Here is the final circuit I will use,the resistor and capacitor values give a time constant of about 0.5 sec –I’m sure many other values would work but I have these ones in my box.
I have added a pull down resistor on the reset line just to make sure it is low unless deliberately raised high. I will build this over the weekend.







[...] his final circuit,the resistor and capacitor values give a time constant of about 0.5 sec and he has added a pull [...]
[...] This post was mentioned on Twitter by Kimberley Nanson,James Taylor,John Crouchley,John Crouchley,Current Cost and others. Current Cost said:Have you seen what @jcrouchley has been up to? #currentcost connected to gas meter…http://bit.ly/6O1cRv [...]