Features :
- charge battery
- decharge battery
- measure capacity
- log in Redis
- use dashboard for monitoring and control
https://os.mbed.com/users/anti007/code/INA3221/file/156866acc5e4/INA3221.h/ https://forum.arduino.cc/t/fixing-the-ina3221-breakout-board/526947 https://www.youtube.com/watch?v=EjGhbiudRgg