DIY Parts & Components

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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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 Infrared Sensor serves as a reliable reflective transceiver for robot navigation and path tracking tasks. In practical use, this sensor helps detect lines or obstacles in DIY robotics projects, such as guiding an autonomous car around barriers or counting items in a pipeline setup. It integrates easily with microcontrollers for accurate signal processing. Reflective infrared design with adjustable sensitivity to fine-tune detection ranges Features the LM393 voltage comparator for stable analog and digital outputs Compact dimensions of 25mm x 15.9mm with 2.0mm mounting holes for easy installation Operates on a 3.0V to 5.3V power supply, suitable for battery-powered devices Includes a 4-pin custom connector jumper wire for straightforward wiring Signal output indicator for visual feedback during testing This sensor fits well in educational robotics, hobbyist builds, or simple automation systems where precise environmental detection is needed.

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The Waveshare DHT22 is a calibrated digital sensor module designed for monitoring ambient temperature and humidity. It uses the DHT22 (AM2302) chip to deliver reliable readings through a simple single-wire interface. In practical applications, this sensor suits projects like building a weather station or developing a humidity controller. Connect it to a microcontroller for real-time data collection, helping users track environmental conditions accurately in homes, greenhouses, or industrial settings. Measures temperature from -40°C to 80°C with 0.1°C resolution and +/-0.5°C accuracy. Detects humidity from 0% to 99.9%RH with 0.1%RH resolution and +/-2%RH accuracy at 25°C. Operates on a voltage range of 3.3V to 5.5V, ensuring compatibility with common development boards like Arduino. Features a straightforward three-pin connection: VCC, GND, and DOUT for easy integration. Provides higher precision and wider range compared to basic sensors, making it suitable for detailed monitoring tasks. Supports various uses, such as in test and detection devices for environmental analysis. This sensor fits well for hobbyists, educators, and engineers working on IoT or automation projects where precise environmental data is essential.

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The Waveshare Soil Moisture Sensor is a practical tool for monitoring soil conditions in gardening setups. It features a fork-like design that simplifies insertion into the soil, helping users track moisture levels accurately. This sensor works well in automated watering systems, where it detects soil moisture to prevent over or under-watering. For example, connect it to a microcontroller to trigger irrigation when soil dries out, making it ideal for maintaining healthy plants in gardens or potted setups. Fork-shaped probe for easy and non-disruptive soil insertion, up to 38mm depth Analog output that varies with moisture, allowing for precise readings Compact size of 20.0mm x 51.0mm with mounting holes for secure installation Operates on a wide power range of 2.0V to 5.0V, compatible with common microcontrollers Includes a 3-pin connector wire for straightforward setup Supports applications like automatic watering and plant moisture monitoring Key specs include a detection depth of 38mm and simple pin connections (VCC, GND, DOUT). This sensor fits gardeners and hobbyists looking for reliable, basic moisture detection in small-scale setups.

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The Waveshare Digital Sensor for Measuring Temperature and Humidity Levels is a compact DHT11 module designed for accurate environmental monitoring. It uses a calibrated onboard sensor to detect temperature and humidity via a simple single-wire interface, making it suitable for various electronic projects. In practical use, this sensor can be integrated into weather stations or humidity controllers to provide real-time data for home automation or environmental testing, helping users track conditions like indoor climate without complex setups. Measures temperature from 0°C to 50°C with 1°C resolution and ±2°C accuracy Detects humidity between 20%RH and 90%RH at 25°C, with 1%RH resolution and ±5%RH accuracy Operates on a 3.3V to 5.5V power supply for compatibility with common microcontrollers like Arduino Features a straightforward three-pin connection (VCC, GND, DOUT) for easy wiring Includes a 3-pin custom connector jumper wire for immediate setup Compact design ideal for space-limited applications such as prototypes or embedded systems This sensor fits well for hobbyists, students, or developers needing reliable, basic environmental sensing in DIY projects, offering straightforward performance for everyday monitoring needs.

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The Waveshare BME280 Environmental Sensor offers reliable measurements of temperature, humidity, and barometric pressure for various projects. This sensor suits applications like environmental monitoring, weather data collection, or integrating into IoT devices, where accurate readings help track conditions such as indoor air quality or altitude changes in outdoor setups. Supports both I2C and SPI interfaces for flexible connectivity with microcontrollers Compatible with 3.3V and 5V systems, easing integration into different hardware Ultra-compact size of 27mm x 20mm, ideal for space-constrained designs Low power consumption under 0.1mA at 1Hz, extending battery life in portable projects Accurate sensing with resolutions like 0.01°C for temperature and 0.18Pa for pressure Includes a 20cm PH2.0 6PIN wire for straightforward setup Light specifications include humidity accuracy of +/-3% RH and operating range from -40°C to 85°C. This sensor fits well for developers and hobbyists building precise monitoring systems with Raspberry Pi, Arduino, or similar platforms.

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The Waveshare Rotation Sensor is designed to detect clockwise and anti-clockwise rotations, measuring degrees and laps for precise tracking in various applications. In industrial controls, this sensor helps with accurate positioning, such as monitoring machinery movements or integrating into automated systems for reliable performance monitoring. Detects rotations in both directions with pulse output for detailed measurement Provides 15 pulses per lap for consistent and granular tracking Supports a wide power range of 3.0V to 5.3V, compatible with common microcontrollers Compact dimensions of 32.1mm x 15.4mm with 2.0mm mounting holes for easy installation Simple interface with pins for status output, facilitating seamless integration With its straightforward design, this sensor fits well in DIY electronics, robotics, or industrial projects requiring dependable rotation detection and MCU compatibility.

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This Waveshare Metal Robot Arm Kit is designed for use with Micro:Bit boards, offering a hands-on way to build and control a 4-DOF robotic arm for educational projects. In a typical use case, students or hobbyists can assemble the kit and program the arm via Micro:Bit to perform tasks like picking up objects, making it ideal for exploring basic robotics and AI concepts through Bluetooth connectivity from a smartphone. Features a full aluminum alloy structure with sandblasting oxidation for durability and smooth operation. Includes a servo driver board compatible with Micro:Bit, supporting up to 16-channel PWM outputs for precise control. Comes with four metal gear servos (one MG996R and three MG90S) for reliable torque and movement. Easy assembly with provided screws and tools, plus extension wires for straightforward setup. Powered by a 5V 3A adapter, ensuring stable performance during extended use. Reserved I2C pins allow integration with other boards for expanded projects. Light specifications include a compact design with parts for a 4-DOF arm, fitting well for beginners in STEM education or DIY robotics enthusiasts seeking practical, expandable tools.

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The Waveshare 4-DOF Metal Robot Arm Kit offers a solid foundation for Raspberry Pi enthusiasts to explore robotics and automation basics. This kit includes essential components like a servo driver HAT, metal arm structure, and four metal gear servos, making it straightforward to assemble and integrate with your Raspberry Pi. For practical use, this robot arm kit enables hands-on experiments such as object manipulation in educational settings or simple automation tasks, controlled remotely via Bluetooth or WiFi for added convenience and flexibility. Compatible with Raspberry Pi models including Zero, 2B, 3B, and 3B+, using I2C for efficient servo control. Features a full aluminium alloy body with a sturdy base and mechanical grasper for durability and precise movements. Includes one MG996R and three MG90S servos, providing reliable torque for various applications. Equipped with a servo driver HAT that supports up to 16 channels and integrates a 5V regulator for stable power. Easy assembly with included screws, extension wires, and tools, reducing setup time for beginners. Offers reserved I2C pins for expanded connectivity with other boards. Light specifications: The arm measures compactly for desktop use, with servos delivering smooth, 12-bit resolution control. This kit fits well for students, hobbyists, and makers seeking an accessible entry into AI-driven robotics projects.

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The Waveshare Serial Flash Board is a compact module featuring the W25Q128JV serial NOR Flash memory, designed for reliable electronic data storage. It uses an SPI interface for seamless integration into various projects. This board suits developers and hobbyists working on embedded systems, such as prototyping with microcontrollers for data logging or firmware updates. For instance, it can store configuration data or program code in applications like IoT devices or industrial controls, helping manage memory needs efficiently. 128M-bit capacity (16M-byte) for ample storage of data and programs Supports Standard, Dual, and Quad SPI modes for flexible communication speeds up to 133MHz Compatible with STM32F7 series via Quad-SPI interface, easing development with provided library demos Operates in a wide voltage range of 2.7V to 3.6V and temperature from -40°C to +85°C for versatile environments Compact dimensions of 20.6mm x 38.9mm, ideal for space-constrained designs This module fits well in projects requiring non-volatile memory, offering straightforward integration for electronics enthusiasts and professionals alike.

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The Waveshare Micro SD Card Storage Board offers a straightforward way to integrate Micro SD card storage into your electronic projects. In practical scenarios, this board is useful for applications like data logging in microcontroller setups or adding expandable storage to DIY devices, helping manage files and data efficiently without complex wiring. Includes a Micro SD card slot for quick and secure card insertion. Supports both SDIO and SPI interfaces, allowing compatibility with various microcontrollers and protocols. Features 2.54mm pitch pinheaders for easy connection to breadboards or PCBs. Compact design that fits seamlessly into space-constrained projects. Provides reliable data access for tasks such as sensor data storage or media playback. Light specifications include support for standard Micro SD cards up to certain capacities, depending on your setup. This board fits well for electronics hobbyists, students, and makers seeking dependable storage solutions in their builds.

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The Waveshare 2.13 inch E-Ink display offers a practical option for Raspberry Pi users seeking a low-power screen solution. This HAT features a three-color display, making it suitable for clear, persistent visuals in various projects. In everyday use, it's ideal for applications like electronic shelf labels or industrial monitoring, where minimal power draw and wide viewing angles help maintain visibility without constant electricity. 212x104 resolution with red, black, and white colors for enhanced detail in three-color imaging. Ultra-low power consumption, drawing energy only during refreshes, which extends battery life in portable setups. Compatible with Raspberry Pi Zero, 2B, 3B, and 3B+ models, plus other boards via SPI interface. No backlight required, allowing the screen to retain images even when powered off. Onboard voltage translator supports 3.3V or 5V systems for easy integration. Compact dimensions of 65mm x 30.2mm, fitting neatly into small enclosures. Light specifications include a 15-second full refresh time and over 170-degree viewing angle. This display fits well for hobbyists and professionals in IoT or embedded systems needing reliable, energy-efficient visuals.

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The Waveshare 2.9inch Three-Color E-Ink Display Module offers a clear, energy-efficient way to show information on electronic devices. This module suits applications like shelf labeling, industrial gauges, or portable instruments, where low power use and persistent display are key, even after power loss. 296x128 resolution with red, black, and white colors for versatile, readable visuals. Ultra-low power consumption, ideal for battery-powered projects, as it only draws power during refreshes. SPI interface for easy integration with microcontrollers like Raspberry Pi, Arduino, or STM32. Compatible with 3.3V or 5V systems, with no backlight needed for a wide viewing angle over 170 degrees. Compact size of 89.5mm x 38mm, making it suitable for space-constrained designs. With a full refresh time of about 15 seconds, it provides reliable performance for static displays in educational, prototyping, or professional settings.

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The Waveshare 4.3 inch Electronic Paper Display Module is a compact e-ink screen designed for simple integration into various electronic projects, featuring a serial interface for easy control. This module works well for applications like e-books, point-of-sale systems, price tags, and industrial displays, where it provides clear visuals with minimal power draw, making it ideal for battery-operated or energy-efficient setups. 800x600 resolution for sharp text and images on a 4.3-inch screen Serial interface simplifies operation, requiring no complex programming for displaying graphics, texts, or images Embedded font libraries support English and GBK Chinese characters in various sizes Built-in 128MB storage for fonts and data, with options for external TF card use Supports 4 grey levels and adjustable baud rates for flexible compatibility Operates on 3.3V to 5V power, with ultra-low sleep current under 5mA Light specifications include its compatibility with common microcontrollers via serial pins, making it a practical choice for developers seeking a reliable, low-power display solution for text-based or static image needs.

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This universal e-Paper driver board enables wireless connectivity for e-Paper raw panels, allowing easy image display from devices like PCs or smartphones via WiFi or Bluetooth. Ideal for developers working on IoT projects or Arduino-based setups, it simplifies updating e-Paper displays remotely, such as in smart signs or environmental monitors, without needing direct connections. Onboard ESP32 chip for seamless Arduino development and wireless applications Supports WiFi (802.11b/g/n) and Bluetooth 4.2 for flexible image transfers from various devices Compatible with popular image formats like BMP, JPEG, GIF, and PNG, plus Floyd-Steinberg dithering for improved image quality Includes an Android app for Bluetooth updates and HTML code for web-based refreshes Open-source e-Paper driver and resources for easy integration and customization Compact size: 29.46mm x 48.25mm, with 5V operation and low power consumption (50mA to 150mA) This board fits well in wireless display projects for hobbyists and professionals seeking reliable, versatile e-Paper solutions without added complexity.

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The Waveshare 2.13 inch flexible e-ink display offers a compact, black-and-white screen for various electronic projects. Measuring 59.2mm x 29.2mm and just 0.3mm thick, it uses a flexible material that allows bending in the display area without damage. This display suits applications requiring a curved or compact setup, such as wearable devices, industrial instruments, or portable gadgets. It maintains visibility in different lighting conditions and consumes minimal power, making it ideal for battery-operated systems where frequent updates aren't needed. Flexible design for integration into non-flat surfaces 212x104 resolution with black-and-white contrast for clear text and images SPI interface for easy connection to microcontrollers like those in Raspberry Pi setups Ultra-low power use, drawing energy only during refreshes Supports partial refresh to update specific screen areas quickly No backlight required, allowing content to persist without power With its lightweight build and wide viewing angle over 170 degrees, this display fits well in projects needing durable, energy-efficient visuals.

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The Waveshare SX1262 LoRa HAT is a compact module designed for Raspberry Pi boards, facilitating long-range wireless data transmission at 868MHz. It uses LoRa technology to send data over distances up to 5km via serial port, making it a practical choice for various connectivity needs. In scenarios like smart home setups or industrial data monitoring, this HAT helps transmit sensor data reliably across large areas, even in environments with potential interference. It supports features like auto repeating for extended range and low-power modes for battery-operated devices. Standard 40PIN GPIO header for seamless integration with Raspberry Pi series Onboard USB to UART converter for easy debugging and configuration LoRa spread spectrum modulation for robust communication and up to 81 signal channels Low power consumption with options like deep sleep and Wake on Radio Customizable security key and LBT for improved data protection and transmission success LED indicators for monitoring status, such as RX/TX activity Light specifications include a frequency band of 850.125 to 930.125MHz and transmit power up to 22dBm. This HAT fits well for developers building IoT projects that demand efficient, long-range wireless solutions without excessive power draw.

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The Waveshare JetBot AI Kit is designed for DIY smart robot projects, utilizing a Jetson Nano developer kit to enable AI functionalities like facial recognition and object tracking. In everyday use, this kit suits hobbyists and students for building autonomous robots that can follow lines, avoid obstacles, or interact with environments, making it ideal for learning robotics and AI programming through hands-on projects. Powered by Jetson Nano with a front camera for real-time object detection and tracking. Includes a TB6612FNG motor driver and PCA9685 PWM controller for precise motor control. Features a 0.91-inch OLED display to show IP address, battery status, and other metrics. Equipped with ADS1115 for monitoring battery levels and integrated protection circuits for safe operation. Supports ROS nodes for easy integration with open-source robotics software. Accommodates 3x 18650 batteries (not included) for extended runtime. Key specifications include a weight of 1029g and compatibility with standard PC components for assembly. This kit fits those new to AI robotics, offering a practical platform to experiment and develop skills in smart device creation.

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The Waveshare JetBot AI Kit offers essential accessories for enhancing your Jetson Nano projects, including an expansion board, camera, motors, and more, all designed for building intelligent robots. For electronics enthusiasts or students, this kit supports creating AI-based robots that perform tasks like facial recognition and object tracking. It integrates with Jetson Nano for easy setup, allowing you to experiment with real-time applications and learn ROS concepts through provided open-source code. Expansion board with lithium battery protection for safe power management up to 12.6V. Built-in TB6612FNG motor driver for controlling dual motors reliably. Onboard 0.91-inch OLED display to show IP address, battery status, and system info. IMX219 camera for visual tasks like line following and collision avoidance. Wireless components for seamless connectivity and remote control. Real-time battery monitoring via ADS1115 chip. Light specifications include a weight of 773g and compatibility with US plug power adapters. This kit fits those exploring AI robotics, providing tools for practical development and testing.

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The Waveshare 10.3-inch flexible E-Ink display serves as a HAT for Raspberry Pi, featuring a bendable screen that withstands flexing without damage, making it suitable for innovative projects. This display is ideal for applications like e-book readers, industrial instruments, or portable devices, where low power use and clear visibility in various lighting conditions help extend battery life and ensure readability without constant power. Flexible e-Paper design that bends easily, thinner and lighter than traditional panels 1872 x 1404 resolution with black-and-white display, supporting partial refresh for efficient updates Multiple interfaces including USB, SPI, I80, and I2C for broad compatibility with Raspberry Pi and other host boards No backlight required, retaining content even when powered off to save energy Low power consumption with a full refresh in about 450ms and wide viewing angle over 170 degrees Compact dimensions of 227.7mm x 165.8mm x 0.647mm, weighing just 77g for easy integration Light specifications include a 5V operating voltage and 2-16 gray scale levels. This display fits makers and developers seeking a durable, energy-efficient option for e-ink projects.

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The Waveshare 15.6-inch Portable Touch Monitor provides a reliable external display option for devices like Raspberry Pi and others. With its 1920x1080 resolution and capacitive touch panel, it supports clear visuals and interactive use in various settings. For developers or travelers, this monitor serves as a convenient second screen. Pair it with a Raspberry Pi for coding projects, or connect to a laptop for extended workspace during remote work, enhancing productivity without needing a power outlet thanks to its built-in battery. 15.6-inch IPS screen with 178-degree viewing angle for wide-angle visibility Capacitive touch support on toughened glass, compatible with Windows and Linux systems without drivers Multiple connections including Type-C, HDMI, and USB for easy setup with PCs, phones, or game consoles 10000mAh battery offering 3-4 hours of use, ideal for mobile scenarios Built-in speakers and audio jacks for multimedia playback USB expansion port for adding peripherals like keyboards Light specifications include dimensions of 373.1x238.16x15 mm and a weight of 1772g, making it portable yet sturdy. This monitor fits well for tech hobbyists, students, or professionals seeking a versatile, battery-powered display solution.

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The Waveshare IMX219 camera offers a 160-degree field of view, making it a practical choice for various project needs. With an 8-megapixel sensor, it captures detailed images at 3280 x 2464 resolution, suitable for computer vision and AI applications. In everyday use, this camera works well for robotics projects, surveillance setups, or environmental monitoring, where a wide-angle lens helps cover more area without distortion, providing clear footage for analysis on compatible devices like the NVIDIA Jetson Nano Developer Kit. 8-megapixel IMX219 sensor for high-resolution imaging 160-degree diagonal field of view with less than 14.3% distortion Compact dimensions of 25mm x 24mm and lightweight at 15g for easy integration Includes 4 screw holes and a 15-pin FFC for secure mounting Features a 1/4-inch CMOS sensor, 2.35 aperture, and 3.15mm focal length Provides 3.3V power output for simplified connectivity This camera fits into hobbyist and professional projects requiring wide-angle capabilities and NVIDIA Jetson compatibility, offering reliable performance for capturing expansive scenes.

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The Waveshare Wide-Angle Infrared Camera offers low-light imaging capabilities for various tech projects. It features an 8-megapixel sensor and wide-angle lens, making it suitable for applications where visibility in dim conditions is essential. For developers and makers using NVIDIA Jetson Nano, this camera provides reliable performance in scenarios like robotic navigation or security monitoring, where infrared enhancement helps capture clear images in low-light settings. Compatible with NVIDIA Jetson Nano Developer Kit for seamless integration Supports night vision when paired with included infrared LEDs 8-megapixel IMX219 sensor with 3280 x 2464 resolution for detailed captures 160-degree diagonal angle of view with a 3.15mm focal length and F2.35 aperture Compact dimensions of 25mm x 24mm and lightweight at 31g for easy setup Includes 15-pin FFC and provisions for attaching infrared or fill flash LEDs Four screw holes for secure mounting in custom projects This camera fits well for tech enthusiasts and professionals needing a practical solution for embedded systems, offering straightforward compatibility and essential features for low-light imaging tasks.

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