I've came up with this using opto-isolators to protect the PC: [IMG] (notes about this image: resistors need to be before the opto-isolator...
I've been advised in another forum ( :eeek: ) to try and get hold of a 16F84 series PIC. I am completely new to PICs and programmers, so I...
I've been trying to make a Visual Basic program that can communicate with a simple external circuit board with LEDs on. Initally I just want...
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