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jumper wires
40 x user GPIO supporting a wide range of interface options: 2 x UART
Exceptions are handled on a case-by-case basis and only granted when emergency or extenuating circumstances exist
but includes a battery charger
Switching from one source to the other is done automatically
Grove - Dust Sensor（PPD42NS） bu_pro jumper wiresProvide reliable data for air purifier system Easy maintenance PWM output Grove compatible interface Compact and light design. This Dust Sensor gives a good indication of the air quality in an environment by measuring the dust concentration. The Particulate Matter level (PM level) in the air is measured by counting the Low Pulse Occupancy time (LPO time) in a given time unit. LPO time is proportional to PM concentration. This sensor can provide
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