# rotator device
* two rotators
* two displays

## required libraries
* https://github.com/adafruit/Adafruit_SSD1306/
* https://github.com/adafruit/Adafruit-GFX-Library
* https://github.com/adafruit/Adafruit_BusIO

## PINs
* IDE = Physical = Usage
* x = 1 = reset (connecto to master)
* 2 = 4 = rotator 1 white
* 3 = 5 = rotator 2 white
* 4 = 6 = rotator 1 green
* 5 = 11 = rotator 2 green
* 6 = 12 = display 2 dc
* 7 = 13 = display 2 reset
* 8 = 14 = display 1 dc
* 9 = 15 = display 1 reset
* 10 = 16 = display 1 cs
* 11 = 17 = SPI MOSI
* 12 = 18 = (unused) SPI MISO
* 13 = 19 = SPI SCK
* 14 / A0 = 23 = address selector bit 1
* 15 / A1 = 24 = address selector bit 2
* 16 / A2 = 25 = address selector bit 3
* 17 / A3 = 26 = display 2 cs
* 18 / A4 = 27 = I2C SDA (connect to master)
* 19 / A5 = 28 = I2C SCL (connect to master)

## address selection
* no address selector pin set to low = 0x08
* address selector bit 1 = low = 0x09
* address selector bit 2 = low = 0x0A
* address selector bit 1 and 2 = low = 0x0B
...