EC Buying MS1100 Gas Sensor, VOCs Sensor for Air Quality, Carbon Dioxide Formaldehyde Monitoring TVOC CO2 Gas Sensor Module, Sensor Arduino I2C auspowers_batchtwo 1/2in(12mm) hose barb

1/2in(12mm) hose barb

but it will be changed into an "setting model" when you press its "key" button

The length of the tape is really long

Before testing the drive board

EC Buying MS1100 Gas Sensor, VOCs Sensor for Air Quality, Carbon Dioxide Formaldehyde Monitoring TVOC CO2 Gas Sensor Module, Sensor Arduino I2C auspowers_batchtwo 1/2in(12mm) hose barbEC Buying MS1100 Gas Sensor, VOCs Sensor for Air Quality, Carbon Dioxide Formaldehyde Monitoring TVOC CO2 Gas Sensor Module, Sensor Arduino I2C Instructions for use: 1. Power supply voltage: +5V 2. AOUT: Analog output, voltage value change corresponding to gas quantity detected by chip, single chip can connect directly using ADC. 3. DOUT: Digital output is the result of comparing the output voltage values of AOUT and adjustable resistor, output