# BLE gateway
# Compatible parts
The ESP32 has an integrated BLE module, with this board the BLE gateway don't need any additional hardware. Making it the advised board for BLE.
For Arduino and ESP8266 you can use an HM10 or HM11 below.
|Module||Purpose||Where to Buy|
|HM 10 Keyes bluetooth module||Bluetooth||compatible parts list|
|Module Pin||Board RX Pin||Board TX Pin|
|Arduino||D6 to HM10 TX||D5 to HM10 RX|
|ESP8266||D6 to HM10 TX||D7 to HM10 RX|
Vcc pin of the board and the HM10 Module to a 5V supply source. Ground pins of the board and the HM10 Module to the ground of the supply source. The HM10/11 firmware version must be >= v601. The baud rate of the HM10/11 module must be set to 9600 bauds.
# Arduino Hardware setup