take photo with miband3 and 4,
bluetooth part forked from miband-js

use device search button to make image
tested with windows 10 and chrome android

Demo
https://dj0001.github.io/miband3-selfie/

select camera and connect bluetooth.
then go to devicesearch (under More) on miband, longpress, and theMediaDevice shots a picture, which can be saved

15.12. add control vlc-player with web-interface Demo
26.12. save and load heart rate values
03.01. notify and pomodoro timer (alarmclock, stoppwatch, worldclock)
08.01. smart alarm (Scan)
14.01. continuous heartrate Monitor and 29.01. steps and 10.02. cycling
12.02. Kiox display (longtouch value to download gpx track, ?alt, head, trip)

.11.20 miband4-selfie (search handy)
.12.20 Kiox2 and HR2 works with BLE Peripheral Simulatur on android, and with Miband 4 (Gadgetbridge must be connected)