Laptop Computer Serial Port Power Booster


Posted on Sep 21, 2012

If you are looking at this page, you probably feel like I did when I tried to run a self-powered PIC programmer with my notebook computer. Yes, the serial port was the ultra-low-power type and wouldn`t provide enough current to power the programmer. The problem was clear and so was the solution. I could have modified the programmer to get the power from somewhere else, but in the future I½¾d crash with the same wall. I needed something to interface the low-power serial port to the hungry programmer.


Laptop Computer Serial Port Power Booster
Click here to download the full size of the above Circuit.




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