Hi, I'm in second year of Master in Fine arts and for my degree show piece i have a project which implies Arduino and a Co2 sensor MHZ19. My project is to have a MHZ19 Co2 sensor on and connected to the arduino, which will mesure the value of Co2 due to the amount of visitor in the gallery. Accord…

Master project, Make a plate vibrate according to the Co2 level

system March 13, 2019, 11:11am 6

but it still doesn't work

What does it do?
What do the serial prints show?