Skip to main content

Octopus Analog UV sensor (GUVA-S12SD)(EF04093)


Octopus Analog UV sensor (GUVA-S12SD) is the UV electric brick in our Octopus series, the basic design is from the Octopus electric bricks and the setting of its outlook, the PCB fixing hole and the connectors are the same.

It can measure the total UV intensity of the sunlight; linear signal voltage output; and it can be used as UV dosimeters, UV index instrument and flame detection,etc,.

ELECFREAKS Octopus Analog UV Sensor (GUVA-S12SD)


Design for the occasions need reliable and concise UV index. Support micro:bit in 3V. Easy and convenient for connection.


Name: Octopus Analog UV sensor (GUVA-S12SD)


Working Voltage: DC 3~5.5V

Connection Mode: G-GND,V-VCC,S-signal pin

Test Precision: ±1 UV INDEX

Wave length: 200nm-370nm

Response Time: Below 0.5 second

Size: 38.9x23.5mm

Net Weight: 5g

Quick to Start

Hardware Connection

Connect the module with the wire(with buckle) to the P1 pins on the IOT:bit, insert the micro:bit to the IOT:bit.

Software Programming

Programme in the makecode and analog read P1 to get the intensity of the UV that would be displayed on the micro:bit.


You can also download it directly:


The UV intensity is showing on the micro:bit.