ELECFREAKS

US$71.66
Smart Cutebot Pro, Programming Robot Car for Micro:bit is a robot equipped with a 4-way infrared line-following sensor, an encoder motor, an LED rainbow light, an ultrasonic sensor, and other peripherals.
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US$71.39
The ELECFREAKS Smart Home Material Pack is a customized wooden accessory pack for Octopus sensors. It is designed with fixing holes reserved for IOT:bit, Sensor:bit, Servo, and Octopus sensors, which enables us to show better results when building cases.
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US$62.29
The ELECFREAKS Classroom Smart Air Purifier Kit includes components such as the IOT: bit expansion board, motor fan, and dust sensor. These components can achieve rich functions and perfectly match with the micro: bit development board, allowing you to explore more interesting smart homemaker projects.
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US$10.87
ELECFREAKS 9g 360 Degrees Building Blocks Servo compatible with building bricks.
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US$532.12
The XGO micro:bit Dog Robot Programming Kit is an educational AI robot dog featuring 12 DOFs, specifically designed to teach teenagers about artificial intelligence. 
 
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US$36.17
The ELECFREAKS micro:bit Games Retro Programming Arcade is a color screen joystick expansion board for the micro:bit V2. Includes TFT 160*128 color screen, 4 directional buttons, 2 A/B buttons and a reset button. The ELECFREAKS micro:bit Games Retro Programming Arcade is now used with the micro:bit V2. This runs between Microsoft micro:bit Arcade's plate format and inline programs. An easy and fun way to help your child create their own games and understand the mystery behind them.
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US$50.00
The ELECFREAKS Ring:bit Car Kit V2 is a small DIY smart car driven by the Pico:ed and the ELECFREAKS Ring:bit. A basic Ring:bit Car can be easily programmed to run autonomously, with remote control, and even create rainbow beacons of light. Just add one of the many extensions available and your Ring:bit Car can do even more things like line and light following, obstacle avoiding, drawing, and more!
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US$54.55
ELECFREAKS Pico:ed Smart Cutebot Kit is a rear-drive smart car driven by dual high-speed motors. There is much onboard equipment on the Cutebot including an ultrasonic sensor and distance sensor, two RGB LED headlights and clearance lamps on the bottom, two line-tracking probes, and an active buzzer as the horn. It has rich graphical programming for Cutebot, allowing kids to learn programming from the simplest to the more complex.
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US$63.47
ELECFREAKS Pico:ed Starter Kit is designed for children who are beginning to learn the electric circuit and programming knowledge. Students can use these Pico:ed basic DIY kits to create or complete more experiments, such as traffic lights, using photocell to control Pico:ed screen or LED.
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US$21.34
ELECFREAKS Pico:ed V2 is a development board based on Raspberry Pi RP2040 MCU. It uses a dual-core Arm Cortex-M0+ processor with 264KB RAM. The front of the board contains two buttons and a 7x17 dot matrix screen, which can be conveniently used for classroom teaching.
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US$24.98
The EF01033 is a board based on the Raspberry Pi RP2040 MCU. It has a dual-core Arm Cortex-M0+ processor with 264KB RAM, some peripherals and shares a resemblance with the classic micro:bit.
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US$11.78
The EF10154 is a servo motor with a max torque of 500g*cm. There are two axles placed in opposite faces and they offer a dual output of 360 degrees each. The Geekservo is designed with Lego in mind and is compatible with any of your Lego Bricks.
 
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US$15.42
The EF10155 is a servo motor with a max torque of 1.8kg*cm. There are two axles placed in opposite faces and they offer a dual output of 360 degrees each. The Geekservo is designed with Lego in mind and is compatible with any of your Lego Bricks.
 
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US$118.07
The ELECFREAKS micro:bit 32 IN 1 Wonder Building Kit focuses on expanding the blocks with 32 projects available on the WIKI, giving you more options to create more projects. It is equipped with various electronic sensors such as a line tracking sensor, Sonar:bit, water level sensor, etc. to add more challenge and fun to your projects.
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US$77.12
The EF08252 is a kit of sensors for the Micro:bit. It comes with several useful sensors like a water level sensor and even comes with IoT capabilities. Learn how to code and facilitate your everyday life at the same time!
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US$86.22
The EF08254 is a kit of agricultural sensors for the Micro:bit. it comes with several useful sensors like a moisture sensor or even a water level sensor. Learn how to code and take care of your garden at the same time!
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US$13.60
The EF03446 is a 3.6V lithium battery module for the Smart Cutebot Car. This module allows the Cutebor car to have a stable and rechargeable power supply. Having an onboard power management system is so much easier than traditional batteries! Plus! We've made two custom holes that make it possible to integrate them into your Lego projects.
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US$40.87
This is a wind speed sensor with rain-proof design. It has a standard connector for Octopus brick series’ products. We can use it to test wind speed. It adopts three half sphere bowls with 6CM diameter, presenting 120 degrees branch installation. Under the effect of wind power, it can spin. Higher wind speed, faster it rotates.
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US$63.65
Different Appearance: The appearance of the microbit tpbot robot car is made of ABS material. Compared with other cars, this is not a naked car. It is safer and has better color and hardness. Two modes: (1) TPBot Smart Car can follow line and avoid obstacles without inserting micro:bit. (2) Once you insert the micro:bit, this becomes a micro:bit programmable smart car that offers kids the chance of learning code.
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US$81.67
The ELECFREAKS Smart AI Lens kit has wide applications like card-identification, line tracking, ball tracking, color identification and face tracking. It...
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US$3.54

Octopus analog rotation brick is a 10K potentiometer module. Rotating the knob to change its resistance can realize voltage division while providing analog signals to the analog input IO ports of micro-controller. This module has a 3-wire anti-reverse connector, which makes it easy to connect a GVS cable.

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US$6.81

Octopus MQ3 Alcohol Sensor Brick is an alcohol-based sensor:< Q3.

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US$2.72
Octopus Electronic Bricks, you can use them 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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos even buttons, just plug and play.
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US$5.45

8 RGB Rainbow LED Ring is a kind of LED rings with 8 ultra bright RGB LED beads placed on a circle panel. This circle has 1.25" (32mm) outer diameter and 0.62" (16mm) inner diameter. The ring is chainable. On the circle panel, you can see one output pin of a bead connected to an input pin of another bead.

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US$6.35

Ring:bit car V2 lights-bar module is the dedicated module which designed for Ring:Bit Car V2. It brings you beautiful mutiple color with simple assemble. Come with 8 Rainbow full color LEDs. You can update your ring:bit car to a car with headlights and rainbow lights.

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US$17.72
Joystick:bit V2 is a JoyStick based on micro:bit. It contains a 4-direction joystick and 4 undefined buttons as as classic JoyStick. At the same time, with the board buzzer and vibration motor, it also enhance game experience. Joystick:bit V2 can be remote control handle for micro:bit which on compact appearance and comfortable touch.
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US$8.99

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.

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US$9.99

Based on the Ring:bit V2 from Elecfreaks, the micro:bit Ring:bit Bricks Pack contains 360 degrees servos, the LED strips and almost 200 pieces bricks. Together with the well-designed assembly instructions and courses, it makes the kids learn the coding easily as well as how to build blocks in an interesting way. Let’s start building our kits with the tips!

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US$59.10
Based on the Ring:bit V2 from Elecfreaks, the micro:bit Ring:bit bricks pack contains 360 degrees servos, the LED strips and almost 200 pieces bricks. Together with the well-designed assembly instructions and courses, it makes the kids learn the coding easily as well as how to builds blocks in an interesting way. Let's start building our kits with the tips!
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US$72.75

ELECFREAKS experiment box is a multifunction box experiment equipment which is based on professional experimental equipment and the actual physics learning situation.

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US$181.77
Based on Planet X sensors, Nezha Inventor's Kit is designed for BBC micro:bit. It contains multiple sensors, ultrasonic sensor, crash sensor, line-tracking sensor, etc., and also with over 400 pieces of bricks. We plan to write 36 cases for this kit in our wiki aiming to cultivate and inspire kids' creativity and imagination. Make each kid be an inventor from Nezha Inventor's Kit!
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US$69.95
Motor:bit smart car kit is a tailor-made smart car for micro:bit and motor:bit. This kit includes a motor:bit, sonar:bit and 2 line tracking modules. You can use this kit to DIY a micro:bit two-wheel smart car.
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US$45.27
ELECFREAKS micro:bit Starter Kit is designed for children who are beginning to learn the electric circuit and programming knowledge. Students can use these micro:bit basic DIY kits to create or complete more experiments, such as traffic lights, using a photocell to control micro:bit screen or LED.
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US$7.96
The motor protects itself from exaggerated strength by "jumping over teeth" protection. It can be programmed by MakeCode, JavaScript, microPython, C++.
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US$24.95
IOT:bit is an expansion board based on IoT for micro:bit. It uses ESP8266 as WIFI expansion board and serial port to communicate with micro:bit. It also has extended all available IO port of the micro:bit which is leaded by GVS and you can extent various 3V E-blocks as LED, photosensitive and servo by using it. At the same time, the IOT:bit with an on-board buzzer for outside sound and an on-board RTC clock for timing without power supply.
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US$24.99
Tracking module is installed in the front to make sure it goes along with the black line. Sonar:bit is installed in the back to make sure it goes freely avoiding any obstacle. Light bar module is installed in the front to make the car more bright and beautiful.
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US$77.12
The EF08256 is a Kit of health sensors for the Micro:bit. It comes with several sensors, such as a PIR sensor and even an Alcohol detector. Learn how to code and build healthy habits at the same time!
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US$4.19
Octopus Hunt Sensor is a sensor based on TCRT5000 photoelectric sensitive element.It can sensitively detect the infrared reflected signal. Together with Arduino specific sensor shield, Hunt Sensor can be widely used in many fields, ranging from performing black and white line detection, obstacle detection , to shredding detection for fax machine or paper shredder, meter pulse data sampling and other related works Adjustable sensitivity (shown in blue digital potentiometer adjustment).
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US$6.99
This is a colorful strip based on WS2812B beads, it can display the color of RGB and support multiple cascade at the same time.
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US$45.27
The EF08209 is a rear-drive smart car driven by dual high-speed motors. Modules are interchangeable and can be programmed for endless possibilities of fun!
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US$39.99
Wukong is a high integrated breakout board with multiple functions based on micro:bit, which has a similar size with the micro:bit with buzzer, servo and motor drivers on board. The base board designs with standard 7x5 square bricks that can adapt perfectly to Lego.
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US$6.14
The EF03420 is a small Christmas tree-shaped module with 6 codable LED lights. This small gadget is a fun and creative way to decorate a beautiful Christmas night.
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US$15.24
Elecfreaks Smart Coding Kit is a wearable device based on micro:bit button cell extension baord Pro, a DIY micro:bit watch can be easily made with a simple installing method.
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US$127.35
ELECFREAKS Smart Science IoT Kit is developed based on loT:Bit,a new breakout board compatible with science sensors such as the ultrasonic sensor, dust sensor, light sensor and water level sensor,.including RTC Timing and WIFI module. You can gather data via thesensors and send data to the cloud with more stable and accuratedata analysis.
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US$9.23
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,.
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US$4.19
Octopus 3V laser sensor is the laser emission 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 is made of a laser emission chip, condensing lens and an adjustable sleeve, which can work after powering on.
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US$3.21
Octopus Light Sensor Brick can read the light value of the current environment. Characteristics: The 3-pins ports is easy to plug and play. It can work with micro:bit in 3V.
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US$4.06
Octopus Water level Sensor is the water level 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. Octopus Water level electric brick is a simple, easy-to-use, high performance with reasonable prices sensor, the water level is detected by the exposed parallel wires and the water volume. It can convert the water volume to analog signal easily and the output value can be recognized by micro:bit and thus make the water level alarm happen.
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US$7.23
Octopus Analog Capacitive Soil Moisture Sensor is the soil moisture 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. Adopted the capacitive sensing principle to detect the soil moisture, it perfectly avoids the problem of easy to be corroded of the resistive transducer and greatly extends its service time.
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US$11.19
This sensor is a tempeterature detector used to test the liquid temperature based on 18b20. Characteristics: Standard 3-pin GVS ports is easy to plug. 3V working voltage can drive the micro:bit. Water-proof design makes it possible to use in the liquid.
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US$83.93
Robit smart car is a kind of smart car which is based on micro:bit and ElecFreaks robit. Besides the RJ25 wiring port and motor port in Mbot, the robit is also equipped with 2-way DC motor connectors , 2-way stepping motor connectors(Stepping motor connectors and 4-way DC motor connectors are multiplexed ) and 8-way PWM signal output connectors. It can drive PWM signal driving devices like servo. It has 8-way G-5V-S digital signal connectors(for connecting with OCTOPUS electric bricks) and 4-way G-5V-S analog signal connectors(for connecting with OCTOPUS electric bricks). Robit can realize all current basic functions of MBOT and it can be regarded as the new generation of Mbot.
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US$6.32
1 Channel Relay 3V Relay Module is one of OCTOPUS series of electric bricks. It is fundamentally designed according to OCTOPUS electric brick series with same shape, PCB positioning holes and electric brick connectors. OCTOPUS 1 Channel Relay has adopted a mini and high-quality HUIKE relay, which is available to control all kinds of home appliances and high current load devices. This is a common accessory module for electronic DIY fans.
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US$91.90
Comes with micro:bit board. Available for use when being plugged. Rich tutorial cases. Connect limitless creativity with different sensors. With Microsoft MakeCode officially certified packages. Beautiful package and price.
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US$8.14
3V Vertical water pump is a kind of DC micro submersible pump. Equipped with male and female Dupont line connectors, it can apply to the fountain used in many situations with much convenience.
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US$6.99
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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos ... even buttons, just plug and play. This keyboard uses an analog input to read the five key state which saves IO resource for the Arduino. It can be used together with our I/O expansion boards to make amazing interactive project.
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US$4.47
OCTOPUS Motor Brick is a type of simple electronic building blocks of the fan motor drive module, it can be used as simple Arduino teaching demo, convenient for  Arduino beginners to learn.
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US$4.19
Octopus Soil Moisture Sensor Brick can read the amount of moisture present in the soil surrounding it. It's a low tech sensor, but ideal for monitoring an urban garden, or your pet plant's water level. This is a must have tool for a connected garden!
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US$3.91
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.
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US$3.50
Octopus Electronic Bricks, you can use them 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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos even buttons, just plug and play.  Octopus Passive buzzer Brick is based on a passive buzzer, it could control the volume by PWM. The distinction is active buzzer stickers.
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US$6.99
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.
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US$2.79
Octopus Electronic Bricks, you can use them 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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos even buttons, just plug and play.  Octopus 5mmLED light Brick, and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works.
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US$2.79
Octopus Electronic Bricks, you can use them 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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos even buttons, just plug and play.  Octopus 5mmLED light Brick, and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works.
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US$2.79
Octopus Electronic Bricks, you can use them 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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos even buttons, just plug and play.  Octopus 5mmLED light Brick, and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works.
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US$2.93
Octopus Electronic Bricks, you can use them 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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos even buttons, just plug and play.
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US$3.63
Octopus Single RGB Rainbow LED is one of the single rainbow LED electronic bricks in OCTOPUS series. The basic design is upon the OCTOPUS electronic bricks series with the identical design on the outlook, PCB fixed orifices and the connectors of the electronic bricks. The on-board LED is a smart LED and an integration of control circuit and light-emitting circuit, it can be operated under a low voltage with a high luminance and large angle scattering.
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US$4.89
Octopus TMP36 Temperature Sensor Brick is a temperature sensor with low voltage and accurate celsius read. It can provide voltage output,which forms a linear relationship with celsius temperature. TMP36 do not need any external calibration. When it is at +25°C, its typical accuracy is ±1°C,while it is within the range from -40°C to +125°C, its typical accuracy is ±2°C.
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US$2.79
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 connection are prepared to extensive modules like poteniometers, sensors, relays, servos even buttons, just plug and play. Crash Sensor Brick is a sensor module based on crash switch, simple circuit design, high sensitivity.
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US$13.23
These displays are small, only about 1" diameter, but very readable due to the high contrast of an OLED display. This display is made of 128x64 individual white OLED pixels, each one is turned on or off by the controller chip. Because the display makes its own light, no backlight is required. This reduces the power required to run the OLED and is why the display has such high contrast; we really like this miniature display for its crispness! The design is completely 5V-ready, with an onboard regulator and built in boost converter. It's easier than ever to connect directly to your 3V or 5V microcontroller without needing any kind of level shifter!
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US$6.29
OCTOPUS 1Channel Relay is a single relay electronic brick,and its basic design is based on OCTOPUS series products, like shape, PCB positioning holes, interface setting. Adopting Ultra-small, high-quality HUIKE relay, OCTOPUS 1Channel Relay can control various appliances, load high-current, also with opto-isolation, secure and dependable, so Lovers of electronics DIY commonly used it as accessory module. The module is 5V high level trigger, and the trigger current is about 5mA, so almost all of MCU can directly drive it, pull-up not needed.
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US$6.99
Ring:bit car V2 line following module is a dedicated module designed for the Ring:bit car V2, it is easy to be installed to achieve the line following function for the Ring:bit car V2. Equipped with double infrared probes, it can detect the distance between 2~12mm accurately that can achieve the function of line following around the circles, the detection of the black lines and the detection of the edge.
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US$11.89
Sensor:bit is a breakout board based on micro:bit. It has extended all available IO ports on micro:bit, and lead out them in the form of GVS. With this board, we can extend various 3V electric brick modules like LED light, photocell, etc.. On the board, it has integrated a buzzer and an audio jack, which allows us to hear music from the buzzer or with our headphone.
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US$78.26
The EF08197 is a Smart Home kit based around the Micro:bit. It comes with all sorts of popular sensors and modules that allow you to make your home a little bit smarter.
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US$7.99
360 Digital Servo(EF90D) with wheel and tire is a kind of 360 deg analog servo. It is light and portable, a little bigger than 5 cent coin. It works at 3V voltage and uses pulse width to adjust speed of the servo rotation, which also can be used to make small robot modules, mechanical arm modules and intelligent car modules.
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US$34.01
The ELECFREAKS Ring:bit Car is a small DIY smart car driven by the BBC micro:bit and the ELECFREAKS Ring:bit. The Ring:bit extends the micro:bit's 3 GPIO ports and allow for different sensors and components to be easily attached to the micro:bit. A basic Ring:bit Car can be easily programmed to run autonomously, with a remote control, and even create rainbow beacons of light. Just add one of the many extensions available and your Ring:bit Car can do even more things like line and light following, obstacle avoiding, drawing and more!
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US$15.26
Power:bit button cell board is a micro expansion board in the smallest size equipped with a buzzer. It can not only supply power to the board but is also equipped with P1, P2,GND and 3V ports by the row needles, which can be used with our acrylic watch straps and boards.
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US$13.86
Sonar:bit is an ultrasonic module with 3-5V working voltage. It is available to be used to 3.3V or 5V micro-controller system. With only one 3-wire(GVS) cable, it can work properly. Compared to the normal 4-wire ultrasonic module, it has saved one IO port. The measurement range of sonar:bit is 4cm-400cm. It can output stable and accurate measurement data with ±1cm tolerance only. You can use this module to occasions like short-distance measurement, smart cars, robots, micro:bit and arduino teaching, etc..
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US$12.46
8 x 16 matrix module is a kind of 8 x 16 matrix screen that can display numbers, commonly used letters and symbols with scrolling-displaying function. It adopts IIC bus protocol and makes it easy to connect and operate.
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US$69.94
ElecFreaks Micro:bit Tinker Kit (Without Micro:bit Board) is a set of accessory for micro:bit, which enables you to connect all kinds of modules easily without a group of messy breadboard wires.
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US$5.59
Micro:bit Power Supply Module 3.3V 2A is a kind of power module for micro:bit. The output voltage of 3.3v can be connected directly to the battery connector of microbit, providing strong and steady power supply for micro:bit.
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US$5.59
Basic:bit is a basic breakout board of micro:bit. It carries a buzzer and three groups of GVS pins(P0/P1/P2) on board. Each group of GVS pins separately leads out the IO port, 3V port and GND port on micro:bit. Small size with simple structure, it is quite enough for you to complete 98% micro:bit projects.
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US$6.01
Edge:bit is a breakout board for protecting your micro:bit golden finger. The special designed golden finger brings more convenience to micro:bit extension. But, at the same time, it is easily abraised or scratched by aligator clip. Edge:bit can provide an all-around protection for your micro:bit, which makes your micro:bit life span become much longer.
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US$19.53
This Freaduino Compatible Motor Shield (2A) uses L298P chip which allow to drive two 7-12V DC motors with maximum 2A current. This shield can be directly mount onto standard Arduino Duemilanoveand Arduino Mega.  The speed control is achieved through conventional PWM which can be obtained from Arduino's PWM output Pin 5 and 6. The enable/disable function of the motor control is signalled by Arduino Digital Pin 4 and 7. The Motor shield can be powered directly from Arduino or from external power source. It is strongly encouraged to use external power supply to power the motor shield.
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US$9.73
Micro:bit Breadboard Adapter is a breadboard pinboard based on Micro:bit. It can be directly plugged into breadboard. Through this adapter, you can start various DIY creation on Mico:bit Breadboard.
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US$19.53
We all know the side pin on BBC Micro:bit board can lead to the input signal or generate control signal with special interface. As for pins of 0/1/2/3V/GND, we can use alligator clip to lead signal. But other pins are too close to lead, which is obviously presented on micro:bit board. Usually the voltage of micro:bit is 3.3V while other modules (like LED digital tube module, IIC LCD module, etc.) connected to it require 5V power supply and 5V TTL voltage to work properly. To solve the above problems, we have invented ElecFreaks Micro:bit Breakout Board . ElecFreaks Micro:bit Breakout Board can completely match with BBC Micro:bit pins. Plug our breakout board into BBC Micro:bit, you will find it is much more convenient to lead.
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US$8.39
ELECFREAKS Power:bit is a kind of micro:bit extension board with minimum size. It is powered by two 2025/2032 button batteries and carries a buzzer on the board. Due to its small cute size and abundant electric power, it is very suitable to be applied to micro:bit wearable devices like pedometers, timers , portable music broadcasters and so on.
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US$13.99
ELECFREAKS Ring:bit is a kind of extension board for micro:bit, which can lead out three IO ports: P0, P1, P2. It can connect 3 motors at most. Ring:bit is a simple module based on micro:bit. It can lead out 3 IO connectors, power connectors, ground connectors on the micro:bit board. On this module, we have transformed P0/P1/P2 into general connectors for GVS electric bricks. Among them, we have extended P2 to a GVS connector with multiple usages. There is a slide switch on the board. Slide the switch to "S", then you can connect SR and SL2 (digital signal modules) at the same time. Slide to "P2", you can connect digital module or simulating module but only one of them. This module adopts 3 No. 7 batteries for power supply. It is very simple, easy and practical to use. With this module, you can drive all kinds of GVS modules like servos, line-hunting modules and LED modules.
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US$13.93
RPI GPIO Shield turned Raspberry Pi GPIO into the normally-used Arduino I/O interface. The shield not only maintained most of Arduino UNO I/O interface,but also expanded IIC interface,UART TX/RX interface, and SPI interface, electronic bricks interface. RPI GPIO Shield inherited the Arduino UNO I / O all the features, which can be used to drive LED, sensors, LCD and other electronic modules and components.
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US$31.62
The BLEduino board is the first of its kind in intergrating BT 4.0(BLE) module into Arduino Uno, making it an ideal prototyping platform for both software and hardware developers to go wireless. You will be able to develop your own smart bracelet,smart pedometer and more. Through the low- power Bluetooth 4.0 technology, real-time low energy communication can be made really easy.
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US$9.73
The MPR121 IC is a great way to build simple capacitive touch interfaces, and now it's even easier to incorporate into your Arduino projects with the touch shield. The touch shield has 12 capacitive touch pads. With this shield you can have a total of 12 touch sensitive buttons.
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US$12.53
Features: With Logic Level Converter (3.3V to 5V or 1.8V to 5V or 1.8V to 3.3V). With CC1101 module connecter. Provide maximal 800mA under 3.3V. 4 indicator LED ( RSSI, ASS, Din, Dout) for XBee. Switchable of communication with FTDI-USB /Base board. Full 2.54mm break out for XBee. With wireless program hardware interfaces. Reset button for base board. Stackable interfaces.
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