Connectivity › UART Smartwatch
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UART Smartwatch

Bluetooth App for a UART-Smartwatch
Version: 3.2
Added: 25-10-2016
Updated: 02-08-2017
NOTE: This app is no longer maintained, its repo was archived.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

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.
Screenshot of UART Smartwatch Screenshot of UART Smartwatch Screenshot of UART Smartwatch
code Source file_download Download