Electronic Tools, Parts & Components

This compact digital amplifier provides 35W of mono audio output, using the TDA8932 chip for reliable performance in various projects. It's practical for tasks like upgrading active speakers or prototyping audio devices, where space-saving design and efficient power handling help streamline builds without extra cooling needs. Utilizes the TDA8932 chip for high-efficiency amplification Compact PCB construction, ideal for tight spaces in DIY setups Operates on a single DC voltage from 10-30V, with 24V recommended for optimal results Delivers 35W output with compatibility for 4-8 ohm speakers, performing best at 8 ohms Features mono BTL configuration for straightforward, effective audio delivery No additional radiator required, simplifying installation This amplifier fits well in audio projects for enthusiasts and developers seeking a dependable, space-efficient solution for mono applications.

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The Xbee Sensor Expansion Shield is a board designed for Arduino compatibility, allowing users to integrate Xbee modules for enhanced connectivity in their projects. In practical use, this shield helps in building wireless sensor networks, such as monitoring environmental data remotely with Arduino setups, making it suitable for IoT prototypes or data logging applications. Seamlessly connects Xbee wireless modules to Arduino for easy communication expansion Supports sensor integration, enabling addition of various inputs like temperature or motion sensors Features a straightforward plug-and-play design that minimizes wiring complexity Compatible with standard Arduino boards, ensuring broad usability Compact form factor that fits onto Arduino without adding bulk Facilitates reliable data transmission for projects requiring wireless capabilities This shield fits well for electronics enthusiasts and developers exploring wireless applications, offering a practical way to extend Arduino functionality.

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This XINYI 2.1 channel Bluetooth audio power module offers a compact solution for integrating audio capabilities into various systems. It supports multiple inputs and outputs, making it suitable for custom builds or upgrades. For DIY audio enthusiasts or hobbyists assembling home theater setups, this module provides reliable connectivity options like Bluetooth 5.0, allowing seamless streaming from devices, or wired inputs for stable playback. It helps deliver balanced sound with dedicated channels for left, right, and subwoofer outputs, enhancing audio experiences in projects like portable speakers or car audio modifications. Features 2.1 channels with 50W per left/right speaker and 100W for subwoofer, supporting 4-8 ohm loads. Includes Bluetooth 5.0, AUX, U disk, and USB sound card inputs for versatile connectivity. Encoder knob for precise volume control and protection against static, overcurrent, overheating, and short circuits. App control via Sinilink for easy adjustments. Compact size of about 9.5 x 8.8 x 2.5 cm and weighs 156g, ideal for space-limited installations. Operates on DC 5-26V power supplies, with a frequency range of 20Hz-30KHz and 92dB signal-to-noise ratio. This module fits well in electronics projects needing durable, multi-functional audio amplification, particularly for users seeking efficient, protected components for their builds.

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The T Shape GPIO Expansion Board V1 offers a straightforward way to extend the capabilities of your Raspberry Pi B+. For hobbyists and makers, this board is useful in projects that require additional GPIO connections, such as building smart home devices or prototyping circuits, by providing more accessible pin layouts without the need for soldering. Specifically designed for Raspberry Pi B+ compatibility, ensuring a secure and stable fit. T-shaped layout improves access to pins, making it easier to connect wires and components. Simple plug-and-play installation for quick setup and reduced setup time. Compact design that integrates seamlessly without adding bulk to your setup. Helps expand I/O options, allowing for more devices to be connected simultaneously. Light specifications include a board size suitable for standard Raspberry Pi enclosures. This expansion board fits well for users seeking reliable GPIO extension in educational or DIY electronics projects.

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This Bluetooth wireless stereo audio amplifier supports home music playback, using the TPA3116D2 chip for reliable performance. It connects seamlessly via Bluetooth 5.0, allowing you to stream audio from devices like smartphones or tablets. For everyday use, it's suitable for setting up a simple home audio system, such as pairing with 4-ohm or 8-ohm speakers to enjoy wireless music in your living room or office, reducing cable clutter while maintaining clear sound transmission up to 15 meters. Features dual-channel stereo output for balanced left and right audio. Includes a built-in filter for smoother, clearer sound quality. Supports a wide voltage range of 5-27V, adaptable to various power sources. Offers protections against overvoltage, undervoltage, overheating, and short circuits for safe operation. Compatible with speakers from 30W to 200W, ensuring versatility for different setups. This amplifier fits well with standard home audio configurations, making it a practical choice for users seeking straightforward wireless connectivity. Note that output power depends on voltage and speaker impedance for optimal performance.

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The reed sensor board serves as a reliable component for detecting magnetic fields, commonly used in security and monitoring setups. In a home security context, this board can detect when doors or windows open by sensing attached magnets, allowing for integration into alarm systems or automated alerts via compatible microcontrollers. Detects magnetic presence for applications like door and window monitoring, electromagnetic relays, and electronic weighing Compatible with Arduino boards, enabling straightforward programming and connectivity Constructed from durable PCB material for stable performance Features a simple design that supports easy installation and wiring Includes a reed switch for precise magnetic field detection Light specifications include a compact PCB layout, making it suitable for DIY projects or professional installations where space and reliability are key. This sensor board fits well for electronics enthusiasts or developers building custom security solutions that require accurate, low-cost magnetic detection.

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The HC-SR04 ultrasonic distance sensor is a compact module designed for measuring distances in various microcontroller projects, particularly with Arduino boards. This sensor is useful for applications like obstacle detection in robotics, parking assistants, or smart home setups, where accurate distance measurement helps in creating responsive and efficient systems. Features four-pin connections: VCC, Trig, Echo, and GND for straightforward integration Provides an output signal ranging from 0V to 5V, compatible with 5VDC power supplies Detects distances from 2cm to 450cm with a precision of up to 3mm Operates by sending eight 40kHz square waves upon receiving a trigger signal of at least 10us Automatically detects returning pulses to calculate distance Easy to use with Arduino, requiring basic programming for data interpretation Light specifications include a power requirement of 5VDC and compatibility with common microcontroller platforms for hobbyists and educators building distance-measuring projects. This sensor fits well into educational, prototyping, and DIY electronics scenarios where reliable distance data is needed without complex setup.

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This breadboard jumper wire kit provides a versatile set of wires for electronics prototyping and testing. It includes various lengths to accommodate different project needs. Use these jumper wires to connect components on a breadboard for building circuits, such as in DIY electronics, Arduino projects, or educational experiments. They help ensure secure and accurate connections without soldering. Assorted lengths ranging from 2mm to 125mm for flexible use in tight or extended spaces Made from durable copper wire that resists wear and maintains conductivity Safe, non-toxic materials suitable for prolonged handling Compact and portable design for easy storage and transport Available in standard 2mm pitch for compatibility with most breadboards Quantities vary by length to support multiple connections in a single project These wires fit well for beginners and experienced users alike, offering practical solutions for everyday electronics tasks like prototyping sensors or testing circuits.

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This multiturn precision potentiometer is designed for accurate electronic adjustments, offering reliable performance in various applications. It features a compact design that makes it straightforward to integrate into projects. In practice, it's useful for tasks like calibrating audio equipment, tuning motor controls, or adjusting voltage in DIY electronics, where precise, multiple-turn adjustments help achieve the desired settings without overshooting. Provides dielectric strength to withstand 750 V at 50 Hz AC RMS for up to one minute, ensuring safe operation in higher voltage environments Delivers a rated power of 2W, supporting consistent performance during extended use Compact and lightweight build for easy portability and installation in tight spaces Multiturn mechanism allows for fine, incremental adjustments, enhancing accuracy in precision tasks Resistant to common electrical stresses, reducing the risk of failure during operation Light specifications include a small form factor suitable for handheld devices or circuit boards. This potentiometer fits well in electronics projects for hobbyists and professionals needing dependable, adjustable components for accurate control.

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The Colorful Quick Line Wire Terminal offers a practical solution for secure electrical connections in various wiring projects. Made from durable PA nylon and stainless steel, it's designed for reliable performance in everyday applications. In home wiring or DIY electronics, this terminal simplifies connecting wires by allowing direct insertion of both multi-strand flexible and single-strand hard wires, reducing installation time and effort while ensuring a tight, stable connection. Constructed with PA nylon shell for flame retardant insulation and high temperature resistance up to rated limits. Supports wiring from 0.4 to 6 square millimeters, compatible with common flexible and hard wires for versatile use. Features electrolytic copper nickel-plated tin contacts for enhanced conductivity and corrosion resistance. Available in configurations like two-in/two-out or three-in/six-out, with weights ranging from 3.21g to 18.3g. Rated for voltages up to 600V and currents up to 40A, depending on the model. Requires a stripping length of about 11-12mm for easy setup. This wire terminal fits well for electricians, hobbyists, or anyone needing dependable, quick connections in low to medium voltage setups.

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The Wireless Module Socket Adapter Board is designed for connecting NRF24L01+ wireless modules to microcontroller systems, addressing common voltage compatibility issues in DIY electronics. In microcontroller projects, this adapter simplifies integration by handling voltage differences, allowing seamless communication between a 5V system like the 51 single-chip and the 3.3V wireless module, which is useful for building wireless sensor networks or remote control setups. Material: High-quality PCB for reliable performance On-board AMS1117-3.3 chip for stable 3.3V regulation Supports both 3.3V and 5V operations for versatile use Specifically compatible with NRF24L01+ modules for straightforward setup Compact design that fits easily into prototype boards Facilitates secure pin connections to prevent signal loss Light specifications include a standard PCB size suitable for breadboard or custom enclosures. This board fits well for hobbyists and students exploring wireless communication in embedded systems.

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The DTMF Audio Decoder Module serves as a practical component for electronics enthusiasts working on signal processing projects. In scenarios like building remote control systems or integrating with phone-based interfaces, this module decodes dual-tone multi-frequency signals from audio inputs, helping to trigger actions in devices such as alarms or robotic controls. Features the MT8870 decoder chip for reliable frequency detection Includes a voice input interface for easy audio signal connection Equipped with five LED indicators to visually monitor output states Exposes basic chip pins for straightforward integration and customization Compatible with popular platforms like Arduino, Raspberry Pi, and ARM MCUs This module fits well in educational or DIY settings, offering a simple way to handle audio signals in projects without requiring advanced expertise.

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This mini 2-piece RS232 to TTL level conversion board, featuring the MAX3232CSE chip, helps bridge communication between devices using different voltage standards. In practical scenarios, it's often used in electronics projects to connect RS232 serial ports from older equipment to TTL-compatible microcontrollers, like those in Arduino setups or industrial monitoring systems, ensuring reliable data transfer without signal conflicts. Utilizes MAX3232CSE chip for stable conversion Operates on a 3V to 5V voltage range for broad compatibility Supports baud rates up to 120 KBPS for everyday serial communication needs Compact two-piece design for easy integration into tight spaces Includes essential components for straightforward setup Ideal for reducing signal voltage mismatches in DIY electronics Light specifications: Dimensions are not specified, but the board's mini size suits portable applications. This solution fits users in hobbyist electronics, prototyping, or maintenance roles seeking a dependable interface for serial devices.

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The 10-piece set of universal T-type wire connection terminals provides a practical option for household electrical wiring needs. In everyday use, these terminals help secure connections in lighting setups, electrical appliances, or power sockets, making them useful for tasks like repairs or installations where reliable wire joining is required for both soft and hard types. Push-type interface for straightforward installation without special tools Flame-retardant shell made from PC and Nylon materials for added safety Copper conductive elements ensure firm and consistent wiring Supports a wiring range of 0.08 to 4.0 square mm, accommodating various wire sizes Compact dimensions of 39.8x26.2x14.5mm for easy integration into tight spaces Rated for 32A current, 450V voltage, and 50/60Hz frequency, handling up to 7000W power Three-hole design for versatile connection options This product fits well in standard household electrical projects, offering dependable performance for users seeking efficient wire management solutions.

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This 16-channel PWM servo controller is designed for Arduino-based DIY projects, offering precise control over multiple servos via I2C communication. In robotics or automation setups, it helps manage complex movements by allowing you to control up to 16 servos simultaneously, making it useful for building prototypes like robotic arms or animated models where synchronized actions are needed. Compatible with official Arduino boards and other 3.3V MCUs for versatile integration Features 6 address select pins, enabling up to 62 boards on a single I2C bus for expanded 992-channel capacity Includes a built-in clock and approximately 1.6KHz PWM frequency for reliable servo operation Equipped with reverse polarity protection and a bulky capacitor on the V+ line for added safety Utilizes the PCA9685 chip at its core, with 220 ohm resistors on PWM outputs to prevent damage Green power indicator and power input terminal for easy monitoring and connection Supports cascading design and simultaneous insertion of up to 16 servos This controller fits well in electronics projects for hobbyists and makers seeking dependable, expandable servo control without complex wiring.

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The PCF8591 Analog to Digital Converter Module serves as a practical tool for converting analog signals into digital data, commonly used in DIY electronics setups. In typical use, this module connects to microcontrollers like Arduino or Raspberry Pi via I2C, allowing you to read sensor inputs such as temperature or light levels for projects like environmental monitoring or automation prototypes. Offers 4 analog inputs that can be programmed as single-ended or differential for flexible signal handling. Features an 8-bit successive approximation A/D converter with a built-in track and hold circuit for accurate sampling. Supports addressing through 3 hardware pins and operates with a sampling rate determined by the I2C bus speed. Includes an analog output via DAC for additional signal processing needs. Requires a working voltage of 2.5-6V and maintains low standby current to minimize power use. This module fits well in educational experiments or hobbyist builds where precise analog-to-digital conversion is needed without complex setups.

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The DC Motor Speed Controller offers adjustable speed control for DC motors, using PWM technology to vary output based on input voltage. It features a potentiometer for precise adjustments and comes in a compact design suitable for various applications. This controller is practical for electronics projects, such as controlling fans, robotics, or small machinery, where you need to fine-tune motor speed without complex setups. It helps manage power efficiently, reducing the risk of motor damage from incorrect voltages or currents. Adjustable speed range from 5% to 100% via a B100K potentiometer for accurate control Supports input voltages of DC 10-60V, with output scaling to 0-100% of input Rated for 10A current, up to 20A maximum, suitable for motors up to 240W at 24V Compact size of 88mm x 59mm x 35mm for easy integration into tight spaces Operates at a 25kHz PWM frequency for smooth speed transitions Requires correct polarity to avoid damage, ensuring reliable performance This speed controller fits well in DIY electronics, hobbyist kits, or professional setups needing versatile motor control, as long as the motor's voltage and current specs align with the device's limits.

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The Waveshare 1.3-inch LCD Display HAT provides a compact screen solution for Raspberry Pi enthusiasts, featuring standard connectivity for easy integration. This HAT suits projects where a small, high-definition display is needed, such as building portable devices, user interfaces, or interactive prototypes with Raspberry Pi. It allows for clear visuals and simple controls, helping users monitor data or navigate menus efficiently. IPS screen with a wide viewing angle for better visibility from various positions Includes a joystick and three pushbuttons for intuitive input and interaction RGB color support with 65K colors and 240x240 resolution for sharp, vibrant displays SPI interface for fast communication with compatible Raspberry Pi models like Zero, 2B, 3B, and 3B+ LED backlight and 3.3V operation for energy-efficient performance Comes with development resources, including examples for Raspberry Pi, to simplify setup and coding This display HAT fits well in educational, hobbyist, or professional Raspberry Pi projects requiring a reliable, space-saving screen with built-in controls.

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The rotary encoder module with button serves as a practical component for DIY electronics projects, enabling accurate tracking of rotational movements. In use, this module helps in scenarios like building interactive controls for devices, such as adjusting settings in a custom user interface or monitoring wheel rotations in a robot prototype, by providing reliable pulse outputs for forward and reverse directions. Generates 20 pulses per revolution for precise counting without limits on rotation. Includes a built-in button to reset the count to zero, simplifying operation in dynamic projects. Operates at a 5V working voltage, making it compatible with standard microcontrollers like Arduino. Constructed with durable electronic components and a PCB for stable performance. Utilizes an incremental design based on photoelectric scanning to convert rotations into digital signals. Offers bidirectional pulse detection for versatile applications in automation and sensing. This module fits well for electronics enthusiasts, students, and hobbyists seeking a straightforward way to add rotation sensing to their prototypes.

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The Waveshare 1.8-inch colorful LCD display module provides a straightforward way to add visual output to Micro:Bit projects. This module features a compact screen that integrates easily with compatible boards, allowing for clear display of text, graphics, and colors. In practical use, this display works well for educational coding activities, prototyping sensors, or building simple interfaces where real-time data visualization is needed, such as in robotics or wearable tech experiments. Directly pluggable via Micro:Bit edge connector for seamless setup Embedded ST7735S driver supporting 65K RGB colors for vibrant visuals Onboard SRAM for reliable display caching, preventing memory issues SPI interface that uses minimal IO pins, ideal for resource-limited projects Adjustable backlight via PWM for customizable brightness levels Reserved solder pads for easy connection to boards like Arduino With a resolution of 160x128 pixels and a 3.3V operating voltage, this module fits neatly into small-scale electronics setups, making it suitable for hobbyists and students exploring interactive designs.

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This autofocus 5MP camera module offers reliable imaging for smart home devices and other applications, providing clear video and photo capture in a compact design. In smart home setups, it helps monitor environments by delivering sharp images for security cameras or interactive devices, adapting quickly to changes in distance or lighting for everyday use. Autofocus feature ensures fast and precise focusing, making it easier to capture detailed scenes without manual adjustments. 5-megapixel resolution (2592x1944) supports 1080P video, allowing for vivid details in highlights and shadows. Compact size of about 21 x 8.5 x 5mm fits seamlessly into tight spaces in DIY projects or devices. Variable frame rates up to 120fps at lower resolutions enable smooth video for motion tracking or fast-paced scenarios. DVP/MIPI interfaces provide versatile compatibility with various systems like PCs or mobile devices. FPC material ensures flexibility and durability in installation. This module suits users needing dependable imaging for smart home integration or custom electronics, with a 24-degree lens angle ideal for focused, narrow-field views.

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The Waveshare 5-inch touch screen display offers a compact solution for various computing needs, featuring an 800x480 resolution that's software-configurable for flexibility. This display works well for Raspberry Pi enthusiasts building interactive projects, such as home automation systems or portable gaming setups, where a responsive touch interface simplifies navigation and control. Hardware resolution of 800x480, adjustable up to 1920x1080 for detailed visuals Driver-free compatibility with Raspberry Pi (Raspbian, Ubuntu, WIN10 IOT) and Windows systems for easy setup Supports game consoles like XBOX360, PS4, and Nintendo Switch via HDMI Multi-language OSD menu for adjusting brightness, contrast, and power settings Includes 3.5mm audio jack and speaker connector for integrated sound Also accommodates VGA input with a separate cable (not included) This display fits users seeking a versatile, portable screen for DIY electronics, educational projects, or basic monitoring tasks, thanks to its broad device compatibility and straightforward features.

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This Bluetooth wireless audio receiver with amplifier offers a straightforward way to add wireless connectivity to your home speakers, supporting various audio inputs for versatile use. In everyday scenarios, it's useful for streaming music from your smartphone or connecting devices via AUX, making it easy to upgrade older speaker systems without replacing them entirely. Bluetooth 5.0 technology for reliable wireless connections up to a reasonable range. Multiple input options including Bluetooth, AUX, U disk, and USB sound card for playing from different sources. 360-degree adjustable volume encoder for precise control. Output designed for passive speakers with 50W x 2 power, compatible with 4-8 Ohm speakers rated 10-200W. Built-in protections against static electricity, overcurrent, short circuits, and overheating for safer operation. Efficient heat dissipation via a large heat sink and shell design to maintain performance during extended use. With its compact size of 84x65x25mm and lightweight 85g build, this device fits well in home audio setups for users seeking an affordable connectivity solution.

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This Waveshare 5-inch HDMI touch screen display offers a compact solution for adding interactive visuals to your projects. With an 800x480 resolution that's configurable up to 1920x1080, it provides clear imagery for various applications. For hobbyists and developers, this display works well in scenarios like building a portable Raspberry Pi setup for coding or monitoring, or even as a secondary screen for gaming consoles, eliminating the need for complex drivers. Hardware resolution of 800x480, software-configurable to 1920x1080 for flexible display options Driver-free compatibility with Raspberry Pi (Raspbian, Ubuntu, WIN10 IOT) and Windows systems for easy setup Supports single-touch input, ideal for interactive projects or basic navigation Multi-language OSD menu for adjusting brightness, contrast, and power settings Includes 3.5mm audio jack and speaker connector for integrated sound output Versatile connectivity with HDMI and optional VGA input for use with desktops or game consoles like XBOX360 and PS4 This display fits users seeking a reliable, portable screen for tech projects, educational tools, or casual gaming, due to its wide device compatibility and straightforward features.

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