Why does setting a digital pin to an input make one of a set of analogue pins into a digital input (Arduino Uno, analog read)? - Quora
![5V to 3.3V logic level translation/conversion/shifting: how to interface a 5V output to a 3.3V input. – next-hack.com 5V to 3.3V logic level translation/conversion/shifting: how to interface a 5V output to a 3.3V input. – next-hack.com](https://next-hack.com/wp-content/uploads/2017/09/A5I0.png)
5V to 3.3V logic level translation/conversion/shifting: how to interface a 5V output to a 3.3V input. – next-hack.com
![I don't get why the LED is still going when port 13 is set to high. If anyone could explain that would be great! :) : r/arduino I don't get why the LED is still going when port 13 is set to high. If anyone could explain that would be great! :) : r/arduino](https://preview.redd.it/i-dont-get-why-the-led-is-still-going-when-port-13-is-set-v0-lgb6m1enol7b1.png?width=911&format=png&auto=webp&s=49702ad6370eb03c9c2423e662526be4d184c8dc)
I don't get why the LED is still going when port 13 is set to high. If anyone could explain that would be great! :) : r/arduino
![arduino mega - ArduinoMEGA: 64 digital inputs cause random digitalRead values - Arduino Stack Exchange arduino mega - ArduinoMEGA: 64 digital inputs cause random digitalRead values - Arduino Stack Exchange](https://i.stack.imgur.com/E57Se.jpg)