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RC5 IR remote decoder using 12 LEDs (from seb)
Bill,
I used the information at: http://wiki.altium.com/display/ADOH/...ssion+Protocol to build a model for the remote control, and it sends that bit stream in the sim I've attached. I've also simulated the circuit you mentioned using a variable modulus counter and a shift register and latch to grab and store the data. I don't have an HC595 SPICE model so I used '164's and '273's instead. It looks like everything works well, but the sim is very slow... it takes a few hours to get to finally latch the 12 bits. Just for fun I drew a schematic showing the '595's and it's attached as well. If you're actually going to build this thing, there are quite a few 16 bit constant-current shift-register-latch-LED drivers out there you could substitute for the '595's. Enjoy! -- JF |
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