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LED tachometer

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zachtheterrible

Active Member
Hi everybody, believe it or not I've finally figured out how to program my PICs and have learned assembly language (to some extent:D ). I still haven't finished my book that I bought by John Morton I think is the name.

This project is way over my head as you will soon find out when you look at my .asm, but I had a day off work and was bored. The PIC I'm using is a PIC16F54, which is so far the only PIC I've ever used, I'm aware that its outdated. I know that there is probably a far simpler way of doing this, but I'd rather not worry about that right now as this is more of a learning experience for me. We'll get to that later:D

Basically, this program takes an input on RB7 which will somehow be hooked up to my truck to count the revolutions. I'll give it a nice clean input when I make the circuit, but thats beside the point right now. There will be 28 LEDs, and I will use RA0-RA3 to strobe RB0-RB6, which will be connected to the 28 LEDs

The program should be pretty self-explanitory for you pros, but please ask questions!

Unfortunately I couldn't upload the .asm file so i saved it as .doc
 

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  • rev counter.txt
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