Tolako Serial Port Wireless Bluetooth 4.0 Module With Logic Level Conversion for Arduino

With an internal logic level conversion circuit, no need to externally convert the 5V level to the 3.3V level.

With the anti-reverse circuit to avoid accidental reverse connection of the power supply, which may lead to burn-out of the module.

Package included:

1 x Wireless Bluetooth 4.0 Module for Arduino