Pico W Air
By Ben Everard. Posted
This article was originally published as part of HackSpace magazine, which has since been incorporated into Raspberry Pi Official Magazine.
Free software and open hardware have enabled a boom in citizen science. This is just the latest device to add to our knowledge of the world around us.
This board comes with a Raspberry Pi Pico W, and adds a Qwiic connector for I2C devices, breaks out a few GPIO pins for 3.3 V, ADC, GND, and four more pins. Most usefully though, is the built-in MQTT client and built-in HTML server, so it can easily transmit the environmental data coming in.
It comes with a connection for a PMS5003 particulate matter sensor, which you’ll have to buy separately, along with a power source. Other than that, it’s a one-stop device.
Ben is the Editor of HackSpace magazine. When not wrangling words, he enjoys cycling, gardening, and attempting to identify wild mushrooms.
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