This contains the hardware designs of the OpenFFBoard

ZSWatch - the Open Source Zephyr™ based Smartwatch, including both HW and FW.

Converts hexadecimal data stored on FDX-B microchips to human readable information.

An Arduino library to interface the Avia Semiconductor HX711 24-Bit Analog-to-Digital Converter (ADC) for Weight Scales.

USB-C adapter for Nordic's Power Profiler Kit II. Ideal for easily measuring the current drawn by a device/board.

A 6 degrees of freedom mouse for CAD programs using cheap linear hall effect sensors for position measurement

Using ESP32-P4 with EK79007 to test LVGL and MIPI-DSI for ESP32-P4-Function-EV-Board V1.4

A snes9x port running on the ESP32 (S3/P4) based on retro-go

ISO 11784/11785 FDX-B 134.2kHz RFID protocol decoder for sigrok

Emulating NFC Tags on the CH32V003

Arduino FDX-B reader built from discrete components.

Diy Linear Motor

Connect to a Wiimote and get its X, Y, Z and Pitch, Yaw, Roll using a 3 LED sensor bar. It only sort of works, please go away.

USB HID RFID Reader Writer USB HID 125Khz RFID Reader/Writer capable of reading RFID tag's ids and copy/duplicate them using EM4305 or T5577 re-writable transponders.

Catfeeder for 2 cats, different diet, works with RFID 134.2 KHz (Pet chip), ESP32

FDX-B (pet microchip) and EM4100 RFID Reader for ESP32

An Adafruit GFX Compatible Library for the ESP32, ESP32-S2, ESP32-S3 to drive HUB75 LED matrix panels using DMA for high refresh rates. Supports panel chaining.

Haptic input knob with software-defined endstops and virtual detents

Compact closed-loop stepper motor driver designed for NEMA motors

Mobile ALOHA: Learning Bimanual Mobile Manipulation with Low-Cost Whole-Body Teleoperation

Arduino Receiver for Apple Remote – acts as a usb-keyboard

Simple library

Arduino MIPI DSI Shield

Arduino library to support the VL53L8CX low-power high-performance 8x8 multizone Time-of-Flight sensor (ToF)

Example of ESP32-C3 (rev. 3 and later) "direct boot" feature.

vending machine base CH552 USB-CDC control module