to be fair, ahaucnx didn't use the word 'accessible', he just said 'easy to build' -- and this is hacker news, not consumer reports. but if you do want 'acces

to be fair, ahaucnx didn't use the word 'accessible', he just said 'easy to build' -- and this is hacker news, not consumer reports. but if you do want 'accessible' in your sense of the word (pay some money, get a working assembled unit), AirGradient does sell assembled units. And can provide a back-end system for remote monitoring if you would like.