A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.
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Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.
PWM
Stereo PWM audio
10. October 2008 - 16:48 — adminUsing a pwm channel of a simple microcontroller, a capacitor and a resistor to reproducting sounds.
DC motor speed control using PWM
25. June 2008 - 20:20 — adminDC 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.
