Hello List! Today we talked once more about a IKEA hack for Air Quality measurement. IKEA has this VINDRIKTNING Air Sensor for roughly 10 Euros which meassures particles in Category PM 2.5 Inside is a sensor called PM1006 from Cubic [0] which seems to fit the particle size which is important for our chip manufacturing inside clean rooms. And, this sensor is already hacked :-) [1] If you like to get some hardware porn - at github you'll find a source how to mod and expand VINDRIKTNING [2]. I guess this is a nice starting point for our hack. Beside thas, IKEA also offers a particle filter with same spare parts as FÖRNUFTIG. I hope I can get into the details and evaluate the usage for our clean room manufacturing.. Well, as David mentioned, IKEA is known for changing the articles they are selling quite often. This can mean that next season VINDRIKTNING and FÖRNUFTIG are not available anymore. But I guess, both have a longer live if they become a best seller ;-) BTW, if you do not know, what category PM 2.5 means - this site [3] helps. Have a nice week! Hagen [0] https://datasheets.globalspec.com/ds/248/CubicSensorandInstrument/FFBCAD62-2... [1] https://home-assistant-guide.com/2021/07/20/ikea-makes-an-air-quality-monito... [2] https://github.com/Hypfer/esp8266-vindriktning-particle-sensor [3] https://www.epa.gov/pm-pollution/particulate-matter-pm-basics --- "They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety." Benjamin Franklin (1775) Am 12.11.2021 17:05 schrieb Hagen SANKOWSKI:

Hello List!

This is our weekly announcement for the next Mumble Sessions on Sunday

2021-11-14 @ 18:00 UTC.

Please join us as usual at our Mumble Server murmur.libresilicon.com at Port 64738, the Channel is IC.

We like to follow-up our topics from mumble sessions before.

Regards, Hagen.