This is essentially common named the monster shield that replace the popular l298n H-Bridge motor driver with a pair of VNH2SP30 a full bridge motor driver, this board is capable of driving a pair of high current motors. The VIN
OLED Voltage Meter on Voltage Divider
Another illustration that demonstrate the uses of Analog to measure the voltage of an external battery and integrate the area under the curve to arrive at the useful capacity of a battery mAH. If you’re going to calculate the desired