Crowtail- Voltage Sensor 2.0https://www.elecrow.com/crowtail-voltage-sensor.html The Crowtail- Voltage Sensor module designed on the basis of the input voltage is not greater than 5 V x 5 = 25 V (if use 3.3 V system, the input voltage is not greater than 3.3 Vx5 = 16.5 V).Because the Aduino using AVR chip for 10 AD, so this module s
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Hello @cooljack ,
I‘m sorry you there's no method to read the battery voltage directly
Okay and Is there a non-direct way to measure the battery voltage? is there an available adac pin?
Hello @cooljack ,
You can connect a voltage measurement circuit or module to GPIO_D port.
Crowtail- Voltage Sensor 2.0
https://www.elecrow.com/crowtail-voltage-sensor.htmlThe pin number of GPIO_D port is IO25, you can use it as an ADC port.