This is where I document some of the projects that I am working on.
Status: Being Tested, Last Updated: 14 Nov 2020
Simple boards to allow distributing either plug pack or USB power to multiple ESP sensor boards.
Status: Under Development, Last Updated: 14 Nov 2020
A fully isolated rig interface unit for Echolink, FreeDV/Codec2 and other digital modes. It requires just a single USB cable from the PC to the interface and a single data cable from the interface to the data port which is available on most modern rigs.
Status: Under Development, Last Updated: 14 Nov 2020
An ESP8266 based wifi motion sensor with RGB indicator LED, incorporating 2x normally open inputs and
a temperature sensor.
Status: Under Development, Last Updated: 14 Nov 2020
An ESP8266 based wifi motion sensor with RGB indicator LED, incorporating 2x normally open
inputs, temperature, luminance, pressure, humidity and (optionally) noxious-gas sensors.
Status: Completed, Last Updated: 24 Jan 2013
This project is a serial IO / breakout daughter-board for the Rasberry Pi that includes a 7-30v wide range power supply, RS-232 compliant interface and 6 GPIO signal pins with optional 5v level shifter.