![voltage reference - Does AREF pin of ATMEGA series consume any current? - Electrical Engineering Stack Exchange voltage reference - Does AREF pin of ATMEGA series consume any current? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/jucr4.png)
voltage reference - Does AREF pin of ATMEGA series consume any current? - Electrical Engineering Stack Exchange
![Powering an Atmega328p through the USB VBus pin on a hobby PCB I'm making. Is it safe? What protections should I add?: a fuse? Polarity protection? : r/AskElectronics Powering an Atmega328p through the USB VBus pin on a hobby PCB I'm making. Is it safe? What protections should I add?: a fuse? Polarity protection? : r/AskElectronics](https://preview.redd.it/powering-an-atmega328p-through-the-usb-vbus-pin-on-a-hobby-v0-hvv5qygg2rfa1.png?auto=webp&s=41e684d9cf47201876bc3596083c9332c989ef92)
Powering an Atmega328p through the USB VBus pin on a hobby PCB I'm making. Is it safe? What protections should I add?: a fuse? Polarity protection? : r/AskElectronics
![atmega328p - Arduino/Atmega328: check if PIN is shorted to GND - Electrical Engineering Stack Exchange atmega328p - Arduino/Atmega328: check if PIN is shorted to GND - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/T044Z.png)
atmega328p - Arduino/Atmega328: check if PIN is shorted to GND - Electrical Engineering Stack Exchange
![AREF shows 0 volts at any configuration, whether internal 1.1V or Vcc - Microcontrollers - Arduino Forum AREF shows 0 volts at any configuration, whether internal 1.1V or Vcc - Microcontrollers - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/e/3/b/e3bacf30b1999ed45a310d61b473c4011745092f_2_1024x725.jpeg)