This adjustable voltage regulator with LCD display helps manage power in electronic projects by allowing precise control of output voltage and current. For users building or testing circuits, such as powering LEDs, charging batteries, or supplying stable voltage to devices, it offers a straightforward way to monitor and adjust settings in real-time, reducing the risk of damage from incorrect power levels. Supports input voltages from 6.5V to 36V and outputs from 1.2V to 32V, with stable currents up to 3.5A (or 4.5A with fan cooling) LCD screen displays input/output voltage, current, and power for easy monitoring Features button controls for on/off, display switching, and voltage adjustment in 0.05V increments Includes input reverse polarity and short circuit protection for added safety Adjustable constant current up to 4.5A, suitable for applications like LED driving or battery charging Compact size of about 70.5x48.4x28mm and weighs 65g, making it portable for benchtop use This regulator fits well for electronics enthusiasts and professionals who require accurate, efficient power management in their DIY or prototyping work.

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This stepper motor controller board is designed for DIY electronics projects, offering precise control for various motor types. It operates on a DC 10V-35V power supply, with a recommended 24V for optimal performance. In DIY applications like robotics or CNC machines, this board helps achieve accurate motor positioning and speed control, reducing the risk of step loss during operation. It's particularly useful for projects requiring adjustable settings to match specific motor needs. Features Toshiba TB6560AHQ chip with built-in protections against overcurrent, overheating, and low voltage for reliable use. Includes 6N137 high-speed optical coupling to maintain accuracy at higher speeds. Supports up to 16 subdivisions, including full, half, 1/8, and 1/16 steps, for fine-tuned control. Automatic half-flow function to conserve energy and reduce heat buildup. Adjustable current levels up to 3A maximum, compatible with 42 or 57 stepping motors under 3A. Compact dimensions of 50mm x 75mm x 35mm and lightweight at 83g for easy integration into projects. This board fits well for hobbyists and makers working on motor-driven prototypes, providing essential controls without unnecessary complexity.

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The Adjustable Karaoke Microphone Amplifier Board offers a straightforward way to mix voice and music for personal karaoke sessions. It features adjustable controls for fine-tuning audio elements, making it suitable for hobbyists building custom sound systems. In a typical use, connect it to your music source and a compatible microphone to create a balanced mix, perfect for practicing singing at home or small gatherings without needing complex equipment. Independent knobs for music volume, microphone volume, and reverberation time for precise audio balancing Utilizes PT2399 reverberation chip and NE5532 op amp for reliable sound processing Supports DC 12-24V power supply, compatible with various digital amplifier boards Compact design with dimensions of 117 x 53 mm and weight of 75 grams for easy integration Two-channel output with a frequency response of 25Hz-17kHz Requires adjustable loop microphones for operation; not compatible with condenser or other types This board fits into DIY audio setups where users need customizable mixing options, helping to achieve clearer vocals and enhanced sound quality in casual karaoke environments.

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The DIY Bluetooth 4.1 Audio Receiver Module is a compact device for adding wireless audio capabilities to custom projects, such as car or home audio upgrades. It suits scenarios like retrofitting an older car stereo for smartphone connectivity, or building a personal Bluetooth speaker, helping users stream music from Android or iOS devices with minimal wiring. Requires a connection password for added security, preventing unintended access. Ultra-small size of 3.3x3.5x1.1cm, making it ideal for tight spaces in DIY electronics. Dual-channel stereo output that works with various amplifiers and systems for balanced sound. Powered by MICRO USB or pin port with 3.7-5V DC, offering flexible installation options. High-fidelity output circuit with resistance-capacitance isolation to reduce noise and ensure clear audio playback. Status pin for advanced users to integrate with microcontrollers or switches in custom setups. This module is a practical choice for electronics enthusiasts working on audio modifications, providing reliable Bluetooth 4.1 compatibility up to 12 meters in open environments.

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The Waveshare RoArm-M1 is a serial robotic arm designed for educational and prototyping projects, featuring 5 degrees of freedom for versatile movement. It offers straightforward control options to help users explore robotics fundamentals. In educational settings, the RoArm-M1 supports hands-on learning by allowing students to program and test robotic movements, such as picking and placing objects, making it suitable for classroom demonstrations or individual experiments in coding and mechanics. Five degrees of freedom, including gripper control, for precise positioning and manipulation. Angle and coordinate control methods for intuitive operation. Leading-following mode via ESP-NOW for synchronized actions. Motion recording and playback to analyze and refine sequences. ESP32-based system with WiFi and UART communication for easy integration. Cross-platform web apps and ROS 2 demos for advanced learning. With a weight of 1.894 kg, this robotic arm fits well into desktop setups for beginners and enthusiasts seeking practical tools for robotics development.

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This GPS satellite positioning module is designed for integration with Arduino and other microcontrollers, offering reliable location tracking for various electronic projects. In practical scenarios, it's useful for building devices like vehicle trackers or drones, where accurate positioning data enhances functionality without excessive power draw, making it ideal for battery-operated setups. Includes routines for 51 Arduino and STM32 microcontrollers, simplifying software development. Features a USB interface for direct computer connection to view positioning data in real-time. Equipped with a passive ceramic antenna and amplifier for improved signal reception. Has an SMA interface for connecting external active antennas, expanding versatility. Operates on TTL levels, compatible with 3.3V or 5V systems to ease integration. Measures 39 x 25.5mm, allowing for compact project designs. Light specifications include a frequency of 1575.42MHz and software-controlled low power consumption, balancing performance and efficiency for hobbyists and developers working on positioning applications.

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The 9-Axis Sensor Board Module is a compact component for DIY electronics and robotics enthusiasts, utilizing the MPU-9250 chip for motion sensing applications. In projects like building autonomous robots or wearable tech, this module helps gather precise data on acceleration, gyroscope, and magnetometer readings, aiding in tasks such as orientation tracking or environmental monitoring without needing complex setups. Features a heavy gold PCB with machine welding for enhanced durability and consistent performance. Incorporates a built-in 16-bit AD converter for accurate 16-bit data output. Supports standard IIC/SPI communication protocols for easy integration with microcontrollers. Operates on a 3-5V power supply, making it versatile for battery-powered or standard setups. Has a compact size of 15x25mm with 2.54mm pin spacing, facilitating straightforward prototyping. This module fits well in educational experiments, hobbyist inventions, or professional prototyping where reliable 9-axis sensing is needed, offering compatibility with common development boards.

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The Four-Channel Signal Converter Board is a compact tool for electronics enthusiasts and professionals, enabling efficient signal conversion in various projects. In practical scenarios, such as building sensor networks or data logging systems, this board helps manage multiple channels with minimal power draw, making it ideal for battery-powered applications where reliability and energy efficiency matter. Automatic shutdown to reduce current consumption during idle times High precision conversion for accurate data handling Low power requirements, operating on 2-5.5V supply Multi-mode functionality with I2C-compatible serial interface for easy integration Onboard reference and oscillator for stable performance Compact size of about 16 x 28mm and lightweight at 2.5g This board suits users working on temperature-resilient projects, from -40 to 125°C, offering a straightforward solution for precise signal management in DIY electronics.

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The LCD1602 Adapter Board offers a straightforward way to integrate displays into electronic projects. It supports I2C protocol, making it compatible with microcontrollers like Arduino for efficient data display. In practical use, this adapter helps hobbyists and makers build prototypes, such as monitoring sensors in DIY IoT setups or displaying readings in educational experiments, by simplifying connections and adjustments. Enables backlight power control via a removable jumper cap for flexible energy management. Features a front-mounted blue potentiometer for easy contrast adjustment without disassembling your setup. Allows cascading up to 8 modules by modifying addresses with A0/A1/A2 pins, ideal for expanding displays. Operates on a 2.5-6V power supply, with each board weighing 5g and measuring 41.5x19x15.3mm for compact designs. Does not include the LCD screen, allowing you to pair it with your existing hardware. These adapters fit well in small-scale electronic projects, providing reliable performance for users seeking customizable display solutions without unnecessary bulk.

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The Waveshare ESP32-S3 Development Board is a compact microcontroller designed for IoT and embedded projects, featuring a range of digital interfaces for versatile connectivity. For developers working on IoT applications, this board offers a straightforward platform to prototype and test wireless devices, such as smart home sensors or wearable tech, using familiar programming environments to streamline the development process. Powered by ESP32-S3-WROOM-1-N8R8 module with a dual-core processor up to 240MHz, 512KB SRAM, and 8MB each of PSRAM and Flash for efficient performance. Includes 2.4GHz Wi-Fi and Bluetooth LE for reliable wireless communication, with options for low-power modes to suit battery-operated setups. USB Type-C interface with onboard CH343 and CH334 chips for easy serial communication and programming. Pin-compatible with ESP32-S3-DevKitC-1, plus a stamp hole design for seamless integration into custom PCBs. Supports multiple development environments like ESP-IDF, Arduino, and MicroPython for quick setup and flexibility. This board fits well for hobbyists, students, and professionals needing a reliable, expandable solution for IoT prototyping and deployment.

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The Atmel-ICE-C is a development tool for debugging and programming AVR and SAM microcontrollers, featuring a durable aluminium alloy enclosure for everyday use. In practice, developers can employ the Atmel-ICE-C to identify and resolve issues in microcontroller-based projects, such as embedded systems for IoT devices, by connecting via various interfaces for efficient code testing and deployment. Supports multiple interfaces including JTAG, SWD, PDI, TPI, aWire, SPI, and debugWIRE for versatile microcontroller compatibility. Enables full source-level debugging in Atmel Studio, with up to 128 software breakpoints and all built-in hardware breakpoints. Operates on USB power with a voltage range of 1.62V to 5.5V, making it suitable for a wide array of target devices. Includes connectors for both ARM Cortex Debug and AVR JTAG, along with necessary cables for immediate setup. Compatible with Atmel Studio 6.2 or higher and various compilers for programming HEX files. This tool fits well for electronics engineers and hobbyists working on AVR or SAM microcontroller projects, offering reliable performance for debugging and programming tasks.

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The Waveshare Wide-Angle Camera is a compact accessory for NVIDIA Jetson Nano Developer Kit users, featuring an 8-megapixel IMX219 sensor for enhanced imaging in tech projects. This camera works well for developers and hobbyists tackling computer vision tasks, such as AI-based surveillance or robotics, where a broad field of view helps capture more details in confined or wide spaces without needing multiple angles. 8-megapixel resolution of 3280 x 2464 for clear, detailed images 200-degree diagonal angle of view with less than 11% distortion for expansive coverage 1/4-inch CMOS sensor, F2.0 aperture, and 0.87mm focal length for versatile low-light performance Four screw holes for secure, easy mounting in custom setups Includes a 15-pin FFC cable for straightforward connection Provides 3.3V power output for simplified integration Compact dimensions of 25mm x 24mm and lightweight 17g design for space-efficient projects This camera fits those seeking a reliable, wide-angle option for Jetson Nano applications, offering practical features for everyday prototyping and development needs.

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The Waveshare Wide-Angle Camera is a compact accessory compatible with the NVIDIA Jetson Nano Developer Kit, featuring an 8-megapixel sensor for enhanced imaging in tech projects. This camera suits applications in computer vision, such as object detection in robotics or basic surveillance setups, where a wide field of view helps capture more details without needing complex adjustments. 8-megapixel IMX219 sensor for clear image capture in various lighting conditions. 77-degree diagonal angle of view with less than 1% distortion, ideal for broader scene coverage. Compact dimensions of 25mm x 24mm and lightweight at 12g, making it easy to integrate into small-scale projects. Includes 4 screw holes for secure attachment and a 15-pin FFC for straightforward connection. Provides 3.3V power output and supports infrared LED or fill flash connections for low-light scenarios. 1/4-inch CMOS sensor with a 2.96mm focal length and F2.0 aperture for reliable performance in edge computing tasks. This camera fits well for developers and hobbyists working on AI projects, offering practical compatibility and features for everyday use in embedded systems.

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The Waveshare Infrared Camera pairs with NVIDIA Jetson Nano Developer Kits for enhanced imaging in development projects. In scenarios like security monitoring or wildlife observation, this camera delivers reliable performance by capturing detailed images in low-light conditions, especially when paired with included infrared LEDs. 8-megapixel resolution with IMX219 sensor for sharp, high-quality captures Supports night vision through compatible infrared LEDs for effective low-light use Features a 77-degree diagonal field of view and minimal distortion for broad, accurate imaging Includes 4 screw holes and a 15-pin FFC for easy, secure mounting Provides a 3.3V power output for simple integration with additional components Compact dimensions of 25mm x 24mm and lightweight at 31g for versatile project setups This camera fits well in AI and computer vision projects for hobbyists and professionals seeking compatible, straightforward hardware solutions.

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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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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 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 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 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 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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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 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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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 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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