pinout.vvzero.com/draft/overlay/rainbow-hat.md

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#AndroidThings: Rainbow HAT

Rainbow HAT has a buffet of sensors, inputs and displays to explore Android Things. Use it as a weather station, a clock, a timer or stopwatch, a mood light, or endless other things.

  • Seven APA102 multicolour LEDs
  • Four 14-segment alphanumeric displays (green LEDs)
  • HT16K33 display driver chip
  • Three capacitive touch buttons
  • Atmel QT1070 capacitive touch driver chip
  • Blue, green and red LEDs
  • BMP280 temperature and pressure sensor
  • Piezo buzzer
  • Breakout pins for servo, I2C, SPI, and UART (all 3v3)