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On/Off Controller Using A Touch LCD with ATMega

Posted September 1, 2012 by Chris

“An on-off controller is the simplest form of a temperature control device. The output from the device is either on or off, with no middle state. This on-off controller will switch the output only when the temperature crosses the set-point. For heating control, the output is on when the temperature is below the set-point, and off above set-point.”

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