Pin 2 on the Arduino schematic is really GPIO2 on the NINA, therefore it should not be labeled GPIO34. This is confirmed by the fact that the pin numbering on the Arduino schematic matches the pin ...

A simple example of using Arduino basic GPIO pin HIGH and LOW to switch on and off some cheap Chinese red lasers. This demonstrates the most simple aspect of any microcontroller - being able to turn a ...

Learning electronics? Then, chances are you already know what an Arduino is, or at the very least, you've heard of it. After all, it's among the most popular electronics platforms available in the ...