This is a device that may be useful for solving the problem of reducing electricity usage. Even though we think that electricity is a clean alternative to fuel vehicles, we often tend to forget that ...
Ultrasonic Sensor 1: VCC ----- 5V GND ----- GND TRIG ----- Pin 9 ECHO ----- Pin 10 Ultrasonic Sensor 2: VCC ----- 5V GND ----- GND TRIG ----- Pin 11 ECHO ...
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