HC-05 and HC-06 Bluetooth Serial Modules for Arduino

Give your microcontroller project a Bluetooth serial link so it can exchange data with a compatible device without a cable between them.

✅ Send serial data wirelessly - Connect the selected module to your controller’s UART pins and communicate over Bluetooth.

✅ Choose the module that fits your design - HC-05 and HC-06 are available as separate options.

Product details

HC-05 or HC-06 Bluetooth serial module. Listed supply: 3.3–5 V. Pins: VCC, GND, TXD and RXD. Confirm the selected board’s pinout and logic levels before applying power.

Select the module that matches your controller and Bluetooth requirements.