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Dobrica Pavlinušić's random unstructured stuff
MH-Z19B: Revision 3
Product model number: MH-Z19B
Gas Detection: Carbon Dioxide Supply voltage: 4.5~5.5V DC Average current: <20mA (@5V power supply) Peak current: 150 mA (@5V supply) Interface level: 3.3V (5V compatible) Measurement range: 0~10000ppm can be selected within the range Warm-up time: 3min Response time: T90<120s Working temperature: 0～50°C Operating Humidity: 0 to 95% RH (non-condensing) ^ arduino https://github.com/satr/arduino-with-co2-sensor-mh-z19b-and-lcd-display-nokia-5110 https://github.com/tobiasschuerg/MH-Z-CO2-Sensors https://github.com/strange-v/MHZ19 https://github.com/arendst/Tasmota/wiki/MH-Z19B |