It uses an Android device to switch an LED driven by the Arduino. Connectivity is provided by the Bluetooth module inserted in ... off, and blink. You’ll find the voice recognition diagram ...

They figured uploading code to the microcontroller over Bluetooth would be a good idea, but their adapter, a cheap HC-06 module ... would stay low when the LED was blinking, and switch to high ...

RAKwireless RAK11160 is a new low-cost, low-power LoRaWAN, WiFi 4, and Bluetooth LE module based on ESP32-C2 (ESP8684) and ...

Kyle Evans has grafted an Arduino Bluetooth module to his "didge" (as we say 'round the drum circle) and supplied a wireless mic to transmit audio to his laptop, where the sound is manipulated via ...

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. You’ll need to solder together a handful of parts ...