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Pimoroni’s $57 “Enviro+” pHAT for the Raspberry Pi can detect indoor air quality, temperature, pressure, humidity, light, and noise. You can hook up an optional “PMS5003 Particulate Matter Sensor” for detecting outdoor pollution. In 2016, Pimoroni launched a $20 Enviro pHAT board for the Raspberry Pi. The name was a bit misleading, however, since its […]
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