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Climate Control with Arduino Nano for a Peugeot 406 !
My friend's car had a cabin air temperature sensor malfunction and the A/C unit kept the compressor on all the time ! That is bad for fuel economy and freezes everything in the car when outside temperature is not that high , so this is a quick 1-day project we did to control the A/C compressor according to the cabin temperature. Simply put , a sensor reads the air temperature and turns off the A/C compressor when a set temperature("Set Temp") is reached , it turns the compressor back on if the sensor reads a temperature that is more than two degrees higher than the "Set Temp" . The set temperature is set using two push buttons (Up/Down) . At the heart of the system is an Arduino Nano which controls a relay which in turn controls the A/C compressor. Welcome message on the LCD display ! Loads of hot glue of course ! :D Quick and dirty circuit ! No custom PCBs for 1-day projects xD Up/Down Buttons Hides nicely in a comfy spot :P Watch the video to see it in actio...
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