Multi-standard 27W mobile charging

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PF8121 Power Management IC Evaluation Board

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Active Bridge Rectifier Controller Demonstration Board

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SD/SIM Level Converter Evaluation Board

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PCA85263ATL-ARD Evaluation Board

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MC68HC908JW32 Evaluation Kit Hardware/Software Example

The KITUSBSPIEVME evaluation kit is an available hardware/software example that allows users to become familiar with the MC68HC908JW32 through practical applications, USB to SPI and USB to parallel converters. The main function of this demo board is to support a PC without a parallel port, which can communicate with other NXP evaluation boards through the USB port. USB ports are a standard feature on almost every new PC. The kit utilizes the MC68HC908JW32's built-in USB, SPI and parallel ports.

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PTN5150A-PTN36043 USB Type-C CC Logic Evaluation Kit

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PTN5110 Type-C Demonstration Kit

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MC33664ATL Isolated Network High Speed ​​Transceiver Evaluation Board

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Display of cool effects of 448 digital tubes simulating water flow

Kinetic Digits is a mechanical flipping digital display, consisting of 448 7-segment digital tubes, simulating the effect of water flow. For various effects, it can be produced with the help of the provided host computer.

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Zhihuijun's new work: Hanwen smart keyboard with FOC force feedback knob, multi-function, modular mechanical keyboard (schematic, firmware, etc.)

The keyboard uses a modular design. The multi-functional scene interaction module on the left can be replaced with various custom components. By default, a Dynamic component with an e-ink screen and FOC force feedback knob is used; the keyboard body uses a shift register method to implement the key scanning circuit; The module and keyboard body can be used alone, or they can communicate and call each other through the serial port protocol.

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Software and hardware open source portable monitor CatSniffer (schematic diagram, PCB, source code, etc.)

This board is a Swiss Army Knife for IoT security researchers, developers, and enthusiasts. The board can be used with different types of software, including third-party sniffers such as SmartRF Packet Sniffer, Sniffle, zigbee2mqtt, Z-Stack-firmware, Ubiqua Protocol Analyzer, our custom firmware, or you can even Specific software requires writing your own software.

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Make a USB-C power supply (understand the principles of USB-PD in depth, including schematics and English design instructions, etc.)

A simple power supply design based on USB-PD, USB-PD allows to provide voltage up to 20V (current up to 5A), the author shared his design details, you can have an in-depth understanding of the working principle of USB-PD.

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Tah: Arduino-compatible BLE platform, which can be used as beacons, microcontrollers and HID devices (including schematics, source code, etc.)

Tah - Control anything from your smartphone, open source, Arduino-compatible Bluetooth Low Energy (BLE) platform that can be used as a beacon, microcontroller, and HID device.

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Novena: an open source computer based on Freescale and Xilinx FPGA, designed for use as a desktop, laptop or standalone board

Novena is a 1.2GHz, Freescale quad-core ARM architecture computer tightly coupled with Xilinx FPGA. It is designed for users who care about free software and open source, and/or want to modify and extend their hardware: all documentation for the PCB is open and freely downloadable, the entire operating system can be built from source, and it Comes with a variety of features that facilitate rapid prototyping.

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snapVCC: 3.3/5 V ultra-efficient voltage regulator that mounts directly on your 9 V battery (schematic, PCB, etc. included)

snapVCC is a highly portable and convenient power supply for your electronics projects. It's designed to fit a 9V battery and provide you with 3.3V or 5V power wherever you need it. What can you do with snapVCC? Many circuits require a regulated 3.3 or 5 volt power supply. 9V batteries are an easily available power option. A common method of using a 9V battery to power a circuit is to use a linear regulator IC circuit to step down the voltage.

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Numato Opsis: FPGA-based open video platform

Numato Opsis is a powerful new FPGA-based open source video platform for videographers and visual artists. Opsis boards are designed to give users complete control over high-speed video, supporting everything from live meeting capture solutions to experimental visual art and even general FPGA-based video research.

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Maker LED Display: Arduino programmable and internet-connected LED matrix display

Maker LED displays make using LED matrix displays easy. The ready-to-use, fully assembled circuit board has everything you need to run your monitor - just plug it in! Using and customizing the display is easy, with a specially written Arduino library and a dozen pre-made examples. The Maker LED display also has Wi-Fi so it can connect to the Internet to retrieve and display information. Choose between 32 x 9 pixel or 64 x 9 pixel versions and select LED color: white, blue, red, green, orange or violet.

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Nixie Tap: Minimalist Wi-Fi Nixie Clock

Nixie Tap is a compact and simple Nixie clock. It's powered via a micro USB connector, so you can power it from any USB port or an old phone charger. It also has Wi-Fi, so it can automatically synchronize with an NTP time server once connected to a wireless network. We made the Nixie Tap look good on our desks, and we hope it looks good on yours.

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HealthyPi v4 - Unplugged: Wireless, wearable, open source vital signs monitor powered by ESP32

Reliable health monitoring has traditionally required us to tether ourselves to machines that record our vital signs around the clock. However, outside of clinical settings this is rarely practical. We developed HealthyPi v4 in part to address this challenge. Building on its predecessor, HealthyPi v4 is a fully open source standalone vital signs monitor with wireless and wearable capabilities.

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