I’m thinking of a portable computer, messenger bag style (meaning case with a shoulder strap), with a wrist-mounted keyboard, mouse, and possibly display. You know, the “iPazzPort” ones with the touchpad off to one side and a rounded edge underneath that. More the reason is, I have ideas for using some of those tiny wireless keyboard/touchpad combos that come from eBay’s HK side. Posted in Arduino Hacks Tagged arduino, bluetooth, hc-05, hc05, keyboard, usb Post navigation This project drew inspiration from similar project for PS/2 keyboards. If you need help reprogramming the HC-05 Bluetooth module, we’ve covered that before.
Resist the urge to solder the Bluetooth board in–since it talks on the same port as the Arduino uses for programming, you’ll have to remove it before uploading new code.
The result is a nice little sandwich with a USB plug, a Bluetooth antenna, and some pins for reprogramming if necessary. makes a homemade daughterboard–er, shield–to connect it to the Arduino. A standard Bluetooth module has to have HID firmware installed.
A FT-232 USB to serial board is used to program the Arduino. The project uses a stock DuinoFun USB mini host shield with a modification to allow it to work on 5V. Along the way, he made three videos explaining how it all works. So he pulled the same trick with a USB keyboard. Saw a video about converting a PS/2 keyboard to Bluetooth and realized he didn’t have any PS/2 keyboards anymore.