UART Smartwatch

NOTE: This app is no longer maintained, its repo was archived.

This is a bluetooth low energy UART terminal app for a do-it-yourself
Smartwatch.

App features:

• notification buffer
• is notification to long: use of notification title
• some emoticons works
• german Umlaute works
• transmit more than 20 bytes
• automatic reconnect

Get firmware, screenshots, documentation and circuit from
UART-Smartwatch Website.

UART-Smartwatch firmware features:

• Press Button 1.5 s: sync the time between watch and phone. Show date and notifications as scrolling chars.
• Press Button 0.5 s: show the time calculated by the watch. Show the battery level and an analog clock
• small analog clock
• digital clock
• Battery Level
• more than 18 hours with LiPo 3.7V (170mA)

The DIY smartwatch shows a calculated time without a connection to your phone.
This time is a bit faster to pretent problems. It is about 10 second in 6 hours.