ELECFREAKS PlanetX CO2 SensorThe 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. Specifications Item Parameter Connections RJ11 4P4C Power 3. 3V Connections type Analog output Packing List Item Quantity

The Nezha Pro Sports Kit is suitable for children of all learning levels

PlanetX BME280 Environment Sensor

Photocell is a kind of special resistor based on the internal photoelectric effect

fully meeting the connection requirements of various sensors and modules

and it comes in a beautiful package

an onboard power management system

Move forward

Item Parameter Battery Built-in 7

(the line-tracking sensor

Easy To Program

and other scenarios

students learn how to identify problems and find solutions