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