![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/original/4X/e/3/b/e3bacf30b1999ed45a310d61b473c4011745092f.jpeg)
AREF shows 0 volts at any configuration, whether internal 1.1V or Vcc - Microcontrollers - Arduino Forum
![A method of applying a precision reference voltage to an Arduino AREF pin, without accidentally blowing up the processor – Dangerous Prototypes A method of applying a precision reference voltage to an Arduino AREF pin, without accidentally blowing up the processor – Dangerous Prototypes](http://dangerousprototypes.com/wp-content/media/2013/12/ArefProtection-600x289.jpg)
A method of applying a precision reference voltage to an Arduino AREF pin, without accidentally blowing up the processor – Dangerous Prototypes
![Im new to arduinos so idunno if i destroyed a pin, during testing my led lamp for current i accidentally shorted the AREF and GND pins with a probe. i only set Im new to arduinos so idunno if i destroyed a pin, during testing my led lamp for current i accidentally shorted the AREF and GND pins with a probe. i only set](https://i.redd.it/61ssf4mp4qu71.jpg)
Im new to arduinos so idunno if i destroyed a pin, during testing my led lamp for current i accidentally shorted the AREF and GND pins with a probe. i only set
![NANO Expansion Prototype Shield I/O Extension Board Module AREF 3.3V Output with PWM pins for Arduino Nano V3.0|Instrument Parts & Accessories| - AliExpress NANO Expansion Prototype Shield I/O Extension Board Module AREF 3.3V Output with PWM pins for Arduino Nano V3.0|Instrument Parts & Accessories| - AliExpress](https://ae01.alicdn.com/kf/H6bf866c0615e41aba9d92ce532b1ab377/NANO-Expansion-Prototype-Shield-I-O-Extension-Board-Module-AREF-3-3V-Output-with-PWM-pins.jpg_Q90.jpg_.webp)