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Is there a way to monitor the +VIN voltage in Nano? - Installation & Troubleshooting - Arduino Forum
What is the easiest way to power an Arduino Nano from a battery (preferably using the 5V micro USB jack)? - Quora
![Am I doing something wrong here? I thought that "VIN" pins served the same function as USB connections to a computer (power-wise that is), but I pumped 3.3V into my Nano 33 Am I doing something wrong here? I thought that "VIN" pins served the same function as USB connections to a computer (power-wise that is), but I pumped 3.3V into my Nano 33](https://i.redd.it/zltfr047r1d71.jpg)
Am I doing something wrong here? I thought that "VIN" pins served the same function as USB connections to a computer (power-wise that is), but I pumped 3.3V into my Nano 33
![Arduino nano and IO shield - really basic stuff; just how to plug in power to IO - General Electronics - Arduino Forum Arduino nano and IO shield - really basic stuff; just how to plug in power to IO - General Electronics - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/7/d/c/7dc3a60b570387c9b9bdd5b661f3dfa7893ebaae.png)