Following on from my recent posts I now have a LoPy4 with 2 x waterproof DS18x20 sensors (additional soil moisture sensor still to add) connected to a 2400mAh LiPO battery via a Pycom expansion board. The code works, passes data to TTN and Node-Red is working too.
Now I need to take the collection of stuff off my Pioneers Board and put it in a box (and potentially make a few more copies) so that I can deploy it (them) into the paddock(s).
Would you normally leave the expansion board in the final solution / box, or remove it and solder the sensors to a home made shield / directly to the LoPy4? If its normal to remove the expansion board, would it be sensible to use something like a Sunny Bunny LiPo/Solar charger in place of the charger thats on the expansion board?
As I see it, the expansion board is no good for me to permanently attach the sensors to and the only other thing it is doing is providing the battery charger / supply point.
Im wondering if it would be more power friendly & easier to remove the expansion board and make my own shield that I could connect headers to and solder the DS18x20’s directly to it, along with the replacement battery charger.
Connectivity to the LoPy down the road could be via the Wifi hotspot that I have not disabled.
Thoughts please guys.