Hittade detta när jag kollade runt lite idag på lunchen
Acording to a 1-wire wizzard on a koi forum here in the netherlands you would need these parts to build a 1-wire PH sensor
pH-Sensor 7120B Vernier
http://www.vernier.com/accessories/acce ... basic.html
http://www.vernier.com/products/accessories/7120b/
electrode amplifier pH, Redox, mV
http://www.vernier.c...bes/ea-bta.html
http://www.vernier.com/products/sensors/ea-bta/
and the A/D converter from hobbyboards
The pin outs for the vernier parts are here: http://www.vernier.c...ecs/pinout.html
http://www.vernier.com/support/sensor-pinouts/
edit dom nedre länkarna funkar
Kan detta vara något för dig?
// Sonny