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 D/A converter keypad dc motor control		  New Topic  Reply to Topic
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abicash
New Member

India
1 Posts
Posted - Sep 15 2006 :  12:08:45 AM  Show Profile  Send abicash a Yahoo! Message  Reply with Quote
looking for following
1. Want to control speed of 12v/100ma dc motor.
2. 3nos thumbwheel switches set decimal count 000-999 where 999=12v.
3. Corresponding voltage is fed to motor after a start push 2 on switch is pressed.
I can drive the motor by transistors or pwm but dont know anything bout d/a conversion.
Anyone ?

Aaron Cake
Administrator

Canada
6718 Posts
Posted - Sep 15 2006 :  3:45:36 PM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
Microcontroller that looks at the input from the switch and then does PWM on an output to control the motor.
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