This socket to program the famous, yet smallest Bluetooth module (NRF24L01). It will allow you to connect NRF24L01 to Arduino Uno or any other 5V microcontroller. It has an on-board 3.3V regulator, so you do not have to afraid from frying this board, because it can be powered from 4.8-12V supply.
- Input voltage: 4.8V - 12V
- Small power-on LED indicator