SKU: EF05030
$54.90 USD

NOTE: The PlanetX Sensor needs to be used with RJ11 cable and Nezha expansion board.

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What is PlanetX

RJ11 connection diagram

Simplify the hardware connections to make the teaching much easier in classes.

Compatible to bricks

Compatible with the salient points and brick plugs, it is possible to create new projects with your ideas.

Compatible to Fischertechnik

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Color recognition system

A Special Color recognition system identifies the ports of digital, analog, and IIC with the colored labels.


The gas sensor is an essential sensor for environmental detection. The ELECFREAKS PlanetX CO2 Sensor is designed to detect the concentration of CO2 with high sensitivity. The higher the concentration of CO2 is, the smaller the output voltage value will be. At the same time, it can eliminate the interference of alcohol and CO.


Item Parameter
Connections RJ11 4P4C
Power 3.3V
Connections type  Analog output


Packing List

Item Quantity
PlanetX CO2 1



PlanetX CO2

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