So you want to learn how to build your own smartwatch? The TinyScreen Smartwatch Kit has you covered. It comes with all the parts and instructions you need to get started. The kit consists of:
- TinyDuino Processor Board w/ Lithium Battery support
- TinyShield USB Board
- TinyScreen – OLED TinyShield
- TinyShield Bluetooth LE – Nordic
- 140mAh Lithium Polymer Battery
You also get an optional 3D printed housing and wrist strap. The watch will work with iOS and Android devices via Bluetooth. The kit costs under $100.