aleppax / AirQualityMesh

IoT system monitoring outdoor air quality with multiple stations, remote data collection and analytics
GNU General Public License v3.0
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Opms map #92

Closed aleppax closed 1 year ago

aleppax commented 1 year ago

the initial PCB design didn't take into account the use of two PMS5003 together. now it is possible but a small modification to the pcb is required, pins 4 and 5 should connect to the second pms5003 instead to the ULN2003