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“When designing RC Cars, Robots or any project that makes use of a motor it is essential to have to control the speed of the motor. For this you need a PWM motor controller, there are a ton on motor …
“Learn how to build a metal detector using a Colpitts oscillator and an Arduino. In the above circuit, the series capacitor and inductor form a tank circuit. In an ideal tank circuit, the electrical energy dissipated from the capacitor will …