![arduino - Direct port manipulation gives random result: Delay necessary? - Electrical Engineering Stack Exchange arduino - Direct port manipulation gives random result: Delay necessary? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/xZKLG.jpg)
arduino - Direct port manipulation gives random result: Delay necessary? - Electrical Engineering Stack Exchange
GitHub - ArminJo/digitalWriteFast: Arduino library for faster and smaller digitalWrite(), digitalRead() and pinMode() functions using direct port manipulation for constant pin numbers.
![arduino - Direct port manipulation gives random result: Delay necessary? - Electrical Engineering Stack Exchange arduino - Direct port manipulation gives random result: Delay necessary? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/U7ZdE.jpg)