In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Professorwiz wrote:

I had asked the question before about the leds in with the transistor and no resistor when I was playing with the stamp.  I'm basically following the schematic in the "What's a microcontroller" book page 265.  It was my understanding that the transistor would not be fully saturated therefor did not need a resistor.  In my drawing I just made an opps and had the leds the wrong way.

Thanks for catching my mistake!  I knew it was something foolish!

Russ

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