![]() PWM – PINs named “three”, “five”, “six”, “nine”, “ten”, “eleven” and “thirteen”.The default voltage is from 0 to 5 volts. These inputs are analog, but they can also be used in digital mode. Pins with connection to the ADC (A0-A5, A6-A11).There are pull-up resistors that are disabled by default but can be enabled if needed. The logic level for “zero” is 0 volts and for “one” is 5 volts. ![]() In the last case, a 5 or 3.3-volt power supply is opened. Depending on this parameter, the board switches to a more suitable power supply, or a level converter is applied. The task of the PIN is to decode the voltage information of the ATmega32u4. The upper limit of the operating current is 0,05 A. This approach can damage the board in case of voltage surges (connecting a stabilizer can solve this issue). Do not use this input to power the unit directly. The voltage is used for the microcontroller.
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