ESPclock is a smart digital WiFi clock based upon ESP32/ESP8266 and TM1637/TM1652 display.

Transmit a video stream to a PAL analog TV using low-frequency PWM

CH32V003F4U6 Core Board

CH570 is the world’s cheapest RISC-V 2.4GHz wireless & USB2 SoC, costing just about a dime (10 cents)!

Open source code base for ARM Cortex M3 LPC1347 or Cortex M0 LPC11U37/LPC11U24 MCUs

USB-capable Development Board for the CH32V003 microcontroller

ESP32 library for SK6812 based RGBW (4-channel) LEDs

Wokwi Feature requests & Bug Reports

CH32V003 PCF8563 WS2812B learning project.

Arduino Low Power library for STM32

Cheap Crappy Constant Current Portable Programmable Power Supply

A generic breakout board for TSSOP20 chips to a SIP header meant for breadboard use

'Forest Trader' game for the atttiny-arcade

An Arduino sketch that is able to do high-voltage programming in order to resurrect bricked AVR MCUs (you need a bit of HW on a breadboard or some special Arduino shields as well)

An Arduino-based debugWIRE hardware-debugger

Board Package for Logic Green LGT8F328P LGT8F328D and LGT8F88D

Clock which uses E-ink panels as separate digits

Experiments with a 9-character 16-segment alphanumeric LCD

macOS, linux, windows: Natively sharing files - port 80 is shared

A versatile "No Load" 8 LED Digital Signal status monitor / a STM8 Microcontroller board / a LED Scanner / a LED Dice etc.

CH32 Risc-V for Arduino IDE

Arduino library for debouncing momentary contact switches, detect press, release, long press and sequences with event definitions and callbacks.

Firmware for CH32V003 that's compilable with standard, open-source RISC-V GCC.

A replacement PCB board for common 4 digit 7 segment LCD kitchen timers.