MH-Z19B with arduino uno r3

strange-v / MHZ19

Arduino library for MH-Z19/MH-Z19B CO2 sensor

GNU General Public License v3.0

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MH-Z19B with arduino uno r3 #17

Closed puonglyf closed 2 months ago

puonglyf commented 3 months ago

I use arduino uno r3 connected to mh-z19b running on arduino ide using this mh-z19 library. CO2 measurement results are 0ppm or 10000ppm. Where am I wrong, please help me

strange-v commented 2 months ago

It is probably a connection issue.