MediaPipe is used to detect hand landmarks in real-time. Custom logic maps different gestures (open hand, closed fist, etc.) to LED numbers. Connect LEDs to Arduino digital pins (D9–D13 in this case).

That addition to the NEC didn’t last long. In August, the NFPA Standards Council made the rare decision to override the code-making panel based on an appeal that had support from Honda, GM, Ford, ...

Would you be able to provide an example similar to the existing BLE "Client" example, but with the ability to connect to multiple servers instead of just one? Thanks!

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...