Elecfreaks Sensors
Octopus Crash Sensor
You can find the introduction of this product and many educational projects in the following link: Octopus Crash Sensor Brick(EF04013) | LEARN
Octopus Digital PushButton Brick – Blue
You can find the introduction of this product and many educational projects in the following link: OBPushButton Blue(EF04034) | LEARN
Octopus EL Driver Module
You can find the introduction of this product and many educational projects in the following link: Octopus EL Driver Module(EF04101) | LEARN
Octopus Linear Slider Potentiometer Brick
You can find the introduction of this product and many educational projects in the following link: Octopus Linear Slider Potentiometer Brick(EF04061) | LEARN
Octopus Passive Buzzer Brick
You can find the introduction of this product and many educational projects in the following link: Octopus Passive buzzer Brick OBPB01(EF04031) | LEARN
Octopus Rain/Steam Sensor
You can find the introduction of this product and many educational projects in the following link: Octopus Rain/Steam Sensor | LEARN
Octopus Solar Power Manager
Octopus TFT2.4 Display Module
Octopus Touch PAD Sensor
You can find the introduction of this product and many educational projects in the following link: Octopus Touch PAD Sensor(EF04011) | LEARN
Octopus Wind Speed Sensor
PlanetX Laser Module
More information and educational scenarios from the manufacturing company on the following link: Laser Module(EF05013) | LEARN
PlanetX LED
Select options
This product has multiple variants. The options may be chosen on the product page
PlanetX MP3 Module
More information and educational scenarios from the manufacturing company on the following link: MP3 Module(EF05038) | LEARN
PlanetX Neopixel 8
PlanetX PIR Sensor
PlanetX PM2.5 Sensor
More information and educational scenarios from the manufacturing company on the following link: PM2.5 Module(EF05028) | LEARN
PlanetX RFID sensor
More information and educational scenarios from the manufacturing company on the following link: RFID Sensor(EF05047) | LEARN
PlanetX CO2 Gas Sensor
More information and educational scenarios from the manufacturing company on the following link: PlanetX CO2
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. 
PlanetX MQ2 Sensor
More information and educational scenarios from the manufacturing company on the following link: MQ2 Gas Sensor(EF05031) | LEARN
PlanetX MQ2 Sensor can be used for smoke detection, the greater the smoke is, the greater the voltage value will be 
PlanetX MQ3 Sensor
More information and educational scenarios from the manufacturing company on the following link: MQ3 Gas Sensor(EF05032) | LEARN
When the PlanetX MQ3 Sensor detects alcohol vapor, the voltage of the sensor will increase. Suitable sensor for environmental detection 
PlanetX RTC Module
More information and educational scenarios from the manufacturing company on the following link: RTC Real-time Module(EF05034) | LEARN
Planet Segment Module
More information and educational scenarios from the manufacturing company on the following link: 7-Seg LED Nixietube(EF05026) | LEARN
PlanetX Trimpot Module
PlanetX BME280 Environment Sensor
More information and educational scenarios from the manufacturing company on the following link: BME280 Air Pressure Sensor(EF05022) | LEARN
PlanetX UV Sensor Module
More information and educational scenarios from the manufacturing company on the following link: UV Sensor(EF05021) | LEARN
PlanetX Wifi Module
More information and educational scenarios from the manufacturing company on the following link: WIFI Module(EF05036) | LEARN
IIC OLED Module
More information as well as educational scenarios from the manufacturing company by following the link below:
IIC OLED Module(EF03155) | LEARN
PlanetX 4 Channel Tracking Sensor
More information and educational scenarios from the manufacturing company on the following link: The 4-way Line Following Sensor(EF05053) | LEARN
Labdisc
Botzees
Edison
Telepresence Robot
DOBOT
Keyestudio
Fischertechnik