Adafruit trinkey-sht45

OSSO's veriation on the original trinkey firmware, to better integrate with monitoring

Changes made to original:

• JSON formatting (manual for now to avoid dependencies)
• Measurements every 100 ms not every second

Setup

• Download latest Arduino IDE
• Set extra board url to https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
• Depending on you IDE you can now select the board and port, or it is automaticly done for you
• Install adafruit SHT4x and FreeTouch libaries trough the libary manager

Now you are ready to build and flash!