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Firmware for mechatronic radiator thermostats based on Atmel AVR microcontroller, written in C. Made in Germany by Eurotronic Technology GmbH, several product models (Sparmatic Comet / Zero / Basic, Aldi Thermy) are based on similar hardware.

The aim is to create firmware supporting all hardware features, allowing further development of control algorithms and additional wireless communications, improving and surpassing the original features.

Documentation in German http://www.mikrocontroller.net/articles/Sparmatic_Heizungsthermostate (translation: http://translate.google.com/translate?sl=de&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwww.mikrocontroller.net%2Farticles%2FSparmatic_Heizungsthermostate&act=url ) Discussion in German http://www.mikrocontroller.net/topic/237375

WORK IN PROGRESS: it may not be working. Please see log. USE AT YOUR OWN RISK.

Microcontroller: Atmel AVR ATmega169PV @ 1 MHz (internal RC oscillator), 32 Khz crystal Supply: 2 AA alkaline batteries Valve actuator: brushed DC motor controlled by discrete H-bridge, optical tacho Display: Segment LCD (4 chars/digits and symbols) driven by ATmega169 internal LCD controller Input: 5 keys or 3 keys and "scroll" wheel Temp.-sens.: NTC internal

Original notes below (https://github.com/NerdyProjects/sparmatic-zero)

sparmatic-zero

my development sources of sparmatic zero. As of 10/2012 I do not plan any more development. There is just basic functionality implemented.

See git log for information.

License: Everything done by myself is published under GPLv2. Be careful! There may be some code not done by me. (Bootloader snippets from mikrocontroller.net, nRF24L01 Code from MIRF Project and r0cket, eventually some more)

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Firmware for Eurotronic Sparmatic mechatronic radiator thermostats (2011 models: Zero, Comet, Aldi Thermy). Work in progress. No warranty.

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