Teyleten Robot 1Pcs MH-Z19B Infrared Carbon Dioxide Monitor Sensor CO2 Detection Sensor Module UART PMW Wave Output 0-5000ppm+Cable

Price: $28.99
(as of Feb 12, 2023 20:34:09 UTC – Details)

it change to MH-Z19B,Parameters: 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) Characteristics： Gas chamber with gold plating, waterproof and corrosion resistant High sensitivity, low power consumption Excellent stability Temperature compensation, excellent linear output Provides serial (UART), analog (DAC), PWM waveform output methods long lasting Water vapor interference, not poisoning Application: HVAC refrigeration equipment Air quality monitoring equipment Fresh air system Air purification equipment Smart home SCHOOL Pins： Vin: Power Positive (Vin) GND: Negative Power Supply (GND) Vo: Analog output PWM: PWM HD: HD (zero for school, low for more than 7 seconds) Rx: UART(RXD) TTL Level Data Input Tx: UART (TXD) TTL level data output Package Included: 1 x MH-Z19 Infrared CO2 Sensor
It Change To Product model number: MH-Z19B
Gas Detection: Carbon Dioxide
Analog output (DAC) (default 0.4~2V) (0~3V range configurable)
Supply voltage: 4.5~5.5V DC,average current: <20mA (@5V power supply),peak current: 150 mA (@5V supply)
use: >5 years