All Products

SKU: EF-EF04092

The Octopus Light Sensor Brick reads the ambient light level of its surrounding environment and outputs an analog signal. The 3-pin GVS connector makes it easy to plug into micro:bit expansion boards, Arduino, and other microcontrollers without soldering. Key Features Output – Analog signal pr...

SKU: EF-EF04058

A common cathode alphanumeric LED display module driven by the HT16K33 chip over I2C. The 0.56-inch digit height makes it suitable for displaying letters, numbers, and basic symbols in electronics projects and interactive displays. Key Features HT16K33 Driver – I2C bus interface for simple mic...

SKU: EF-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 volta...

SKU: EF-EF04017

Octopus Electronic Bricks, you can use them to build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect Arduino / Freaduino compatible boards easily with various digital, analog and I2C/Uart interfaces. These the breadboard-less firm connect...

SKU: EF-EF03423

The Ring:bit expansion board is a simple PCB for the micro:bit. The Ring:bit extends the micro:bit's 3 GPIO ports. We will use this module to convert the P0/P1/P2 port to the common GVS port. It can be loaded 3 AAA batteries to drive the car or other components.FeatureCompatble with LEGO holeEach...

SKU: EF-EF09085

SKU: EF-EF08198

Smart home Kit is a product about smart home project base on micro:bit which is developed by ELECFREAK. We selected executed components commonly used at home as TMP36 temperature sensor, sound sensor, crash sensor, servo, motor. You can build scene like windowsill, wardrobe and fish tank, crea...

SKU: EF-EF09087

The Geekservo Motor is a compact DC motor designed to be fully compatible with LEGO building systems. Its LEGO-compatible mounting points let you integrate motorised movement directly into brick-based builds, making it ideal for robotics, STEM education, and creative construction projects. Opera...

SKU: EF-EF04055

OCTOPUS PIR Sensor module is a type of electronic building block based on AM412 pyroelectric digital smart sensor. It can be used in sensing and detection of human or animal motion, sensing distance is about 4-5 meters. Specification: Power supply 5V&nbsp; Digital signal processing:<SP: Power ...

SKU: EF-EF10138

The KittenBot Silicone Sleeve is a soft protective case for the BBC micro:bit, available in blue. The flexible silicone wraps around the board to guard against bumps, drops, and scratches while keeping all buttons, the LED matrix, and edge connector accessible. Key Features Soft Silicone Const...

SKU: EF-EF11088

SKU: EF-EF10021

The OV7670 is a compact VGA camera module based on the OmniVision OV7670 image sensor. It provides a single-chip VGA camera and image processor capable of up to 30fps at 640×480 resolution, with multiple output formats including RGB565, YUV, and raw RGB. Controlled via the SCCB interface (I²C co...

SKU: EF-EF03052

A single-channel 5 V relay module that allows a microcontroller to switch high-voltage electrical devices up to 250 VAC or 110 VDC. Controlled via a standard TTL-level digital IO pin, it works with Arduino and other popular microcontrollers. The module uses an SRD relay with optocoupler isolatio...

SKU: EF-EF03085

The HC-SR04 is a widely used ultrasonic distance sensor that provides non-contact measurement from 2 cm to 450 cm with up to 3 mm resolution. It uses a 40 kHz ultrasonic transducer pair — one transmitter and one receiver — to calculate distance based on the time-of-flight of a sound pulse. With ...

SKU: EF-EF03091

The Wireless Charging Module can be applied in electronic equipments in common use for close wireless charging or power supply. Consisted of a transmitter and insolation coil, it could serve as a replacement for the Wireless Power Supply with stable 3.3V output voltage and maximum 600mA output...

SKU: EF-EF03010

An 8-channel relay module compatible with Arduino, Raspberry Pi, and other MCU boards (PIC, ARM, MSP430). Each relay channel has an LED indicator showing its output state, making it easy to monitor which relays are active. Key Features 8-Channel Relay – Independent control of 8 circuits LED I...

SKU: EF-EF03009

An 8-channel relay module operating at 5V, compatible with Arduino, Raspberry Pi, and other MCU boards (PIC, ARM, MSP430). Each relay channel has an LED indicator showing its output state, making it easy to monitor which relays are active. Key Features 8-Channel Relay – Independent control of ...

SKU: EF-EF03061

This is a DC to DC step-down module based on LM2596 3A Step-Down Voltage Regulator. The LM2596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down(buck) switching regulator, capable of driving a 3A load withexcellent line and load regul...

SKU: EF-EF04088

The Octopus 2 Channel Tracking Module uses two pairs of reflective infrared diodes to detect black lines on a surface. Designed for line-following smart cars, it lets you create custom black track layouts and program your vehicle to follow them. The module features two GVS connectors for easy wi...

SKU: EF-EF04081

Octopus Analog Noise Sound Sensor Detection Module is a sensor module based on MIC sound sensing element. Sound Sensor is particularly sensitive to sound intensity, and it can be used to detect ambient sound level. Louder noise brings bigger output Sine wave amplitude. Features: 1. Standard OC...