All Products
Showing 21-29 of 29 products
Octopus MG811 CO2 Gas Sensor
Octopus MG811 CO2 Gas Sensor is a CO2 electronic brick in our OCTOPUS series, the basic design for the outlook, PCB fixing holes and connections are the same with them.The higher the CO2 concentration is, the lower the output voltage would be. The users can read the CO2 value easily after checkin...
Octopus Non-invasive AC current sensor TA17-03 Brick
Octopus Non-invasive AC current sensor (TA17-03) Brick is Electronic building blocks, a transformer, an ammeter, a current sensor module, compatible with all kinds of Arduino electronic building blocks / sensor shield. 3P electronic building blocks interface, input 5V - GND, S pin for output a...
Octopus Passive buzzer Brick OBPB01
The Octopus Passive Buzzer Brick is a plug-and-play buzzer module from the Elecfreaks Octopus series. Unlike an active buzzer, the passive design lets you control both tone and volume via PWM, making it ideal for generating melodies, alarms, and sound effects. Part of the Octopus Electronic Bric...
Octopus Linear Slider Potentiometer Brick
A linear sliding potentiometer module from the ElecFreaks Octopus series. Provides an analogue voltage output proportional to the slider position, making it useful as a variable input for controlling volume, brightness, speed, or any other parameter in your project. Features a standard 3-pin con...
Octopus Analog Photocell Brick OBPhotocell
The Octopus Analog Photocell Brick is a light-dependent resistor (LDR) module from the ElecFreaks Octopus Electronic Bricks series. It uses a cadmium-sulfide (CdS) photocell that changes resistance based on ambient light levels — the brighter the light, the lower the resistance. With its 3-pin co...
ELECFREAKS micro:bit Petal Smart Home Explorer Kit
Description The ELECFREAKS micro:bit Petal Smart Home Explorer Kit is a hands-on learning suite designed for teenagers aged 8-16. Using sensors, servobs, and assemblable structural components enables the construction of life-oriented devvices like smart lighting, automatic cloth...
ELECFREAKS micro:bit Nezha Pro Ocean Kit
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The ELECFREAKS micro:bit Nezha Pro Ocean Kit is an ocean-themed STEM education kit that guides students through Ian's ocean adventure storyline with a project-based learning approach. Using electronic components and building blocks, students explore marine ecology, understand concepts like tidal ...
Octopus Gesture Sensor Brick
Octopus Gesture Sensor is PAJ7620U2 that integrates gesture recognition function with general I2C interface into a single chip. It can recognize 9 gestures including move up, move down, move left, move right, etc with a simple swipe of your hand. Features: Various main boards support : Frea...
Octopus Smoke Sensor MQ-2 Brick OBMQ2
An analogue gas sensor module based on the MQ-2 sensor, part of the Octopus Electronic Bricks series for plug-and-play integration with Arduino and compatible boards. Detects a wide range of combustible gases and smoke with high sensitivity and fast response time. Detectable Gases LPG, i-butane...
