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  1. londonlad
    I've just started playing around with my msp430 ez-2013 that my uncle gave me a while back (I've been too busy with school and whatnot until now ) and am trying to use the ez-2013 to control a transistor that will flash an externally powered LED. So far I've had no luck with it. I'm using a 2n222 transistor with a 10k ohm resistor from P1.0 on the ez-2013 to the base and a 10k ohm resistor on the emitter, with the anode of the LED attatched to the collector and the cathode attached to +6V. The resistor on the emitter is attached to ground. The led is powered seperately from the microcontroller (the MC is powered by USB) and the led/transistor is powered by 4 AA batteries. The transistor does work (the LED lights up when i connect the base to +6V) but does not turn on when attatched to the MC. I am just using the "Flashing the LED" program to eliminate the possibility of coding error. Is there something that I've done wrong, something I'm missing/have overlooked? Does the MC have to be powered by the same source as the LED or something in order for it to work? Would appreciate some help with my noob problem! Thanks in advance! Londonlad PS I attatched a photo of the setup, might provide some help in figuring out what I've done (wrong)
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