FTDI cable
The easiest way to program and test that your air pollution monitor is working correctly is using an FTDI-USB cable and the RX, TX & GND pin headers on the Grove Socket PCB. Connecting the device in this way allows you to view all of the messages and readings in Atom.
You should only need to buy one FTDI cable, regardless of how many PyonAir monitors you're making.
Current suppliers
Black = GND
Yellow = TX
Orange = RX
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