The Arduino Opta micro programmable logic controller (PLC) provides a unique entry point into the automation field. Automation fields like smart homes, process controls, and robotics are project areas ...
This project controls the speed and direction of a DC motor using an Arduino, a potentiometer, and two push buttons. It requires an L293D motor driver IC to function. Functionality โ This program ...
// SPEED=1..20 maps to PWM duty via a geometric curve from MIN_DUTY (s=1) to 255 (s=20). // SPEED=0 stops the motor. Stopped -> running triggers a 10s full-duty cold start. const int MIN_DUTY = 42; // ...
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