Stereo PWM audio

admin — Fri, 10 Oct 2008 15:48:32 +0000

Using a pwm channel of a simple microcontroller, a capacitor and a resistor to reproducting sounds.

DC motor speed control using PWM

admin — Wed, 25 Jun 2008 19:20:34 +0000

DC motor speed control based on PIC16F867.

The circuit is using PWM with frequency about 10kHz, which does not make a noise in the motor. This project can drive motor with 1A current without heat. The motor speed is controlled by potentiometer which is connected to ADC input of PIC16F867.

µ[micro]electronics info - PWM

Stereo PWM audio

DC motor speed control using PWM