CO2 Ampel pro

Item number: 20182264

The CO2 traffic light is a simple solution to measure the CO2 level in a room.

The 4pcs WS2812 LEDs are showing the CO2 ppm level.

More information here:

Category: Compatible with Arduino


starting from 81,00 €

including19% VAT. , plus shipping


There are variations of this item. Please select the variation you wish.

The CO2-Ampel shows a color according to the application and the CO2 concentration.

On powerup the sensor needs approx. 30s until a valid value is displayed (standard measuring interval: 3s).

The light sensor is checked every hour and when it is dark, the brightness is reduced and the measuring interval is increased to 30s.

for covid prevention (preinstalled firmware)

  • up to 799 ppm -> green
  • 800 to 999 ppm -> yellow
  • 1000 to 1199 ppm -> red
  • 1200 to 1399 ppm -> red flashing
  • 1400 ppm and higher -> red flashing + buzzer

against tiredness

  • up to 999 ppm -> green
  • 1000 to 1199 ppm -> yellow
  • 1200 to 1399 ppm -> red
  • 1400 to 1599 ppm -> red flashing
  • 1600 ppm and higher -> red flashing + buzzer

The controller comes with a Arduino compatible bootloader and so you can flash or modify the firmware via the Arduino IDE.

On Board you will find:

Shipping weight: 0,08 Kg
Dimensions ( length width height ): 8,00 8,00 2,50 cm
Question on item