Use theBrewblox 1-Wire and GPIO module as an expansion board

Hardware
1

Hi.
My tanks are big and they will be away from the electric cabinet… More than 2.5m away. Which brings my question.
If it is powered up, may I usee the GPIO module as an expansion board ? Or the other option is to find a 5m long onewire thermometer. But my question is still valid since I may need to put the spark screen far away from the ssr…
I am not sure I am clear. Is the GPIO module able to work away from the main spark module?
Thanks
Antoine

2

The pins are sensitive to timing, so a cable of more than ~20cm will run into issues.
It may be preferable to attach a screen to a Pi, and use that for display purposes while the Spark is mounted close to the tanks.

3

Hi Bon,
Thanks for the answer.
And is it possible to have extra long onewire thermometer ? About 5m ?

4

Yes, but you’ll have to extend the cable yourself. You can patch the cable, or get a RJ11 extender at amazon/your local electronics store.

5

Thanks for the answers