In order to help developers easily implement the AT command module into application, Raytac released AT command module Demo Board for quick development.
MDBT42Q AT Command Module Demo Board User Guide (Pls Click Me)
After AT Command Module, MDBT42Q-PAT, released, Raytac has received several feedback from developers about “How to read battery status through AT command?“
In order to help developers quickly set up the environment, the tutorial hereby is using a AT command DK board which deployed MDBT42Q-AT, to demonstrate how to work out this function.
First of all, the DK board schematic is provided in below for reference.
Raytac Corporation 