DIY Parts & Components

This 12V adjustable delay relay module offers precise timing control for various electronic applications, allowing users to set delays from 1 to 120 seconds. In everyday use, it's ideal for scenarios like delaying the power-up of a car dashboard camera after ignition or automating the shut-off of appliances to conserve energy, providing a simple way to manage timed operations without complex wiring. Adjustable delay time from 1 to 120 seconds, set via voltage measurement for accurate customization Supports 12V or 24V power supply with up to 10A current, and includes reverse polarity protection to safeguard against wiring errors Features a repeat trigger interface for easy re-triggering with a button, eliminating the need for power cycling Compact dimensions of 52.8x32x18mm, making it suitable for space-limited installations Easy adjustment process using a multimeter, with default settings for immediate use out of the box Enables repeated triggering without repowering, useful for ongoing tasks in vehicles or home setups This module fits well for hobbyists, automotive enthusiasts, or anyone needing reliable timing solutions in DIY projects or basic automation.

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The Waveshare Infrared Proximity Sensor is a compact device designed for detecting obstacles using infrared beams, suitable for various electronic projects. In practical scenarios, this sensor helps in robot navigation by identifying nearby objects, enabling path tracking or collision avoidance in controlled indoor environments, away from direct sunlight. Employs the LM393 comparator for reliable signal processing Offers adjustable sensitivity to fine-tune detection based on specific needs Operates on a voltage range of 3.3V to 5V for broad compatibility with microcontrollers Provides a detection range of 2cm to 30cm, varying by object color and surface Features a 35-degree detection angle for targeted sensing Includes a signal output indicator for easy monitoring With dimensions of 39mm by 15.5mm and 3mm mounting holes, it fits neatly into small-scale applications like DIY robots or automated systems for hobbyists and developers seeking precise obstacle detection solutions.

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The STM32 Development Board offers a straightforward entry into microcontroller projects, featuring the STM32F103C8T6 chip for reliable performance in basic electronics tasks. For beginners, this board supports hands-on learning by allowing easy programming of simple circuits, such as controlling an LED or testing sensor interfaces, to develop essential coding and hardware skills without complex setups. On-board SWD interface compatible with ST-LINK V2 for simple programming. Includes a test indicator LED to visually confirm code execution. Built-in 100mA 3.3V regulator for stable power supply. All GPIO pins are clearly marked and accessible for quick prototyping. Features 37 digital I/O pins and 10 analog input pins for versatile project options. Compact dimensions of 5.5 cm x 2.2 cm x 1.2 cm, made from durable PCB, alloy, and plastic in blue and yellow. This board fits well for novice electronics hobbyists seeking an affordable, user-friendly option to explore STM32 capabilities and advance their skills through practical experiments.

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The LM2596 Adjustable Step-Down Voltage Regulator with Voltmeter Display is a compact module for converting higher DC voltages to adjustable lower ones. This regulator suits various electronics tasks, like powering Arduino boards or charging batteries, where precise voltage adjustment and monitoring help prevent damage from fluctuations. Adjustable output voltage from 1.25V to 37V DC, with up to 2A current capacity Built-in voltmeter displays input or output voltage, switchable via a button for easy monitoring Includes input reverse polarity protection and output short circuit safeguards Thermal shutdown feature to avoid overheating during extended use Deep blue color with durable PCB and electronic components construction Compact dimensions of 6 cm x 3.5 cm x 1.4 cm, weighing just 21 grams for versatile integration Light specifications include an input range of 4-40V DC and a voltmeter accuracy of +/-0.1V. This module fits well for DIY enthusiasts and technicians needing reliable voltage regulation in their projects.

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The Landa Tianrui CAN Bus Interface Module is a compact tool for vehicle communication systems, utilizing the TJA1050 chipset to handle CAN bus protocols effectively. In practical scenarios, this module supports automotive projects like vehicle diagnostics, data monitoring, or custom interface development, allowing users to connect and test CAN networks with ease, such as integrating with engine control units for real-time data analysis. Onboard TJA1050 CAN controller chip for reliable data transmission LED indicators on common pins to simplify wiring and troubleshooting 5V power supply compatibility for straightforward integration into various setups Compact PCB design measuring 22mm x 11.5mm, made from durable blue material Lightweight at 5g, with dimensions of 2.2cm x 1.2cm x 0.5cm for easy installation Includes two modules per package for versatile use in multiple applications This module fits well for electronics enthusiasts, students, or engineers working on CAN bus projects, offering a straightforward solution for vehicle interfacing needs.

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The Landa Tianrui Precision Clock Module is a compact RTC (Real-Time Clock) board designed for microcontroller projects, compatible with Arduino and Raspberry Pi systems. In practical use, this module helps maintain accurate time in applications like data logging, IoT devices, or environmental monitoring, even in varying temperatures, by providing a stable clock source without needing additional power converters. Timing accuracy of +/-5ppm within -40°C to +85°C, ensuring reliable performance in diverse conditions. Battery backup for uninterrupted operation during power loss. Supports 3.3V and 5V systems directly, with full clock functions including alarms and a digital temperature sensor. Low-power consumption and high-speed I2C interface for easy integration. Reset button and outputs like 1Hz and 32.768kHz for flexible project needs. With dimensions of 2.2 cm x 1.2 cm x 0.5 cm and a black PCB material, it's a lightweight (5g) option for hobbyists and engineers seeking precise timing solutions in compact designs.

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This 433MHz wireless remote control duplicator allows you to copy signals from existing remotes for garage doors, gates, and home systems, making it a practical tool for everyday access management. In scenarios like losing a remote or needing duplicates for multiple users, it simplifies the process by cloning compatible signals quickly and accurately, without requiring advanced technical skills. Utilizes advanced IC programming to avoid accidental code erasure during setup Supports cloning of up to two signals from different remotes on its four-channel design Compatible with 99.99% of common fixed and learning code remotes, excluding rolling codes Includes pre-installed CR2016 batteries for immediate use Features a compact black plastic build for easy handling and portability Operates at 433MHz with a transmit range of 50-100 meters in open areas This remote suits homeowners or hobbyists seeking a reliable, user-friendly option for duplicating controls in standard setups.

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This 2.4GHz wireless transmission module, featuring NRF24L01P technology with PA and LNA, supports long-distance data sending and receiving in the ISM band. Ideal for DIY electronics projects, IoT setups, or remote monitoring systems, it helps extend wireless communication range for reliable data transfer in applications like sensor networks or point-to-point links, without needing complex wiring. Enhanced transmission up to 20dBm power for greater reach in open environments Compact size of 41mm x 15mm for easy integration into small devices Operates on 3.0-3.6V, with low current draw (115mA transmit peak, 45mA receive peak) for energy efficiency Includes an external antenna to improve signal stability and reduce interference Supports full two-way communication for versatile network configurations Power-down mode with minimal 4.2uA current to conserve battery life Light specifications: Works in the 2.4GHz band, compatible with microcontrollers for custom projects. This module fits well for makers and developers seeking dependable wireless solutions for everyday tech challenges.

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The 433MHz wireless transmitter and receiver kit provides a straightforward solution for wireless communication in remote control projects. This kit suits applications like remote-controlled switches, security systems, or garage doors, where reliable signal transmission is needed. It integrates easily with microcontrollers such as Arduino for DIY electronics, allowing users to send and receive data over short distances without complex wiring. Operates at 433.92MHz frequency for standard RF communication Receiver module: 5V DC operation, low quiescent current of 4mA, compact size of 30x14x7mm Transmitter module: Versatile 3.5-12V input, transmission range of 20-200 meters depending on environment, and 19x19mm form factor AM operating mode with a transfer rate up to 4KB/S and 10mW power output Simple pin configuration for easy setup: DATA, VCC, GND Includes one receiver and one transmitter module for immediate use Ideal for hobbyists or engineers needing a basic, compatible wireless link for prototyping or small-scale automation tasks.

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This dual USB power converter enables charging of two mobile devices at once from a DC source, offering a practical solution for on-the-go power needs. In scenarios like road trips or outdoor activities, it connects to your vehicle's power outlet, ensuring your phone and tablet stay charged without needing multiple adapters. Supports dual USB outputs for simultaneous charging of up to two devices Delivers up to 5V / 3A output for efficient power delivery Features a compact size of 7cm x 2.2cm x 2.5cm and weighs just 27g, making it easy to carry Operates with input voltages from 9V to 36V, suitable for various DC sources Achieves up to 92% efficiency to minimize energy loss Constructed with durable PCB and electronic components for reliable performance This converter fits well for users who frequently travel or work in environments with limited access to standard outlets, providing a straightforward way to maintain device connectivity.

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This aluminum heat sink, sized at 40x40x11mm, helps manage heat in electronic components to support safe operation. In electronics projects, such as building custom LED lights or assembling circuit boards, it dissipates heat from chips and LEDs, reducing the chance of overheating and extending component lifespan. Made from durable aluminum for efficient thermal conductivity. Black finish provides a clean, professional look that blends into various setups. Lightweight at 15g, allowing easy attachment without adding bulk. Compatible with LEDs, power ICs, memory modules, and transistors for versatile use. Performs better with added airflow, like from a fan, to handle higher heat loads. Compact dimensions make it suitable for space-constrained designs. It's a practical choice for hobbyists and engineers working on small-scale cooling solutions in DIY electronics.

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The Landa tianrui DC motor speed controller allows precise adjustment of motor speeds using PWM technology, complete with a reversible switch for forward and reverse operation. This controller is useful for hobbyists and DIY enthusiasts working on projects like robot builds, fans, or small machinery, where controlling motor direction and speed helps achieve accurate performance and prevents overheating. Features a potentiometer for smooth speed adjustments from 0% to 100% Includes reverse polarity and high current protection up to 10A for safer operation Equipped with a reversible switch and screw terminals for easy wiring Made from durable FR-4 material, ensuring reliable performance in various conditions Supports input voltages from 6V to 30V DC, with a maximum power of 200W Compact design measures 7.4 cm x 4.7 cm x 2.8 cm and weighs just 68 g for easy integration This speed controller fits well in educational electronics, prototyping, or automation setups, offering practical control for motors in a variety of DC-powered applications.

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The Waveshare Wide-Angle 120-Degree Camera offers a practical solution for enhancing vision capabilities in embedded projects, specifically with the NVIDIA Jetson Nano Developer Kit. This camera is ideal for applications needing broad coverage, such as robotics, surveillance, or AI image processing, where its wide field of view helps capture more of the environment without needing to reposition the device. 8-megapixel IMX219 sensor with 3280 x 2464 resolution for detailed imaging 120-degree diagonal angle of view and less than 13.6% distortion for expansive, accurate visuals Compact 25mm x 24mm size and 12g weight, making it easy to integrate into small-scale projects Four screw holes for stable mounting and a 15-pin FFC for straightforward connectivity Built-in 3.3V power output to simplify power management in setups 1/4-inch CMOS sensor with a 1.88mm focal length and F2.2 aperture for versatile lighting conditions This camera fits well in development environments for tech enthusiasts and professionals seeking reliable, wide-angle imaging for Jetson Nano-based innovations.

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The Waveshare 7-Inch Capacitive Touchscreen LCD serves as a versatile display option for Raspberry Pi enthusiasts and mini PC users, featuring a compact IPS screen with responsive touch capabilities. In practical scenarios, such as prototyping electronics, educational coding projects, or setting up a portable workstation, this display enables intuitive interaction and easy integration, helping users streamline their workflows without complex setups. 7-inch IPS screen with 1024x600 hardware resolution, adjustable up to 1920x1080 for flexible viewing options Toughened glass capacitive touch panel with 6H hardness, providing durable and precise touch response Wide compatibility with devices like Raspberry Pi, Banana Pi, and desktop computers, supporting OS such as Raspbian, Ubuntu, and Windows 10/8.1/8/7 Multi-language OSD menu for straightforward adjustments to brightness, contrast, and power settings Includes a 3.5mm audio jack for HDMI audio output and optional VGA input (cable sold separately) Comes with a high-quality PC case offering adjustable tilt angles of 30° or 50° for optimal viewing This display fits well in space-constrained environments, making it suitable for hobbyists, developers, and professionals seeking a reliable, driver-free touchscreen solution for their projects.

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The Waveshare 7-inch portable IPS touch screen provides a versatile display option for computing projects and everyday use. For tech enthusiasts and developers, this screen serves as an effective portable monitor, enabling interactive setups with Raspberry Pi for coding, prototyping, or gaming on devices like XBOX360 and PS4. It simplifies connections to mini PCs or desktops, offering a clear view for tasks that require touch input without complex installations. Features a 1024x600 hardware resolution, adjustable up to 1920x1080 for flexible viewing options Supports single-touch with Raspberry Pi on OS like Raspbian and Ubuntu, and five-point touch on Windows 10/8.1/8/7 Driver-free setup for easy integration with popular devices including BB Black and Banana Pi Includes a multi-language OSD menu for adjusting brightness, contrast, and power settings Equipped with a 3.5mm audio jack and HDMI audio output for sound connectivity Also compatible with VGA input, though a separate cable is needed This touch screen fits well in mobile or compact environments, making it suitable for hobbyists seeking reliable, multi-compatible displays for their projects.

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This timing delay relay module serves as a reliable component for automotive control systems and industrial electromechanical equipment, allowing precise timing and control of electrical circuits. In automotive applications, it's useful for tasks like delaying starter motor engagement or managing lighting sequences, helping to prevent electrical issues and ensure smooth operation in vehicles or machinery. Features voltage input anti-reverse connection for safe wiring and reduced risk of damage. Includes signal input optocoupler isolation to enhance anti-interference capabilities in noisy environments. Supports long-term memory of settings after power loss, maintaining programmed parameters for convenience. Offers a powerful FLASH MCU for online programming, enabling custom functions tailored to specific needs. Operates across a wide temperature range of -40 to 85 degrees Celsius, suitable for various conditions. Compact size of 64.2 x 34.8 x 18.5 mm makes it easy to integrate into tight spaces. Light specifications include a working voltage of DC 12V and output capability up to DC 30V 5A or AC 220V 5A. This module fits well for automotive enthusiasts, DIY modifiers, or professionals needing dependable timing solutions in control systems.

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The Deek-Robot Digital Delay Relay Switch offers reliable time-based control for various electrical applications. It allows users to set delays for activating or deactivating circuits, making it a practical tool for automation and timing needs. In everyday use, this switch is ideal for projects like automated lighting systems, motor controls, or safety mechanisms in DIY electronics, where precise timing and quick emergency stops can prevent accidents or optimize operations. Features a one-button emergency stop for immediate circuit interruption, enhancing user safety. Includes voltage input anti-reverse protection to prevent wiring errors and potential damage. Supports power-off memory, retaining settings even after power loss for uninterrupted use. Automatic sleep mode that turns off the display after 5 minutes of inactivity, conserving energy. Operates on a wide DC 5-30V range with output capacity up to 10A for versatile compatibility. Compact dimensions of 70 x 40 x 23mm, making it easy to install in tight spaces. This switch fits well in environments with temperatures from -40 to 85 degrees Celsius, suitable for both indoor and outdoor time-control setups by hobbyists and engineers.

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This lithium battery protection board is engineered for 3S 12V systems, providing fundamental safeguards for lithium-ion setups like those using 18650 cells. In practical use, it's suitable for DIY projects, such as building custom power banks or small electric devices, where it helps prevent battery damage from overcharge, over-discharge, or short circuits, potentially extending the life of your battery pack. Handles up to 25A continuous current for reliable performance in moderate-power applications Operates at a standard 12.6V rated voltage to match common 3S configurations Compact dimensions of 56mm x 45mm x 4mm allow for easy integration into tight spaces Includes essential safety features like overcurrent and short-circuit protection Compatible with standard 18650 lithium batteries for straightforward setup No additional pins required, simplifying connections Light specifications include a power supply voltage of 12V and a package for 3 strings. This board fits well for electronics enthusiasts or hobbyists working on battery-powered projects needing basic protection without complex extras.

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This development board serves as a practical tool for DIY electronics enthusiasts, providing essential voltage regulation for various projects. It features compatibility with standard R3 setups, making it a straightforward option for building and testing circuits. For instance, use it to power microcontrollers and sensors in instrument design or simple automation tasks, where stable voltage is key. It supports a range of power inputs and automatic driver installation to get you started quickly without complex setup. Dual voltage outputs: 5V and 3.3V DC for versatile component compatibility Automatic driver installation upon plugging in, simplifying initial use Added pin headers for easy connections and prototyping Power supply range of 5V to 9V, accommodating common batteries and adapters Electrostatic bag packaging to protect against static damage during handling Seamless integration with IDE for board and COM port selection Light specifications include its ability to run included programs for immediate testing. This board fits well for beginners and hobbyists seeking a reliable, no-frills solution for electronics experimentation.

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The 5V relay module serves as a versatile component for electronics enthusiasts and hobbyists working on projects like Arduino setups or basic home device automation. In a typical use case, this module enables you to switch higher voltage devices, such as lights or motors, using a low-voltage signal from a microcontroller, making it suitable for prototyping smart home controls or sensor-based systems without needing complex wiring. Operates on a 5V supply with 5V-12V TTL control signals for easy integration with Arduino boards. Features a normally open and normally closed contact to handle both DC and AC loads up to 220V, providing flexibility for various applications. Includes a power indicator and a control indicator light that illuminates when the relay is active, helping with quick status checks. Utilizes a transistor drive for the relay coil and a pull-down circuit on the control pin to minimize the risk of unintended activations. Compact design suitable for breadboard use, enhancing reliability in experimental setups. Supports control of everyday devices, offering a straightforward way to interface low-voltage logic with higher-power circuits. This module fits well for beginners and intermediate users in DIY electronics, providing a reliable option for safe and effective device control in educational or personal projects.

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This low speed worm gear motor serves as a reliable component for DIY robot and smart car projects, offering precise control in compact designs. In practical use, it's suitable for applications like building robotic prototypes or automating simple devices, such as electronic locks or camera mechanisms, where steady, low-speed operation helps achieve accurate movements without overheating. Features a metal gear for stable and wear-resistant transmission, ensuring longevity in repetitive tasks. Includes a pure copper motor that provides effective dust insulation and high temperature resistance for consistent performance. Constructed with 304 stainless steel for a high-precision gear box, enhancing durability and reducing slippage. Operates at a rated voltage of 6V or 12V, making it versatile for various power sources in electronics projects. Compact size of approximately 14x17x35mm allows for easy integration into space-limited designs. This motor fits well for hobbyists, students, and engineers seeking a dependable option for small-scale automation, addressing needs for abrasion-resistant and efficient components in everyday projects.

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This thermoelectric Peltier cooling module is designed for electronic projects, utilizing the Peltier effect to transfer heat from one side to the other. It offers a reliable way to achieve cooling or heating in compact setups. In practical use, it's ideal for DIY enthusiasts building custom cooling systems, such as maintaining optimal temperatures in small electronics, 3D printers, or refrigeration prototypes, ensuring components stay within safe limits when properly installed with heat dissipation. Features 127 component pairs for efficient heat transfer, with assembly requiring 85N/cm² pressure and thermal grease for optimal contact. Available in sizes like 40x40x4.0mm (12703 model), using standard silicone rubber sealing for durability. Operates with DC voltage up to 15.5V, delivering cooling power from 27W to 134W across models, depending on the variant. Requires proper heat sinking on the hot side to prevent overheating; do not energize without dissipation. Includes wires with tinned ends for easy integration into circuits. Works in temperatures from -55°C to 83°C, making it suitable for various environmental conditions. This module fits well in educational, hobbyist, or prototyping scenarios where precise temperature control is needed, compatible with standard electronic components for straightforward setup.

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This aluminum alloy grid cooling case is designed for Raspberry Pi boards, offering a practical solution for managing device heat. Constructed from durable aluminum, it helps maintain stable performance during prolonged use. For hobbyists and developers working on projects like home automation or IoT setups, this case ensures your Raspberry Pi runs efficiently by dissipating heat quickly, preventing potential slowdowns from overheating while keeping all ports accessible. Hollow grid design for enhanced airflow and fast heat dissipation Precise hole alignment with Raspberry Pi interfaces for easy connectivity Does not interfere with WiFi signals, allowing seamless wireless operation Side slots for GPIO cables and access to USB, network, audio, micro HDMI, and power ports Lightweight with strong corrosion resistance, made from low-density aluminum alloy Compatible with Raspberry Pi 3 Model B, Pi 2, and B+ models This case fits well into compact setups where reliable protection and ventilation are needed without adding bulk.

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The Schumann Resonator Device offers a simple way to incorporate resonance technology into your daily routine for relaxation and wellness support. In a typical use, position it on a table or bookshelf about 1.5 meters above the ground in your bedroom or workspace. It works by influencing the surrounding environment, potentially helping to ease mental tension and enhance focus during everyday activities like reading or working. Plug-and-play design with low power consumption; no switch needed, just connect to power for immediate operation. Colorful breathing lights that add a subtle visual element to your space. Double-sided transmitting antennas for comprehensive environmental coverage. All-around design that minimizes dust buildup, ensuring consistent performance. Constructed from reliable PCB material for durability. Operates on DC12V with a current of at least 0.5A, making it compatible with standard adapters. This device fits well for those seeking straightforward tools to support mental well-being in home or office environments, without overwhelming complexity.

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