For $8.60, you can buy a very simple Bluetooth serial module that works great with Arduino. It uses 4 pins: GND, VCC, TX, and RX, and has a very simplified configuration of only Name, PIN, BAUD. With a device like this, you can do simple bi-directional serial over bluetooth with a PC or Android phon…

Utility to configure JY-MCU module (inexpensive bluetooth serial)

system January 18, 2013, 6:40pm 3

Trying to download i'm getting an error :S

Topic		Replies	Views
JY MCU Bluetooth Serial Port Module Hardware	2	802	May 7, 2021
Bluetooth module usage (JY-MCU) Networking, Protocols, and Devices	4	2291	May 6, 2021
Arduino Uno y Modulo JY MCU BT_Board V1.2 Hardware	4	11216	May 7, 2021
JY MCU Bluetooth Serial Port Module Networking, Protocols, and Devices	3	667	May 6, 2021
Serial Port Bluetooth Module With Baseboard Interfacing	2	1898	May 6, 2021