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.

DIY Bluetooth speaker projects are always a staple here at Hackady. In our latest feature of DIY audio builds, we have [Patrick’s] vinyl cylindrical speaker. He found a pretty inexpensive Blu… ...

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 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, ...