A built-in user LED is also available on Pin 13. Figure 4 shows the full pinout of the Arduino Nano RP2040 Connect board, which is also available with header pins pre-installed. Pin layout is ...

This is just a fun Arduino project that uses leds connected in circle as a ring to produce a rotation effect. You can adjust the spinning speed with a potentiometer and you can also set a minimum and ...

Discover how the Arduino Opta Pro can be leveraged beyond its industrial roots for smart home and DIY automation. In my article, I share hands‑on insights, practical code examples, and hardware ...