Achieve three functions through the switch or button switch: ○ 1 use A/D converter chip 0809 will provide an analog potentiometer W1 converted into digital and display ○ 2 the D/A converter chip 0832 microcontroller output to digital conversion for analog output and display ○ 3 W1 use analog potentiometers provided by the 0809 microcontroller and 0832 conversion and amplified to drive DC motors, motor speed to achieve.

Analog DC motor speed control experiments.doc

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