I have been using Atmel AVR chips for a while now and recently to switched to Arduino boards for convenience.
I’ve also been meaning to mess around with Bluetooth for a while now.
Smart watches are all the rage.
So I decided to build a simple smart-watch. I don’t want anything too fancy. Some LEDs, some buttons, a good 20 hour battery life and good functionality.
The main components I settled on are a Pololu A-Star 32u4 board with a JY-MCU bluetooth module (these can be found all over the interweb for around £7).
The A-Star is based on the Atmel Atmega 32u4 and allows for 15 I/O pins, 5.5-12V input running at 16MHz.
The JY-MCU is a neat little board which is simple to use, if not a tad undocumented. It uses the Bluetooth Serial Interface to appear as a serial port on paired devices and works with Windows and Android but is not supported on IOS.
Anyway, I hope to find a way to mount these components on my wrist in a (potentially vain) attempt to make my life that little bit easier,