Date: 2009sep14
Q. How can I use an Arduino to control a 9V motor?
A.
There is a diagram on page 71 of the the "Getting Started" book
but no schematic so I made one:
Arduino IRF510 MOSFET
Digital Output --------------------------------------------- G
(eg #7)
+9V -----------+------ Motor ------+------------------------ D
| |
+------ |< ---------+
Diode
GND -------------------------------------------------------- S
I was not able to figure out how to control a device that had a high voltage.
ie one not supplied by the Arduino. If you know, maybe you can leave a
comment.
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