The world's first Arduino compatible microcomputer that can communicate wirelessly to any smartphone or tablet via Bluetooth v4.0 has been touted by wireless start up Open Source RF.

[Larry Bank]’s Arduino library to print text and graphics on BLE (Bluetooth Low Energy) thermal printers has some excellent features, and makes sending wireless print jobs to a number of comm… ...

The truth is that [Kerimil] didn’t spend forever learning Java and programming the app. Instead he’s showing off the power of App Inventor to get your Android controls up and running fast.