HidRTCwatch

feather M0 with nRF52 (Bluetooth LE hid commands), RGB oled SSD1331, MPU-6050 (Shake to wake up) and RTC DS3231M clock.

press button or shake to wake up
battery bar
day, year, month ...
2 buttons for keyboard commands
poti to select the 2-button keys
mouse mode via gyroscope

Selection

BIG CLOCK always on! (2 buttons: dim display, normal display)
Mouse left, right click (takes many power)
cursor left, right
cursor up, down
page up, down
DEL, space
volume up, down
media pref, next
media stop, play (pause)
off,on LED Stroboscope
off,on motion controlled sound and light
off,on LED (white, blue or UV)
off,on LED blink Police (blue-UV)
off,on LED Stroboscope
start and set countdown alarm (-30sec, +30sec) function
set minutes (down,up)
set hours (down,up)

Hardware

https://www.exp-tech.de/plattformen/arm/atmel/6866/adafruit-feather-m0-bluefruit-le