A W1209 Software for Cooling Food with a Peltier Element

A project log for W1209 Data Logging Thermostat

The W1209 thermostat is cheap, but it's about time that it learns new tricks!

ThomasThomas 02/03/2019 at 20:440 Comments

@paulcrawfordgm turned the W1209 Data Logging Thermostat into a cooling controller with a serial interface:

The project started here on HaD, continued with an STM8 eForth issue, and was completed in TG9541/W1209 issue #22.

Paul achieved the following:

The process of problem resolution and the Forth learning process worth reading!