October 2010 (2)

Monday, October 11 2010

Composite video output modification for ZX81

ZX81-Composite.jpg, juin 2021

  Here is a very simple ZX81 modification to replace the ugly modulated video output by a composite video signal. I tried several modications from the WEB, but due to special video standard in France, none of them was successful on the ZX81. So, here is my own adaptation. If it works for me, it  […]

Continue reading

Friday, October 1 2010

Arduino based thermostat

ThermostatClosed.jpg, juin 2021

Here is an "easy to make" Thermostat. The goal was to replace an existing non working thermostat on a heat accumulation panel. Instead of buying a new one I decided to make my own. The goal was to use basic electronic parts, to be cheap, fun to make and of course safe. It is mainly based  […]

Continue reading