ANDROID Automotive Volume control knob

BIY ( build it youself ), Control your Android Car radio screen with a REAL control knob, not just touch screen.

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Using an ATMega328 or any Arduino Uno or the like control the volume of your Android Automotive Radio screen.
Build it with only 3 IC's, U1 and Arduino ( ATMega328), U2 an 74HC14 SCHMITT trigger hex inverter and U3 a CD4066 or 4016 Quad Bi-lateral switch IC.

Visit Youtube
https://www.youtube.com/watch?v=dR6vM4ohU5A&ab_channel=DanielRoss

for Arduino code visit Instructables here.
https://www.instructables.com/Volume-Control-Knob-for-Your-Android-Automotive-To/