I wanted to run my NodeMCU board with a li-ion battery. How to use TP4056 safely with NodeMCU and monitor the battery status.
I am trying to build a pulse oximeter NodeMCU and Max30100 sensor.
I wanted to run my NodeMCU board with a li-ion battery. How to use TP4056 safely with NodeMCU and monitor the battery status.
I am trying to build a pulse oximeter NodeMCU and Max30100 sensor.