By popular demand - some more details about my Hot Tub Controller project.
See the post about my Hot Tub Controller.
Controller Source Code
Can be found on github - https://github.com/tedhale/hottub.git
You can pull it from this address using the git command, or just go to this address and click the "Download Zip" button.
[Add web interface source files]
Partial parts list:
I will update this as I dig up the details for more of the parts I used.
Waterproof Case with clear cover - https://www.adafruit.com/products/905
7-Segment LCD (I2C bus) - https://www.adafruit.com/products/761
There are many colors and a couple sizes
Pushbuttons - https://www.adafruit.com/products/481
Several colors available. They don't call these weatherproof but they seem to be pretty weather tolerant.
30A Relay (5V control) - http://www.mouser.com/Search/ProductDetail.aspx?R=JTN1AS-TMP-F-DC5V
10A Relay (5V control) - http://www.mouser.com/Search/ProductDetail.aspx?R=G5CA-1A-TP-E_DC5
Waterproof Enclosure - http://www.mouser.com/Search/ProductDetail.aspx?R=1554E2GY
for relays inside hot tub
Cable Gland (for running cable into waterproof box) - https://www.adafruit.com/products/761
40 pin GPIO connector - https://www.adafruit.com/products/1979