Recent content by GenericEvilGenius

Perfect! I wasn't aware that the serial in pin was constantly scanning for new input, that explains a lot. Pulling it to ground seems to have fixed everything. I'll also take your advice re: decoupling capacitors to heat too. Thanks for providing me a valuable teaching moment.

Thanks for the suggestions, since i'm an enthusiast I expected it might be something fairly remedial that I'm missing. I'll try these suggestions after work and let you know if it helps. Thanks again for the help and your patience.

So I have a test circuit that consists of 16 LEDs, driven by a pair of 74hc595N shift registers, and controlled by an 18M2. It works perfectly, but when I try changing the 18M2 to an 08M2 (since my application doesn't need that many pins) the whole thing fails (LED's either won't light up, or...