Archive for the ‘PIC’ Category

PCB service

Sunday, November 9th, 2008

Futurlec has some really cheap prices on PCB manufacturing. I might have to try them out for my next project.

Futurlec PCB Service

Lessons in Electric Circuits

Wednesday, May 7th, 2008

http://www.ibiblio.org/kuphaldt/electricCircuits/

Baud rate calculator

Monday, April 28th, 2008

I found this handy page for calculating clock speeds for accurate baud rates.

http://www.wormfood.net/avrbaudcalc.php

1-Wire Adapter

Wednesday, June 20th, 2007

I ran across this schematic for a simple 1-wire serial adapter.

1wire-adapter.gif 1wire-adapter-9.png
25-pin 9-pin

Update

I built one of these adapters and am using it to monitor 3 DS18S20 temperature sensors in my home using cacti.

house_temperatures.png