Sparmatic

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Project: Sparmatic
Members

Opened sparmatic with ISP connector

Sparmatic is a thermostat that is relatively cheap and quite easy to mod. It costs from 13 to 25 EUR. It contains a simple AVR ATmega169/ATmega169PA. However, as there are different microcontrollers mentioned in the last sentence, there are several revisions of the device.

Alternative Firmware

We are currently writing an alternative Firmware for one one of these revisions. You can get it by cloning this git repository:

git clone http://www.0x53a.de/git/sparmatic

Features

• Motor control:
  • Readout of the motor's rotation sensor (and counting)
  • Current measuring and automatic switch-off
  • return to home
• Readout of the temperature sensor
• LCD
  • only Bargraph

Planned Features

• LCD
  • Almost anything
• Onewire slave support
• Buttons & Rotary encoder
• Temperature sensor value to temperature conversion or at least some limits
• An actual temperature controller (maybe ;) )