I've been looking at ordering a variety of environmental sensors from Seeed Studio's Grove line. They look approachable and affordable, but I cannot vouch for

I've been looking at ordering a variety of environmental sensors from Seeed Studio's Grove line. They look approachable and affordable, but I cannot vouch for their quality. https://www.seeedstudio.com/Grove-Laser-PM2-5-Sensor-HM3301.html https://www.seeedstudio.com/Grove-Laser-PM2-5-Sensor-HM3301....