a compact device for detecting carbon monoxide in various settings. It measures gas concentrations and provides reliable output signals for monitoring purposes. In practical use, this sensor can be integrated into microcontroller-based projects, such as building a simple CO monitor for indoor air quality checks or alerting systems in workshops, helping users identify potential gas buildup early. Sensitive to carbon monoxide with adjustable sensitivity for tailored detection thresholds. Analog and digital outputs for versatile connectivity with microcontrollers like Arduino. Fast response and recovery times to quickly detect and clear gas level changes. Operates on a 2.5V to 5.0V power supply, making it compatible with common electronics setups. Includes a signal output indicator for visual feedback during operation. Compact dimensions of 40.0mm x 21.0mm with 2.0mm mounting holes for easy installation in tight spaces. Light specifications include a simple 4-pin connector for straightforward wiring. This sensor fits well for electronics enthusiasts, students, or developers needing an affordable option for CO detection in DIY or educational projects.

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This dust sensor is designed for detecting fine airborne particles, such as those from cigarette smoke, to help monitor air quality in various settings. In practical use, it's suitable for projects like building a PM2.5 detector or integrating into air purifiers, where it provides real-time particle level readings to inform adjustments and improve indoor environments. Detects particles larger than 0.8μm for precise air quality assessment Features low power consumption at a maximum of 20mA, making it efficient for battery-powered devices Offers analog voltage output that correlates linearly with dust density for easy data interpretation Includes an embedded voltage boost circuit, supporting a wide power supply range of 2.5V to 5.5V Compact size of 63.2mm x 41.3mm x 21.1mm for versatile installation in tight spaces Compatible with microcontrollers via simple analog and digital pins Light specifications include a sensitivity of 0.5V per 100ug/m3 and a measurement range up to 500ug/m3. This sensor fits well for hobbyists, environmental enthusiasts, and developers seeking reliable air monitoring solutions.

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The Waveshare Sound Sensor is a compact module for detecting ambient sounds and handling audio tasks, equipped with an onboard LM386 amplifier for reliable signal processing. In practical applications, this sensor helps in monitoring environmental noise levels or triggering actions based on sound detection, such as in smart home setups or DIY electronics projects when connected to microcontrollers like Arduino. Onboard LM386 amplifier provides up to 200x signal gain for clear audio output Adjustable accuracy allows fine-tuning for specific sensitivity needs Analog and digital outputs for versatile integration with microcontrollers Supports 3.3V to 5.3V power supply, making it compatible with common development boards Includes a 4-pin jumper wire for easy connections 52dB microphone sensitivity and 50Hz to 20KHz frequency range for broad sound detection 2.0mm mounting holes for secure installation in projects This sensor fits well for hobbyists and developers working on audio-based applications, offering straightforward setup for ambient monitoring without requiring advanced expertise.

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The Waveshare Capacitive Fingerprint Reader is a compact module designed for secure identity verification in various applications. It uses an STM32F105 processor and a semiconductor sensor to handle fingerprint enrollment, matching, and storage efficiently. In everyday use, this reader suits projects like access control systems or secure device logins, where quick and reliable fingerprint checks are needed. It integrates easily with microcontrollers, allowing developers to add biometric security without delving into complex algorithms. Operates via simple commands, making it accessible for beginners and experts alike Employs a commercial fingerprint algorithm for stable and fast verification Features touch-sensitive detection for effortless fingerprint capture Supports dual communication options: UART or USB for flexible connectivity Includes low-power sleep mode to conserve energy during idle times Provides fingerprint image and feature file handling for advanced customization With included development resources, it's a practical choice for hobbyists and professionals working on embedded systems, ensuring compatibility with platforms like Raspberry Pi or Arduino.

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The Waveshare UART Optical Fingerprint Reader is a compact module for biometric security, featuring an onboard STM32F205 processor and a high-accuracy optical sensor for reliable fingerprint processing. In practical use, this reader suits developers building secure access systems, such as door locks or user authentication in IoT projects, allowing seamless integration via UART for quick and stable identification without complex setup. Onboard STM32F205 processor for efficient fingerprint matching and searching Commercial algorithm supports fast identification with high stability Divided structure separates sensor from processing circuit for flexible design Open UART protocol enables control from any compatible microcontroller Standard 16-pin interface allows sensor customization Provides functions like image processing and template storage for secondary development Key specifications include a 6-pin connector for easy wiring. This module fits well in embedded projects needing secure, fingerprint-based access for hobbyists and engineers alike.

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The OV5640 Camera Board features a 5-megapixel sensor and a fisheye lens, designed for capturing wide-angle shots with a 170-degree field of view. This module is compact and compatible with various embedded systems, making it a practical choice for imaging applications. In use, this camera board suits scenarios like surveillance systems or DIY robotics, where a broad perspective helps monitor environments efficiently or create panoramic images without needing multiple devices. 5-megapixel resolution (2592x1944) for clear, detailed captures OV5640 sensor with features like automatic exposure control and low-noise performance Fisheye lens: 1/4-inch CCD, 2.0mm focal length, and F2.5 aperture for wide-angle distortion Multiple output formats including YUV, RGB, and compressed data for flexible integration DVP 8-bit data interface and SCCB control for easy connectivity Operates at 3.3V with compact dimensions of 35.70mm x 23.90mm This board fits well for developers and hobbyists working on projects that require reliable wide-angle imaging, such as custom cameras or IoT devices.

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The Waveshare Camera Module offers a straightforward solution for image capture in various projects, featuring a 5-megapixel sensor for clear, detailed photos and videos. This module suits makers and developers working on DIY electronics, such as Raspberry Pi setups or simple surveillance systems, where reliable image quality helps in tasks like object detection or time-lapse photography without needing complex equipment. 5-megapixel OV5640 sensor with 2592x1944 resolution for sharp images in different lighting conditions Automatic features like AEC, AWB, and ABF to simplify exposure and color adjustments Compact lens with 2.8mm focal length and 63-degree diagonal field of view for versatile close-range capture Multiple output formats including YUV, RGB, and RAW for flexible integration with various devices Operates at 3.3V with SCCB control and DVP data interfaces for easy compatibility in embedded systems Dimensions of 35.70mm x 23.90mm, making it ideal for space-constrained projects This camera module fits well in educational, hobbyist, or prototyping scenarios, providing essential imaging capabilities for those building custom devices.

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The Waveshare Raspberry Pi Fisheye Camera Module offers a practical solution for expanding vision in Raspberry Pi projects. It features a wide-angle lens and night vision capabilities, making it suitable for various DIY applications. In scenarios like home security setups or robotics experiments, this module captures broader scenes and performs well in low-light environments, helping users monitor or record effectively without needing additional lighting. 5-megapixel OV5647 sensor for clear 1080p resolution 160-degree diagonal field of view, wider than standard cameras for comprehensive coverage Built-in infrared LED to enable night vision functionality Adjustable focus distance for fine-tuning image clarity Compact size of 25mm x 24mm with four screw holes for easy mounting Compatible with all Raspberry Pi revisions, though a specific cable may be required for Pi Zero models These specifications make it a solid fit for makers and enthusiasts seeking reliable imaging tools for their Raspberry Pi endeavors.

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The Waveshare 5 Megapixel Fixed-Focus Camera offers a reliable imaging solution for Raspberry Pi enthusiasts. It features a 5MP sensor compatible with all Raspberry Pi revisions, making it a straightforward addition to various projects. For hobbyists and developers, this camera works well in applications like home monitoring, robotics, or educational coding exercises, where high-resolution photos and smooth video recording are essential without needing complex adjustments. 5MP OV5647 sensor with fixed-focus for sharp images up to 2592 x 1944 resolution Supports video at 1080p 30fps, 720p 60fps, and 640x480p up to 90fps for versatile capture options Compact dimensions of 25mm x 24mm x 9mm, ideal for space-limited setups 1/4-inch CCD size with a 66-degree diagonal field of view for adequate coverage Includes a 15-pin FFC cable for easy connection Note: Requires a specific cable for Raspberry Pi Zero models This camera fits into a range of DIY electronics projects, providing consistent performance for users seeking affordable, plug-and-play imaging capabilities.

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The Waveshare 2.7inch E-Ink HAT offers a low-power display solution for Raspberry Pi projects, featuring a 264x176 resolution and SPI interface for easy integration. This display suits applications like electronic shelf labels or industrial instruments, where ultra-low power consumption allows content to remain visible even after power is removed, making it ideal for battery-operated or remote setups. Ultra-low power usage, with power needed only for refreshing the screen No backlight required, enabling clear viewing in various lighting conditions Compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W and other boards via SPI Onboard 4 keys for basic input control Includes development resources for Raspberry Pi, Arduino, and STM32 Compact size of 85mm x 56mm with black and white display options Key specs include a 6-second full refresh time and over 170-degree viewing angle. This HAT fits makers and developers seeking energy-efficient, persistent displays for static information needs.

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The Waveshare 4.2 inch E-Ink display offers a clear, energy-efficient option for static visual applications. With a 400x300 resolution and embedded controller, it uses an SPI interface for easy integration. In retail settings, this display serves as an effective shelf label, showing product details without constant power draw. It maintains visibility even when powered off, making it practical for low-maintenance environments like stores or industrial panels. No backlight required, allowing images to persist without electricity for extended periods Ultra-low power use, ideal for battery-operated devices with power needed only for updates SPI interface ensures compatibility with boards like Raspberry Pi, Arduino, and similar microcontrollers Onboard voltage translator supports 3.3V or 5V systems for versatile connectivity Includes basic development resources, such as example code for common platforms Compact design with a viewing angle over 170 degrees for wide readability Key specs include a display size of 84.8mm x 63.6mm and typical refresh time of 4 seconds. This module fits well for developers and makers seeking reliable, low-power display solutions for signage or instrumentation projects.

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The Waveshare 0.96 inch OLED display offers a reliable option for electronic projects, featuring the SSD1306 driver for straightforward integration. In practical scenarios, this display works well for showing real-time data in IoT devices, wearable tech, or microcontroller-based prototypes, helping users monitor variables like temperature or status updates with clear visibility. Compact 0.96-inch size with 128x64 resolution for sharp text and graphics Supports multiple interfaces: 3-wire SPI, 4-wire SPI, and I2C for versatile compatibility with various boards Color configuration with a 1/4 yellow and 3/4 blue section for basic color differentiation in displays Wide viewing angle over 160 degrees, suitable for different orientations Operates on 3.3V or 5V, accommodating common project power sources Handles temperatures from -30°C to 70°C, ensuring performance in varied environments This display fits projects requiring a small, energy-efficient screen, making it a practical choice for electronics enthusiasts and students building custom devices.

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The Waveshare 1.3 inch blue OLED display provides a compact screen option for various electronic projects. This display works well in scenarios like building custom interfaces for microcontrollers, such as Arduino or Raspberry Pi setups, where you need a clear, energy-efficient visual element for data display or user feedback in space-constrained devices. Resolution of 128x64 pixels for sharp text and graphics Supports multiple interfaces including 3-wire SPI, 4-wire SPI, and I2C for versatile connectivity Blue monochrome color with a wide viewing angle greater than 160 degrees for better visibility Compact dimensions of 40.50mm x 37.50mm, making it easy to integrate into small projects Operates reliably in temperatures from -30°C to 70°C, suitable for diverse environments Storage temperature range of -30°C to 80°C for safe handling and transport This display fits the needs of electronics enthusiasts, students, and developers seeking a dependable, low-power screen for prototyping and innovation.

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This Waveshare 1.3 inch blue OLED display provides a reliable option for electronics enthusiasts and developers working on compact projects. Use it in scenarios like prototyping wearable devices, IoT sensors, or embedded systems, where you need a clear, energy-efficient screen to show real-time data such as sensor readings or menus, all while fitting into tight spaces. Resolution of 128x64 pixels for sharp, detailed visuals Supports multiple interfaces including 3-wire SPI, 4-wire SPI, and I2C for easy integration with microcontrollers like Arduino or Raspberry Pi 1.3 inch display size with dimensions of 40.50mm x 37.50mm, making it portable and space-saving Blue monochromatic color for high contrast in various lighting conditions Wide viewing angle greater than 160 degrees for better readability from different perspectives Operates effectively in temperatures from -30°C to 70°C, suitable for indoor and outdoor applications This display fits well in educational, hobbyist, or professional settings where durability and compatibility are key for successful project outcomes.

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The Waveshare 1.5 inch OLED display module provides a compact screen solution for electronic projects, featuring a 128x128 pixel resolution and white display color. In practical use, this module integrates easily into setups like Raspberry Pi or Arduino projects, allowing for clear visual feedback in applications such as data logging, user interfaces, or prototype development. 128x128 pixel resolution for detailed visuals, surpassing common 128x64 options 16 gray scale levels to enhance image quality and readability Supports SPI or I2C interfaces, selectable via onboard resistor for flexible connectivity Wide viewing angle greater than 160 degrees for better visibility from various angles Operates on 3.3V or 5V, making it compatible with a range of microcontrollers and boards Compact dimensions of 44.5 x 37 mm, ideal for space-constrained designs This module fits well in educational, hobbyist, or professional electronics work, offering reliable performance for tasks requiring a small, high-resolution display.

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The Waveshare 1.5 inch RGB OLED display module is a compact screen designed for electronics enthusiasts and developers. It features a 128x128 pixel resolution with 16-bit color support, delivering clear and vibrant visuals for various projects. This module suits applications like wearable devices, IoT prototypes, or custom interfaces. For instance, it can display real-time data on a Raspberry Pi-based weather station, thanks to its easy SPI connectivity and included development resources. 128x128 resolution with 65K colors for detailed, colorful graphics Supports 4-wire or 3-wire SPI interface, selectable via onboard resistor for flexible integration Embedded SSD1351 driver ensures reliable performance with 3.3V or 5V operation Wide viewing angle over 160 degrees for better visibility from different angles Compact dimensions of 44.5 x 37 mm, ideal for space-constrained designs Includes development examples for Raspberry Pi, Arduino, and STM32 to speed up prototyping Light specifications: Operates at 3.3V or 5V, with a standard PH2.0 connector for straightforward setup. This module fits well in hands-on projects for those with basic electronics knowledge, offering practical tools for creating functional displays.

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The Waveshare 4G HAT is a compact module that adds 4G connectivity and GNSS positioning to Raspberry Pi boards, using the SIM7600A-H chip for reliable internet access in North America. This module suits projects needing remote communication, such as IoT devices for environmental monitoring or vehicle tracking, where it provides stable data transfer and location services without complex setup. Compatible with Raspberry Pi Zero, 2B, 3B, and 3B+, offering easy integration via USB or UART. Supports 4G LTE CAT4 for up to 150Mbps downlink, plus 3G and 2G fallback for broader coverage. Includes GPS, BeiDou, and Glonass positioning for accurate location tracking in applications like asset management. Features an onboard SIM card slot, audio jack for calls, and LED indicators for status monitoring. Adjustable baudrate up to 4Mbps and AT command control for flexible programming. Low power consumption design, ideal for battery-powered setups. Best for makers and developers working on wireless projects, this HAT fits into scenarios requiring dependable, region-specific connectivity with minimal additional hardware.

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This HD digital microscope offers a clear view for detailed observation tasks, featuring a built-in screen for immediate results without needing a computer. Ideal for everyday use, such as examining skin for imperfections, inspecting fruits for freshness, or studying plants and gemstones up close, it allows users to capture and review images or videos on the spot. 2.0-inch IPS color screen for sharp, vibrant display Adjustable bracket for easy height and angle adjustments 8 built-in LED lights to illuminate subjects evenly Image resolutions up to 5M and video up to 1080P for detailed captures Type-C interface and USB charging for convenient connectivity and power Photo and video recording functions to document observations Compact design that doubles as an observation tool and alarm clock Light specifications include 1920x1080P resolution and compatibility with computers for shared viewing. This microscope fits well for hobbyists, students, or anyone needing portable, precise inspection tools.

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The Waveshare Multi-GNSS HAT is a compact module for Raspberry Pi that supports multiple global navigation satellite systems, including GPS, BDS, and QZSS, to provide reliable positioning data. This HAT suits various applications like vehicle or asset tracking, where accurate location information is needed for projects in security systems, industrial PDAs, or GIS mapping, helping users achieve precise coordinates with minimal setup. Supports GPS, BDS, and QZSS for broader satellite coverage and faster positioning. Features low power consumption and intelligent modes like AlwaysLocate for extended battery life in mobile setups. Includes UART communication with adjustable baud rates and status LEDs for easy monitoring. Onboard battery holder preserves ephemeris for quick hot starts, reducing time to first fix. Compact design with dimensions of 65mm x 30.5mm, compatible with Raspberry Pi via GPIO connector. Light specifications include a 5V/3.3V power supply and operating temperatures from -40°C to 85°C. It fits well for developers and hobbyists integrating positioning into Raspberry Pi-based prototypes for IoT or robotics applications.

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This handheld digital microscope is designed for children's daily exploration, featuring 500X magnification and a 2-megapixel sensor for clear, detailed views of small objects like insects or coins. In everyday use, it's perfect for young learners during science projects or outdoor adventures, allowing them to capture photos and videos directly on its built-in screen without relying on a computer or complex setup. 2-inch IPS HD screen for vivid, color-accurate display of magnified images Eight built-in LED lights to illuminate subjects in low-light conditions Ergonomic ABS plastic body measuring 11.7x6.6x2.35cm for comfortable, fatigue-free handling Fixed focus at 0mm for straightforward, no-fuss operation 400mAh rechargeable battery with Type-C charging, offering up to 1.5 hours of use Supports JPG images and AVI videos for easy saving and sharing Light specifications include 2 million pixel CMOS and compatibility with various applications like plant observation or circuit inspection. This tool fits well for children aged 6+, helping them engage with science in a practical, hands-on manner.

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The Waveshare NB-IoT HAT is a compact expansion board for Raspberry Pi, designed for narrowband Internet of Things (NB-IoT) applications. It uses the SIM7020E module to enable wireless communication in regions like Europe and Asia, supporting specific LTE bands such as B1, B3, B5, B8, B20, and B28. For IoT projects like remote monitoring or asset tracking, this HAT provides reliable, low-power connectivity. It allows developers to send and receive data efficiently, ideal for scenarios requiring long battery life and wide coverage, such as smart meters or environmental sensors. Compatible with all Raspberry Pi models via serial AT commands Supports protocols including LWM2M, COAP, MQTT, TCP, UDP, HTTP, and HTTPS Features a USB interface for power or debugging, and breakout UART pins for other host boards Includes a SIM card slot and LED indicators for status monitoring Adjustable baudrate from 300bps to 921600bps, with onboard voltage translator for 3.3V or 5V logic Compact size of 30.5mm x 65.0mm, consuming around 18mA in idle mode This HAT fits well into DIY electronics projects for hobbyists and professionals needing efficient wireless solutions, ensuring compatibility with local NB-IoT networks.

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This handheld digital microscope offers a practical tool for examining fine details in everyday tasks. With its compact design, it allows users to capture and view magnified images and videos directly on a built-in screen. In scenarios like inspecting electronic components, reading small print on medications, or studying plant structures, this device provides clear visibility without needing additional equipment. Features a 2.0-inch IPS HD screen with 2 million pixels for sharp, color-accurate viewing up to 500X magnification. Includes 8 adjustable LED lights to illuminate subjects in low-light conditions. Ergonomic ABS construction, measuring 11.2x5.8x2cm and weighing just 57g, for comfortable handheld use. Supports photo and video recording in JPG and AVI formats, with fixed focus for straightforward operation. Built-in 600mAh rechargeable battery offers up to 1.5 hours of use per charge via Type-C interface. Compatible with TF cards up to 64G for expanded storage (card not included). This microscope fits well for hobbyists, students, or professionals needing portable, reliable magnification for detailed inspections.

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The Waveshare Raspberry Pi HAT enhances your projects with wireless capabilities via the SIM868 module, supporting GSM, GPRS, GNSS, and Bluetooth connectivity. This HAT suits scenarios like IoT devices for remote monitoring, where it enables sending SMS, making calls, or tracking locations, all integrated seamlessly with your Raspberry Pi for data transfer and positioning tasks. Compatible with Raspberry Pi 2B, 3B, 3B+, Zero, and Zero W for easy plug-and-play setup Supports SMS, calls, GPRS for internet access, and GNSS for global positioning Features Bluetooth 3.0 for data transfer and onboard LEDs for status monitoring Includes a USB-to-UART converter for straightforward debugging Offers RTC with battery backup for timekeeping in disconnected environments Control via standard AT commands with baudrate auto-detection for reliable communication With dimensions of 30.2mm x 65mm, it's compact and fits well in space-limited setups. This HAT is a practical choice for developers building wireless-enabled prototypes or applications requiring multi-network support.

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