DIY Parts & Components

The Waveshare IO Expansion Board, based on the MCP23017 chip, allows you to extend two I2C signal pins into 16 versatile input/output pins for your electronic projects. This board is helpful for microcontroller enthusiasts who need more I/O options, such as connecting additional sensors, buttons, or LEDs to devices like Raspberry Pi, Arduino, or STM32, without modifying the core hardware. I2C-controlled expansion from 2 to 16 I/O pins, supporting up to 8 boards for a total of 128 pins Configurable I2C address using onboard jumpers for flexible setup Multiple connection options, including PH2.0 terminals and solder pads for easy stacking Built-in voltage translator for seamless compatibility with 3.3V or 5V systems Includes development resources with examples for popular platforms With dimensions of 38mm x 23mm and 2.0mm mounting holes, it fits neatly into compact project enclosures. This expansion board suits users expanding capabilities in DIY electronics, offering practical solutions for pin-limited designs.

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This solar panel is designed for generating small-scale energy using 156 monocrystalline cells, making it a practical option for basic power needs. In everyday scenarios, it can charge batteries or power low-demand devices through a compatible solar power manager, such as during camping trips or as a home backup for essential gadgets, helping to reduce reliance on traditional electricity sources. Features 156 monocrystalline cells for efficient energy conversion in various lighting conditions. Equipped with a toughened glass surface and an anodic oxidation aluminum alloy frame for added durability and weather resistance. Includes a 0.25mm PET back board for lightweight protection. Delivers approximately 5.0W of power with an operating voltage of 6.0V and current up to 833mA. Works specifically with solar power managers for seamless integration and safe energy storage. This panel fits well for users seeking a compact, portable energy solution for outdoor or emergency use, with straightforward setup for reliable performance in standard conditions.

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This digital power amplifier board uses the TPA3116 chip to amplify audio signals for various projects and systems. It operates on a DC8-28V input, delivering reliable performance for DIY audio setups. For audio enthusiasts building custom speakers or home systems, this board simplifies integration. Connect it to a power source, an audio input like a phone or computer, and speakers to enhance sound output without complex wiring. Delivers up to 2 x 120W output power for dual-channel audio Supports output impedance from 4 to 8 ohms for compatibility with various speakers Compact size of 83x60x25mm and lightweight at about 65g, ideal for space-limited projects Wide input voltage range of DC8-28V allows flexibility with different power supplies Easy connections for audio input and output, suitable for beginners and experienced users Based on TPA3116 chip for efficient amplification with low distortion This board fits well in educational electronics projects, home audio modifications, or portable sound systems, providing a straightforward solution for clear audio amplification.

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The Waveshare 2.8 inch HDMI LCD display provides a compact screen option for compatible single-board computers and PCs. This display suits projects where a small, easy-to-integrate screen is needed, such as developing a Raspberry Pi-based interface for monitoring sensors or running retro games, helping users visualize data without bulky equipment. Compatible with all Raspberry Pi models, supporting OS like Raspberry Pi OS, Ubuntu, Kali, and WIN10 IoT Features driver-free USB-C touch for straightforward interaction Includes I2C touch option, requiring a configuration file for setup on supported devices Works with Jetson Nano and Windows 11/10/8.1/8/7, limited to USB-C touch Comes with HDMI cable, adapters, USB-A to USB-C cable, and screws for simple installation Key specs include a 2.8-inch screen size and HDMI connectivity. This product fits well for hobbyists and developers seeking a reliable, portable display for tech prototypes.

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The Waveshare Stepper Motor HAT is a compact expansion board for Raspberry Pi and compatible systems like Jetson Nano, designed to drive two stepper motors with ease. In robotics or DIY automation projects, this HAT helps achieve precise motor control for tasks such as building a 3D printer or controlling CNC machinery, by simplifying connections and configuration for reliable performance. Features dual HR8825 motor controllers for driving two stepper motors simultaneously Offers six microstepping modes selectable via DIP switches for smooth, accurate movement Allows adjustable drive current up to 2.5A per motor via onboard potentiometer Includes built-in protections like overcurrent, thermal shutdown, and undervoltage lockout Integrates a 5V regulator to power the Raspberry Pi from the same source Provides multiple connector options for various motor types Light specifications include a drive voltage of 8.2V to 28V and dimensions of 65mm x 56mm. This HAT fits seamlessly into Raspberry Pi setups for makers and engineers seeking dependable motor control solutions.

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The Waveshare 0.91 inch OLED display is a compact module designed for integrating visual elements into electronic projects. With its small footprint, it fits seamlessly into space-limited applications. This display works well in scenarios like DIY electronics, where you need to show data from microcontrollers such as Raspberry Pi, Arduino, or STM32. For instance, it can display sensor readings or status updates with just two I2C pins, reducing wiring complexity and saving board space. Compact 0.91 inch size for easy integration into tight spaces 128x32 pixel resolution for clear, readable text and graphics I2C interface that simplifies connections to compatible boards Supports 3.3V or 5V operation for versatility with different systems White display color with a viewing angle over 160 degrees for better visibility Includes development resources like manuals and examples Key specifications include dimensions of 36 x 12.5 mm and an SSD1306 driver. This module is a practical choice for hobbyists and developers seeking a reliable display for compact, I2C-based projects.

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The Waveshare Adapter enables seamless connection between a Raspberry Pi Zero 2W and Raspberry Pi 3B or 3B+ boards, using a simple pogo pin design for straightforward attachment. For users building compact projects that need expanded capabilities, this adapter adds essential ports and interfaces. It suits scenarios like developing IoT devices or network setups, where you require extra USB, audio, and Ethernet options without bulky additions. Pogo pin connection for easy, secure attachment of Zero 2W to 3B/3B+ boards Onboard headphone jack and speaker header for audio integration Four-channel USB ports supporting USB 2.0 and 1.1 for device connectivity Integrated RTL8152B Ethernet chip with one RJ45 port for 10/100 Mbps networking Package includes the adapter and an HDMI adapter for display connections Not compatible with the original Raspberry Pi Zero, ensuring precise fit for supported models This adapter fits well for electronics enthusiasts and developers seeking to enhance Raspberry Pi setups with added functionality and compatibility.

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The Waveshare Metal Enclosure offers a sturdy housing solution for the Raspberry Pi Compute Module 4, helping to protect your board in various projects. For users assembling a compact Raspberry Pi setup, such as in industrial environments or PoE-powered applications, this enclosure provides reliable protection against dust and aids in maintaining optimal temperatures through integrated ventilation. Robust metal construction for dust-proof durability Includes a 4010 PWM cooling fan to enhance heat dissipation Features a break-out 40PIN GPIO header for easy HAT connections Precise cut-outs aligned with connectors for straightforward access Comes with assembly tools like screws and a screwdriver Designed specifically for Compute Module 4 IO boards Light specifications: Constructed from metal, includes one fan; compatible with Raspberry Pi CM4 setups requiring a ventilated case. This enclosure suits hobbyists and developers working on custom projects where board protection and airflow are essential for reliable performance.

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The Waveshare LoRa HAT is a compact add-on for Raspberry Pi boards, utilizing the SX1268 module to support 433MHz frequency for long-range wireless communication. This HAT is useful for projects involving remote data transmission, such as monitoring sensors in industrial environments or setting up smart home networks, where reliable coverage up to 5km is needed without complex wiring. Based on SX1268 for extended range and interference resistance Features USB-to-UART converter for easy debugging Includes LED indicators for status monitoring Supports Wake on Radio and low-power modes for battery-operated devices Offers customizable communication keys for enhanced data security Compatible with Raspberry Pi, Arduino, and STM32 via UART interface Allows auto-repeating for improved signal in challenging terrains Basic specs include a frequency band of 410.125 to 493.125MHz and transmit power up to 22dBm. It fits well in IoT applications where efficient, long-distance communication is essential for developers and engineers.

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The Waveshare Barcode Scanner Module offers a compact solution for reading 1D and 2D codes on various surfaces, using intelligent image recognition for accurate results. This module suits applications like inventory management, point-of-sale systems, or embedded projects, where quick and reliable code scanning is needed. For instance, connect it via USB to a computer for easy barcode reading in retail environments, or use the UART interface to integrate it into custom devices for automated data capture. Decodes a wide range of 1D codes including Code 128 and UPC/EAN, plus 2D codes like QR and Data Matrix. Features onboard USB and UART interfaces for seamless connectivity with computers or embedded systems. Equipped with a built-in light source for operation in low-light conditions. Configurable via scanning codes, allowing easy customization without advanced setup. Compact size of 53.3mm x 21.4mm, making it ideal for space-constrained applications. Operates on 5V with low power consumption, suitable for battery-powered setups. With scan angles up to 360° roll and wide field of view, this module fits well for users in logistics, manufacturing, or DIY electronics who need precise, versatile code reading without complex programming.

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The Waveshare Gas Sensor detects alcohol and ethanol in the air, offering a reliable tool for various monitoring applications. It features an analog output that varies with gas concentration, making it suitable for precise measurements. In everyday use, this sensor works well for building car alcohol alarms to promote safer driving by detecting ethanol levels, or for DIY breathalyzers to monitor personal alcohol intake. It integrates easily with microcontrollers for projects involving air quality assessment. Sensitive to alcohol and ethanol, with output voltage that increases as gas levels rise Fast response and recovery times for real-time detection Adjustable sensitivity to fine-tune for different environments Provides both analog and digital outputs for flexible connectivity Compact design with mounting holes for straightforward installation Operates on a 2.5V to 5.0V power supply for broad compatibility This sensor fits projects for electronics enthusiasts, educators, or professionals needing accurate alcohol detection, with dimensions of 40.0mm by 21.0mm for space-efficient setups.

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This 4-way USB fast charging module is designed for efficiently powering multiple mobile devices at once, using protocols like QC 3.0 for compatible compatibility. In everyday scenarios, such as charging smartphones and tablets during travel or at a desk, it helps maintain device readiness without the need for multiple adapters. Supports QC 3.0 protocol on each of four ports for adaptive fast charging up to 12V Achieves up to 97% conversion efficiency to reduce energy waste Includes built-in protections for overcurrent, overvoltage, and short circuits for safer operation Automatically adjusts output voltage from 3V to 12V based on device needs Features a 220KHz switching frequency for stable performance Utilizes a compact FR-4 PCB with heat dissipation for reliable long-term use Key specs: Input range 4.5V-32V DC; total power up to 96W; requires voltage higher than output. This module suits users with multiple gadgets, offering a practical solution for streamlined charging setups.

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The Waveshare RP2040-LCD-0.96 is a compact microcontroller board based on the Raspberry Pi RP2040 chip, offering a balance of performance and versatility for electronic projects. This board is well-suited for creating portable devices, such as IoT sensors or wearable tech, where an integrated display and battery support allow for real-time data visualization and extended operation without external power. Dual-core Arm Cortex M0+ processor running up to 133 MHz for efficient multitasking Built-in 0.96-inch 160x80 pixel IPS LCD for clear, colorful visual feedback Onboard lithium battery header and high-efficiency DC-DC buck-boost chip for mobile applications 26 multi-function GPIO pins, including SPI, I2C, UART, and PWM channels for flexible connectivity 2MB of Flash memory and 264KB SRAM for ample storage and processing needs USB-C interface with drag-and-drop programming support for easy development With its castellated edges for direct soldering, this board fits seamlessly into custom projects for makers and developers seeking reliable, low-cost solutions in embedded systems.

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The Waveshare 5G Module offers reliable internet connectivity for various devices through its advanced 5G capabilities. It uses the 3GPP R16 standard and features the Qualcomm Snapdragon X62 chip, making it suitable for integration into projects requiring fast data transfer. For developers and engineers working on IoT devices, embedded systems, or mobile applications, this module provides a straightforward way to add high-speed 5G connectivity. It supports scenarios like real-time data streaming, remote monitoring, or upgrading legacy devices to handle modern network demands without complex setups. Supports 3GPP R16 5G standard for enhanced data rates Qualcomm Snapdragon X62 chip ensures efficient performance Compatible with Windows, Linux, and Android operating systems Offers multiple dialing options: RNDIS, NDIS, PPP, and MBIM Accepts 1.8V/2.95V SIM cards for easy network access Powered by 3.135-4.4V, with a standard M.2 interface for simple installation Compatible with AT commands from similar module series for seamless upgrades This module fits well in applications needing high-throughput communication, such as smart devices or industrial setups, where dependable connectivity is essential for everyday operations.

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The Waveshare Fisheye Camera Module enhances Raspberry Pi projects with its wide-angle lens, offering a broader perspective for various applications. For creators building surveillance systems, robotics, or environmental monitoring setups, this module captures more of the scene in a single frame, making it easier to detect motion or document wide areas without needing multiple cameras. 5-megapixel OV5647 sensor for clear 1080p resolution images and video. 160-degree diagonal field of view, wider than standard 72-degree cameras, ideal for expansive coverage. Adjustable focus distance to fine-tune for different project distances. Compact dimensions of 25mm x 24mm with 4 screw holes for secure mounting. Provides 3.3V power output and supports connecting a fill flash LED for better low-light performance. Compatible with all Raspberry Pi revisions, including Zero series (requires specific cable, sold separately). This module fits well into DIY electronics and educational projects where a wider visual range is needed, helping users achieve more comprehensive data capture.

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The Waveshare Raspberry Pi Camera Module offers reliable imaging for both day and night conditions, compatible with all Raspberry Pi revisions. This module suits various projects, such as home security setups or outdoor monitoring, where consistent performance in low-light environments is essential. It helps capture clear footage without color distortion, making it practical for hobbyists and developers tackling real-world applications like surveillance or time-lapse photography. 5-megapixel OV5647 sensor with adjustable focus for flexible shooting distances Removable IR-CUT filter to prevent color shifts in daylight Includes two infrared LED boards for effective night vision up to a reasonable range 4 screw holes and 3.3V power output for easy attachment and integration 15-pin FFC cable included, though a specific cable may be needed for Raspberry Pi Zero models Compact dimensions of 31mm x 32mm for space-efficient designs With its 1/4-inch CCD sensor, 8mm focal length, and 40-degree angle of view, this camera fits well into electronics projects requiring balanced day-night capabilities.

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The W5500 Ethernet network module offers a straightforward way to add internet connectivity to your devices without handling complex underlying code. For developers working on embedded systems or IoT projects, this module simplifies network integration. Use it to connect microcontrollers to the internet for applications like remote monitoring or data logging, reducing development time with its built-in TCP/IP protocol stack. Built-in 32K bytes on-chip buffer for efficient Ethernet packet processing. Supports 10/100 Mbps transfer rates and up to 8 independent ports simultaneously. Compatible with 3.3V or 5V power supplies and SPI communication up to 80MHz. Includes sleep mode with wake-up on LAN for energy efficiency. Supports key protocols like TCP, UDP, ICMP, IPv4, ARP, IGMP, and PPPoE. Provides source code examples for 51 and STM32 microcontrollers in various modes. With a compact size of about 55 x 28mm, it's ideal for space-constrained projects involving device networking.

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This device serves as a practical tool for vehicles, integrating a voltmeter to monitor battery voltage and a USB port for charging devices, all in a compact design. In everyday use, drivers can check their car's battery status in real-time while powering smartphones or other gadgets on the road, helping to prevent unexpected breakdowns and ensure devices stay charged during trips. Monitors a wide voltage range from DC 4.5 to 40V for compatibility with cars, motorcycles, and battery vehicles. Delivers stable 5V/2A USB output to charge various devices efficiently. Includes reverse connection protection to safeguard against wiring errors. Features over-current and over-temperature protection for reliable operation. Equipped with a USB power indicator and buttons for easy output control and low-power mode. Comes with wiring terminals for straightforward installation. With dimensions of 58x21x10mm and a lightweight 13g build, it's easy to install in tight spaces. This solution fits well for vehicle owners seeking a dependable way to track battery health and charge on the go.

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This compact USB fan speed regulator offers a simple way to adjust the speed of compatible USB fans, helping to manage airflow and noise levels in everyday environments. In a warm home office or during travel, it allows users to fine-tune fan speed for optimal comfort, such as reducing noise while maintaining adequate cooling from a power bank or computer USB port. Knob-based stepless speed adjustment for precise control of fan output. Wide input voltage range (DC 4-12V) compatible with standard USB power sources like chargers and power banks. Output voltage adjustable from DC 2.5-8V, supporting up to 5W power without overload. Compact size of 50x18mm for easy portability and integration into small spaces. Designed for common 5V USB fans, ensuring versatile compatibility. Simple plug-and-play setup with clear adjustment method. This regulator fits scenarios where customizable cooling is needed, such as personal workspaces or on-the-go use, providing reliable speed control for enhanced user experience.

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This DC-DC buck converter is designed for voltage regulation in electronic projects, offering adjustable output to meet varying power needs. For DIY enthusiasts and engineers, it's useful in scenarios like powering microcontrollers, LED strips, or motors from higher voltage sources, ensuring stable and efficient energy conversion without risking component damage. Features the XL4016 chip for reliable step-down conversion, with input up to 40V and adjustable output from 1.25V to 36V. Supports up to 8A load with 94% efficiency, making it suitable for moderate power applications. Includes over-current, short-circuit, and thermal shutdown protections for added safety. Operates at a fixed 180KHz frequency for low ripple and stable regulation. Compact size of 61x41x27mm for easy integration into projects. This module fits well in educational, prototyping, or hobbyist setups where precise voltage control is essential, helping maintain consistent performance in battery-powered or regulated systems.

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The Waveshare Driver-Free USB to Gigabit Ethernet Converter Module offers a straightforward way to add a wired network connection to devices without built-in Ethernet ports. This module uses a reliable Realtek controller for seamless integration. For users needing stable, high-speed internet, this converter is ideal for activities like online gaming, streaming HD content, or reliable remote work on laptops, desktops, or other compatible devices. It helps reduce wireless interference and provides consistent performance. Driver-free and plug-and-play setup for easy use with Windows 7/8/8.1/10, Mac, Linux, and Android systems Supports up to 1000Mbps data rates via USB 3.2 Gen1, with automatic downgrade for USB 2.0 ports Includes a 15cm USB cable for flexible connectivity Features status indicators for quick network status checks RJ45 Gigabit Ethernet port for secure, wired connections Compact design that fits various setups without adding bulk Light specifications include Realtek RTL8153 controller and compatibility with standard network protocols. This module suits anyone upgrading device connectivity for better speed and reliability in everyday or professional use.

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The Waveshare 2.9 inch e-Paper Touch Display Module offers a practical solution for adding a touch-enabled screen to your Raspberry Pi projects. This module features a 296x128 resolution display that uses e-Paper technology to mimic ink on paper, making it ideal for applications where persistent visibility is key. For developers working on low-power devices like portable sensors or IoT gadgets, this display helps conserve energy by only drawing power during refreshes and retaining images even when powered off. It's particularly useful in scenarios requiring minimal maintenance, such as outdoor monitoring systems or e-readers, where battery life and readability in various lighting conditions matter. 2.9-inch capacitive touch screen with 5-point multi-touch support for intuitive interactions. User-defined wakeup gestures to customize how the display activates, enhancing usability in custom applications. Ultra-low power consumption, ideal for battery-operated projects as it only needs power for content updates. SPI or I2C interface that uses few pins, simplifying integration with Raspberry Pi or similar microcontrollers. Includes development resources like C/C++ and MicroPython examples for Raspberry Pi Pico, aiding quick setup. With its compact size and touch capabilities, this module fits well into electronics projects for hobbyists and professionals seeking efficient, energy-saving display options.

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The Waveshare Eight Channel Relay Module is designed for Raspberry Pi projects, offering a reliable way to control multiple electrical devices through digital signals. This module integrates essential features for safe and efficient operation in various automation setups. In a typical use case, such as building a smart home system, this relay module allows you to switch lights, motors, or sensors using your Raspberry Pi, providing electrical isolation to protect your setup from potential voltage spikes or interference. Onboard power supply isolation for stable voltage without additional power needs Photocoupler isolation to shield against external high-voltage circuits High-quality relays rated for 10A at 250V AC or up to 10A at 30V DC ABS protective enclosure with rail-mount for easy and secure installation Breakout USB port and BOOT pin for straightforward debugging Includes PWR indicator, RGB LED, and passive buzzer for status feedback Light specifications include 5V operation, 8 channels via USB, and Micro USB interface. This module fits well for hobbyists and engineers working on IoT or automation projects, ensuring compatibility with Raspberry Pi Pico through provided examples.

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The Waveshare 7.5 inch e-paper display offers a practical option for Raspberry Pi enthusiasts and makers seeking an energy-efficient screen solution. This e-ink style display uses electrophoretic technology to show content clearly under natural or ambient light, making it ideal for projects where power conservation is key. For instance, it's well-suited for building portable devices like e-readers, digital signage, or IoT dashboards, as it retains images even when powered off, reducing the need for constant energy use. Features no backlight for ultra-low power consumption, drawing minimal current when idle. Supports SPI interface, using few pins for easy integration with Raspberry Pi boards. Includes two user buttons and a reset button for simple interaction without extra components. Displays in black, white, and red, with a resolution of 800x480 pixels for clear, readable output. Provides development resources like C/C++ and MicroPython examples to help beginners get started quickly. Measures 170.2 x 111.2 mm, with a viewing angle over 170 degrees for versatile visibility. This display fits projects requiring a paper-like, glare-free screen that operates at 3.3V, appealing to hobbyists and developers focused on low-power, long-lasting applications.

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