A library of Parts for FreeCAD. WARNING - This library is huge. It might take a long time to download and make the addons manager unresponsive for many minutes.

A simple and easy Arduino / Pi Pico / ESP8266-powered WSPR, FT8, and FT4 beacon system which uses NTP + DS3231 RTC for timing. Super extensible! Now comes with optional GPS support.

evilsocket.github.io files

Templates for KiCAD

Si5351-Module-Clone with low PPM TCXO! Drop-in replacement for the Adafruit's Si5351 module. 3.3v ONLY!

Easy Digital 'FT8' Transceiver. Easy-Transceiver v0.01.

QRP RF Power + SWR meter. Fork of https://g8gyw.github.io/ work.

RF "Lego" blocks. Quite-Linear HF broadband RF amplifier experiments for higher bands.

Easy-Beacons project adapted for STEM education. Powered by Raspberry Pi Pico (W) boards. WSPR + FT8 beacons for science (TM).

VU3CER's non-RF-sensing, MCU controlled Simple T/R Switch with RX Grounding!

A watering system controller based on an ESP32 MCU to schedule triggering of 12V Pumps and Valves and control via a webinterface

Responsive Web Design Project's, Tutorials & Learning

Unified Bus Pirate documentation using Hugo static site generator