The app, currently only available for Android, works by looking for a Bluetooth module nearby that's commonly used in modern credit card skimmers.

It’s not just volume – it’s engineering; if something has Bluetooth, you find a Bluetooth module with a built-in microcontroller so you can write firmware to it.

The second-gen Premium Bluetooth Keyless Entry module adds an extra layer of security and control to unlocking your car with your phone.

Have an old USB keyboard you love, but wish was wireless? DIYer DastardlyLabs shows off how to make your own little adapter that’ll convert just about any old USB keyboard to Bluetooth.

The module supports multipoint/multidrop functionality and is available with internal and external antenna. The Bluetooth I/O module OBI411 is Bluetooth Qualified, radio approved according to R&TTE, ...