This video serves as an introduction on how to use BLE-capable Arduino boards like the Arduino UNO R4 WiFi and Arduino Nano RP2040 to build wireless applications using Bluetooth Low Energy or BLE. Other videos posted on this channel you could refer: 1. Arduino & IoT: Reading BMP280 over Bluetooth 2. M2M Communication between two ESP32 Boards 3. Arduino UNO with HC-05 Bluetooth Module 4. Arduino UNO based wireless Joystick remote control