# BLE Firmware

## 1. Firmware to test whether the BLE function of the board is normal

* **esp32_ble_server.bin** For esp32 , Write address 0x0
* **esp32s3_ble_server.bin** For esp32s3 , Write address 0x0
* How to write firmware, please see [here](../GPS_Reset/README.MD)
* Please download [nRF Connect](https://www.nordicsemi.com/Products/Development-tools/nrf-connect-for-mobile) on Google Play, and then you can scan Bluetooth devices through nRF Connect. If you find a device named **LilyGo-BLE**, it means that the device Bluetooth is working.