hamada 0 Posted April 11, 2016 Share Posted April 11, 2016 Hello, I'm trying to control a 3v dc motor from msp430 launchpad connect by USB cable with array of darlington transistors circuit known as ULN2003 (data sheet in attachement) in the picture below, I replaced the motor with red LED to protect the chip while testing. but I can't light it is 3v not enough to power the ULN2003? ULN2003.pdf Quote Link to post Share on other sites
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