5 ms·
Excellent information from the person(s?) running air gradient with regards to pm sensor tech and design. Blog posts, etc. Ranges of kits from pre assembled to
by tomek_ycomb 2y ago
Excellent information from the person(s?) running air gradient with regards to pm sensor tech and design. Blog posts, etc.
Ranges of kits from pre assembled to solder-yourself, that HN might like.
(I am happy with my unit I gave to a friend with a wood fire stove heated house, and built one from kit to save some $ another time.)
- ds_opseeker 2y agoI'll second air gradient. Founder is really cool and supportive. Tech works. I bought some boards from him a while back, ordered the parts of off alibaba, and had a working ESP32 setup in short order.