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protaskin / AVRThermostat

A programmable thermostat on ATmega8A and DS18B20.
MIT License
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7segment #1

Closed sewer159 closed 4 years ago

sewer159 commented 4 years ago

Hi. Is it possible to easily change display with a common cathode on one with common anode?

protaskin commented 4 years ago

Hello!

Not without editing/rewriting the display "driver". And hardware-wise it would probably require using transistors to provide higher output anode currents.

https://github.com/protaskin/AVRThermostat/blob/master/Thermostat/display.c https://github.com/protaskin/AVRThermostat/blob/master/Thermostat/display.h