The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 c
![Why Knowing the Pin Configuration of the Microcontroller (Arduino Uno) is Critical for Your IoT Projects | by Sony Alfathani | Medium Why Knowing the Pin Configuration of the Microcontroller (Arduino Uno) is Critical for Your IoT Projects | by Sony Alfathani | Medium](https://miro.medium.com/v2/resize:fit:593/1*2kDu7cwj3kPgmUFQiLmduQ.png)
Why Knowing the Pin Configuration of the Microcontroller (Arduino Uno) is Critical for Your IoT Projects | by Sony Alfathani | Medium
![Pin Labels for ATmega328! I find it extremely useful to be able to see what Arduino pin you are connecting to without having to dig out some diagram. (word document download in Pin Labels for ATmega328! I find it extremely useful to be able to see what Arduino pin you are connecting to without having to dig out some diagram. (word document download in](https://preview.redd.it/444ebtt501r41.jpg?auto=webp&s=39785bee32323a32a9a58eeee0545dcac976cc40)
Pin Labels for ATmega328! I find it extremely useful to be able to see what Arduino pin you are connecting to without having to dig out some diagram. (word document download in
![The Pin out diagram and function of atmega328 microcontroller | Arduino, Cool arduino projects, Microcontrollers The Pin out diagram and function of atmega328 microcontroller | Arduino, Cool arduino projects, Microcontrollers](https://i.pinimg.com/736x/a2/c5/49/a2c549c631b9e7def9dd8a6b159e536d.jpg)