The Arduino, Bluetooth module (check your specs, some HC-05, and HC-06 may come on a breakout board expecting 5V), and USB Host shield all run off of 3.3V, but devices you want to plug into the ...

The board is based on the uBlox Bluetooth module including a 64 MHz Arm Cortex M4F core from Nordic Semiconductor running Mbed OS, an OS for Arm-based embedded systems which allows simultaneous ...

DastardlyLabs uses a USB host shield, a Bluetooth module, an Arduino Pro Mini, and a bunch of other random parts to create this little device.

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.