@qeteshpony

Arduino Uno compatible shield for testing functionality of a FP2800A

Small passive device for determining the capabilities of a USB-C Cable

Translate signals from a phone rotary dial to serial data

Simple current probe to measure current with an oscilloscope

Turning an old analog doorbell into a smart one...

Custom controller for IKEA FLOALT LED panels

WiFi Module for TwinBus Intercom and ESPHome

7-Segment Display with 4 blocks of 2x4 digits

Power supply board for solderless breadboards

Simple device to switch one audio source between two outputs

Rebooting a device that refuses to reboot

5V power supply monitor

Control and monitor up to three PWM fans with an ESP32

Mitsubishi CN105 compatible heatpump controller for ESPHome and Home Assistant

Replacement controller for a Lawo Luminator Flipdot Display

Raspberry Pi Hat for a GPS driven NTP-Server

Single board solution to power an ESP32 and use it to measure the mains frequency through an optoisolator

Small controller for 2-color LED Bars

Raspberry Pi Pico W powered device to scan NFC-Badges and show a status on display

Universal WiFi-Based remote control for IoT Devices