The BLE Shield adds Bluetooth Low Energy (BLE) connectivity to your Arduino, letting it communicate wirelessly with smartphones, tablets, and other BLE central devices. Compatible with Arduino Uno, Mega 2560, Leonardo, Due, and other 3.3V/5V-compatible boards.

Use it to build mobile-controlled Arduino projects, stream sensor data to a phone app, or use your mobile device as an internet gateway for your Arduino.

Key Features

• Bluetooth Low Energy – Connects Arduino to smartphones, tablets, and BLE central devices
• Broad Compatibility – Works with Arduino Uno, Mega 2560, Leonardo, Due, and compatible boards
• Dual Voltage – Operates at 3.3V or 5V for wide Arduino compatibility
• Shield Form Factor – Stacks directly onto standard Arduino headers

Use Cases

• Control Arduino pins via a custom mobile app
• Send sensor data from Arduino to a smartphone for processing or display
• Use a mobile device as an internet gateway for Arduino projects

Ideal For

• IoT and wireless projects requiring low-power Bluetooth connectivity
• Mobile app integration with Arduino hardware
• Wearable and portable Arduino builds