In SX Microcontrollers, SX/B Compiler and SX-Key Tool, capdiamont wrote:

In my quest to see why I'm failing my DS1307 project. I decided to do a LED flasher. I had a two pack of dual color LED's. I used one, then couldn't resist making it multi colored. It simply turns on one side, pauses, turns on the other side, turns off the 1st side, pauses, turns off 2nd side, pauses, then repeats. This code uses the 4MHZ internal clock, works perfectly, self starts, pretty, and keeps going, and going..... with no problems.

However if I try running it off the external clock, it stops after a little bit. Sigh.

As it is, it is complete, so enjoy.

Oh, I forgot, wiring.

Center pin of LED goes to VDD.
Outside pins of LED each go through their own 470 ohm resistor to RB.0 or RB.1. I'm using 1/2 watt resistors, just because that is what Radio Shack had. Should be able to use 1/4 watt resistors.

I think I'll leave it running all night. Nice to have it running.

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