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By Feuerwurm
#191199
Hi,

I want to wire several moduls onto my Tennsy 3.2 (3.3v)
The modules would be are g3, GPS, SD card and the SparkFun OBD-II UART
All of these modules should be power off of a 3.7v lipo. The lipo should be charged by a 5v lipo charger powered off of the 12v OBD-II board
How can i drain 12v from SparkFun OBD-II UART? Am i right to wire VBAT and GND over TSR 1-2450 onto the lipo charger?

Thank YOU
Chris