The NRF24L01+ Arduino wireless transceiver shield is packed with features that make it a versatile tool for various applications. The shield includes two momentary push buttons, an LED, and a slot ...

The Arduino, Bluetooth module (check your specs, some HC-05, and HC-06 may come on a breakout board expecting 5V), and USB Host shield all run off of 3.3V, but devices you want to plug into the ...