John Crouchley’s been beavering away and has been writing about his new project – connecting his gas meter to the Current Cost Envi. By doing this John has been able to track his electricity and gas usage and been publishing online his gas use as well as electricity to Pachube via Arduino.

In his  final circuit, the resistor and capacitor values give a time constant of about 0.5 sec and he has added a pull down resistor on the reset line just to make sure it is low unless deliberately increased.

Once he had built the circuit and connected, John simply fixed the reed switch to the meter and board with the Current Cost development board and two AA batteries into small container. To see it all click here.