Wednesday, July 3, 2013

Easy DC Motor Controller

Here are the parts you'll need. All of them should be available at your local RadioShack or hobby store.

(1) DC motor

(4) MOSFET transistors. I used the IRF540N, but any N-channel MOSFET will do.
(4) Diodes

(2) NPN bipolar transistors. I used the BC548.

(2) PNP bipolar transistors. I used the BC327.

(4) 2200 ohm resistors (red-red-red)

(4) 10K ohm resistors (brown-black-orange)

Some jumper wires and a breadboard, if desired

The resistor values are not critical. Values that are fairly close will most likely work fine. Also, If you are confused about the pins on your transistors, take a look at this wonderful reference sheet from Adafruit: http://www.adafruit.com/adablog/wp-content/uploads/2012/03/electronics-reference-sheet.jpg


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