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...
Scotty from Strange Parts on youtube made a video named "How I Made My Own iPhone - in China" back in april 2017. Being an electronic enthusiast myself I was quite hooked on his idea and enjoyed all the way through the 23 minute video. Needless to say the whole project idea is technically stolen from a YouTube video as you can see. Anyways I wanted to build a device of my own using only replacement parts from a parts store like Scotty used in his video , but China was and still is 3,914 km away from where I live. Luckily , online substitutes to the local chinese market is as common as replacement parts for apple devices !. So I headed over to AliExpress , home to thousands of independent sellers selling both quality and dodgy electronic parts, with the latter being a common sight. Starting things off I searched for various types of components , giving priority to device mainboards , mainly. The entire online store was filled with apple replacement parts , which is obvio...
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