[Ashish Choudhary] married an Arduino with a display and a pollution sensor to give readings of the PM2.5 and PM10 levels in the air.

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

On that day, the average level of PM2.5 in the borough was up 316%, compared to an average non-strike day and average CO2 levels rose by 2-3%. And on 17 June - the hottest day of the year so far ...