In final form, a Bluetooth module and Arduino Pro Micro are stuffed inside the stereo along with a DPDT relay to switch the I2C bus. An external button is used to trigger the Arduino to switch to ...

Arduino is the first widespread Open-Source hardware project and, since 2005, has become almost ubiquitous in microcontroller projects. The Arduino Pro line is aimed at the more professional user who ...

Connect the device, launch the terminal monitor in the Arduino IDE, then give it your desired settings. The sketch will poll the Bluetooth module to see what speed it is set to run at.

Check out the video below to learn more about the Bluetooth THINGY module. “We have all said it a 100 times, if we only had an App to tell us if our garage door is open late at night.