{"title":"microbit sensors","description":"","products":[{"product_id":"octopus-passive-buzzer-brick-obpb01-for-micro-bit","title":"Octopus Passive buzzer Brick OBPB01 for micro:bit","description":"\u003cspan\u003eOctopus Passive buzzer Brick is based on a passive buzzer, it could control the volume by PWM. The distinction is active buzzer stickers.\u003c\/span\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7141914869804,"sku":null,"price":28.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/buzzer.jpg?v=1743410408"},{"product_id":"pm2-5-detector-sensor-module-optical-dust-sensor-air-conditioner-monitor","title":"PM2.5 Detector Sensor Module Optical Dust Sensor Air Conditioner Monitor","description":"\u003cspan\u003ePM 2.5 sensor is a professional, consistent, high accuracy sensor. This sensor can be accurate to a single unit of digits.\u003c\/span\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7142537166892,"sku":null,"price":300.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/pm25.jpg?v=1743410406"},{"product_id":"esp8266-serial-wifi-module","title":"ESP8266 Serial Wifi Module","description":"\u003cspan\u003eESP Wifi Module with low power consumption, low price, built-in TCP \/ IP protocol, a temperature sensor, low-power 32 CPU (still used as applications processor), supports antenna diversity and SDIO2.0, SPI, UART interfaces, etc…It can be used in smart home, industrial wireless control, mesh networks, sensor networks, network cameras, wearable electronic devices, wireless position sensing devices, safe ID tags and other fields.micro:bit Accessories\u003c\/span\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7163409498156,"sku":null,"price":59.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/img_8397.jpg?v=1743410400"},{"product_id":"octopus-analog-noise-sound-sensor-detection-module","title":"Octopus Analog Noise Sound Sensor Detection Module","description":"\u003cp\u003eOctopus 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eShipping List:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e 1 x Octopus Analog Noise Sound Sensor Detection Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1. Standard OCTOPUS bricks connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2. Output Voltage: 3-5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3. Louder noise brings bigger output Sine wave amplitude.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.elecfreaks.com\/estore\/media\/wysiwyg\/001_7.jpg\" alt=\"\" width=\"500\" height=\"500\"\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202484322348,"sku":null,"price":28.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/files\/EF04081-2.webp?v=1743410367"},{"product_id":"micro-bit-power-supply-module-3-3v-2a","title":"Micro:bit Power Supply Module 3.3V 2A","description":"\u003cp\u003eMicro: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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eShipping List:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e \u003c\/strong\u003e1 x Micro:bit Power Supply Module 3.3V 2A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1. Input Voltage: DC5V-12V\u003c\/li\u003e\n\u003cli\u003e2. Power by micro USB cable or usual power adapters.\u003c\/li\u003e\n\u003cli\u003e3. Output Voltage:3.3V\u003c\/li\u003e\n\u003cli\u003e4. Output Terminal directly connect battery holder on the micro:bit.\u003c\/li\u003e\n\u003cli\u003e5. Output Current: 2A\u003c\/li\u003e\n\u003cli\u003e6. Max Output Current: 2.5A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eYou can connect this power module to your BBC micro:bit.\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.elecfreaks.com\/estore\/media\/wysiwyg\/001_6.jpg\" alt=\"\" width=\"500\" height=\"500\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202507587628,"sku":null,"price":38.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/004_7.jpg?v=1743410367"},{"product_id":"octopus-dust-sensor-detector-module-with-sharp-gp2y1010au0f","title":"Octopus Dust Sensor Detector Module with Sharp GP2Y1010AU0F","description":"\u003cp\u003e\u003cspan\u003eOctopus Dust Sensor Detector Module with Sharp GP2Y1010AU0F adopts Sharp optical dust sensor(GP2Y1010AU0F). It is used to detect the density of  dust particle with diameter beyond 0.8μm such as cigarette smoke.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e 1. Low power consumption;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2. Analog output;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3. Linear relatioship between voltage and dust density;\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e4. Built-in voltage boosting circuit,suitable for input voltage with wider range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eProduct Parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSensitivity: 0.5V\/(100μg\/m3) \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEffective Range: 500μg\/m3 \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorking Voltage: 2.5V~5.5V \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorking Current: 20mA(max) \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorking Temperature: -10℃~65℃ \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorage Temperature: -20℃~80℃ \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLife Span: 5 year \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Dimension: 63.2mm×41.3mm×21.1mm \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFixed Hole Size: 2.0mm \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVent Hole Size: 9.0mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e 1. Detect dust concentration in the air.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2. Air purifier, air quality monitor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"http:\/\/www.elecfreaks.com\/estore\/media\/wysiwyg\/001_10.jpg\" alt=\"\" width=\"500\" height=\"500\"\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202524037164,"sku":null,"price":158.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/qq_20180115112609.jpg?v=1743410366"},{"product_id":"octopus-adkeypad","title":"Octopus ADKeypad","description":"\u003cp\u003eOctopus Electronic Bricks, you can use them to build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect micro:bit \/ 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.\u003c\/p\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParameter:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupply voltage: voltage controller\u003c\/li\u003e\n\u003cli\u003eInterface: Analog\u003c\/li\u003e\n\u003cli\u003eSize: 55x29mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/www.elecfreaks.com\/store\/images\/product\/Octopus\/ADKey%20board\/ADKey%20board_B.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg class=\"alignnone size-medium wp-image-37\" title=\"Octopus ADKeypad\" src=\"http:\/\/www.elecfreaks.com\/store\/images\/product\/Octopus\/ADKey%20board\/ADKey%20board_B.jpg\" alt=\"Octopus ADKeypad\" width=\"550\" height=\"398\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202547138604,"sku":null,"price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/img_2575.jpg?v=1743410366"},{"product_id":"octopus-crash-sensor-brick","title":"Octopus Crash Sensor Brick","description":"\u003cp\u003eOctopus Electronic Bricks, you can use them to build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect micro:bit \/ 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.\u003c\/p\u003e\n\u003cp\u003eCrash Sensor Brick is a sensor module based on crash switch, simple circuit design, high sensitivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParameter:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eArduino special module\u003c\/li\u003e\n\u003cli\u003ecompatible with sensor shield\u003c\/li\u003e\n\u003cli\u003eOutput low level when touched, maintain high level when released\u003c\/li\u003e\n\u003cli\u003eUsed for robot collision detection touch detection\u003c\/li\u003e\n\u003cli\u003e3P buckled wires connector\u003c\/li\u003e\n\u003cli\u003eEasy to plug and play\u003c\/li\u003e\n\u003cli\u003eAble to achieve very interesting and an interactive work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/www.elecfreaks.com\/store\/images\/product\/Octopus\/Crash%20Sensor%20Brick\/Crash%20Sensor%20Brick_B.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg class=\"alignnone size-medium wp-image-37\" title=\"OCTOPUS Vibration sensor\" src=\"http:\/\/www.elecfreaks.com\/store\/images\/product\/Octopus\/Crash%20Sensor%20Brick\/Crash%20Sensor%20Brick_B.jpg\" alt=\"OCTOPUS Crash Sensor Brick\" width=\"550\" height=\"398\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202586787884,"sku":null,"price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/Crash_Sensor_Brick_B.jpg?v=1743410365"},{"product_id":"octopus-analog-rotation-brick-obarot","title":"Octopus Analog Rotation Brick OBARot","description":"\u003cdiv id=\"productDescription\" class=\"productGeneral biggerText\"\u003eOctopus Electronic Bricks, you can use them to build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect micro:bit \/ 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. \u003cbr\u003e\u003cbr\u003eOctopus Analog Rotation Brick is arduino compatible and can be rotated up to 300-degree. It is based on the potentiometer. With the Arduino IO expansion board, in combination, it can be very easy to achieve position-dependent interaction with the rotating effect or produce MIDI instrument. \u003cbr\u003e\u003cbr\u003e\u003ca href=\"http:\/\/www.elecfreaks.com\/estore\/elecfreaks.html\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eThe Freaduino Sensor Shield\u003c\/a\u003e is the perfect shield to connect this senor to Arduino. Or \u003ca href=\"http:\/\/www.elecfreaks.com\/estore\/freaduino-uno.html\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eFreaduino UNO\u003c\/a\u003e which we had pre-stray Octopus Brick interface.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003ca href=\"http:\/\/www.elecfreaks.com\/store\/images\/product_images\/Brick\/Analog%20Rotation-02.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg class=\"alignnone size-medium wp-image-37\" title=\"Arduino_Shield_SHD06_02\" src=\"http:\/\/www.elecfreaks.com\/store\/images\/product_images\/Brick\/Analog%20Rotation-02.jpg\" alt=\"xxx\" width=\"550\" height=\"398\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower supply needs: 5V\u003c\/li\u003e\n\u003cli\u003eInterface type: Analog\u003c\/li\u003e\n\u003cli\u003ePin Definition: S-Sigal V-VCC G-GND\u003c\/li\u003e\n\u003cli\u003eWide detecting scope\u003c\/li\u003e\n\u003cli\u003eFast response and High sensitivity\u003c\/li\u003e\n\u003cli\u003e300 degree rotation sensor\u003c\/li\u003e\n\u003cli\u003eSize: 19x27mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202606874668,"sku":null,"price":26.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/1_15_19.jpg?v=1743410365"},{"product_id":"octopus-digital-pushbutton-brick-obpushbutton-blue","title":"Octopus Digital PushButton Brick OBPushButton - Blue","description":"\u003cdiv id=\"productDescription\" class=\"productGeneral biggerText\"\u003e\u003cspan\u003eThis is a digital push button sensor, which detects your press action. It is ideal for beginner class to test the Arduino or be your first sensor in your project. It was easy be used for Chipkit, STM32, AVR, ARM and other mirc-MCU.\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202630467628,"sku":null,"price":23.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/1_15_16.jpg?v=1743410364"},{"product_id":"octopus-5mm-led-brick-obled-yellow","title":"Octopus 5mm LED Brick OBLED - Yellow","description":"\u003cp\u003e\u003cspan\u003eOctopus 5mm \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eYELLOW\u003c\/strong\u003e\u003c\/span\u003e LED light Brick, and with other sensors and micro:bit breakout board and ambient light sensor extension combination, can be used in the interaction with the light works.\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202661662764,"sku":null,"price":23.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/1_15_26.jpg?v=1743410364"},{"product_id":"copy-of-octopus-5mm-led-brick-obled-red","title":"Octopus 5mm LED Brick OBLED - Red","description":"\u003cp\u003e\u003cspan\u003eOctopus 5mm \u003cspan style=\"text-decoration: underline;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eRED \u003c\/strong\u003e\u003c\/span\u003eLED light Brick, and with other sensors and micro:bit breakout board and ambient light sensor extension combination, can be used in the interaction with the light works.\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202714812460,"sku":null,"price":23.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/1_15_26_450cadb6-29e6-49cc-b7b5-7b008ca4abb7.jpg?v=1743410363"},{"product_id":"octopus-5mm-led-brick-obled-blue","title":"Octopus 5mm LED Brick OBLED - Blue","description":"\u003cp\u003e\u003cspan\u003eOctopus 5mm \u003cspan style=\"text-decoration: underline;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eBLUE\u003c\/strong\u003e\u003c\/span\u003e\u003cspan mce-data-marked=\"1\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eLED light Brick, and with other sensors and micro:bit breakout board and ambient light sensor extension combination, can be used in the interaction with the light works.\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202728771628,"sku":null,"price":23.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/1_15_26_6e834172-7125-407b-a446-a8b386fa74bc.jpg?v=1743410363"},{"product_id":"octopus-5mm-led-brick-obled-green","title":"Octopus 5mm LED Brick OBLED - Green","description":"\u003cp\u003e\u003cspan\u003eOctopus 5mm \u003cspan style=\"text-decoration: underline;\" mce-data-marked=\"1\"\u003e\u003cstrong\u003eBLUE\u003c\/strong\u003e\u003c\/span\u003e\u003cspan mce-data-marked=\"1\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eLED light Brick, and with other sensors and micro:bit breakout board and ambient light sensor extension combination, can be used in the interaction with the light works.\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202735554604,"sku":null,"price":23.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/1_15_26_576e65ac-e353-44fe-ad50-d54495ee7b2e.jpg?v=1743410362"},{"product_id":"octopus-segment-led-brick","title":"Octopus Segment LED Brick","description":"\u003cp\u003e\u003cspan\u003eOCTOPUS 056C Segmentric is a type of common cathode digital tube display module based on HT16K33 drive, using a standard I2C communication interface. The module using 0.56 inches common cathode digital tube with clock point and and decimal point can be used for simple clock display and digital display.\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202780479532,"sku":null,"price":62.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/img_8183.jpg?v=1743410362"},{"product_id":"octopus-pir-motion-sensor-brick","title":"Octopus PIR Motion Sensor Brick","description":"\u003cp\u003e\u003cspan\u003eOCTOPUS 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.\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202849521708,"sku":null,"price":52.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/img_2678.jpg?v=1743410362"},{"product_id":"octopus-wind-speed-sensor-anemometer-three-aluminium-cups","title":"Octopus Wind Speed Sensor Anemometer Three Aluminium Cups","description":"\u003cp\u003e\u003cspan\u003eThis is a wind speed sensor with rain-proof design. It has a standard connector for Octopus brick series’ products. Bigger wind speed brings higher output voltage. We can use it to test wind speed. \u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202863743020,"sku":null,"price":369.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/001_2_3.jpg?v=1743410361"},{"product_id":"octopus-temperature-and-humidity-sensor","title":"Octopus Temperature And Humidity Sensor","description":"\u003cp\u003e\u003cspan\u003eTemperature and humidity sensor is a module based on DHT11 digital temperature and humidity sensing element. Simple design,and sensitive to the ambient temperature and humidity changes, it can be used for temperature alarm, humidity testing and other works.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3P Octopus Bricks Interface，input 5V - GND, S for signal output.\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202922758188,"sku":null,"price":60.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/img_2649.jpg?v=1743410361"},{"product_id":"octopus-soil-moisture-sensor-brick","title":"Octopus Soil Moisture Sensor Brick","description":"\u003cp\u003e\u003cspan\u003eOctopus 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! \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis sensor uses the two probes to pass current through the soil, and then it reads that resistance to get the moisture level. More water makes the soil conduct electricity more easily (less resistance), while dry soil conducts electricity poorly (more resistance).\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7202993307692,"sku":null,"price":32.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/1_15_11.jpg?v=1743410360"},{"product_id":"octopus-analog-photocell-brick-obphotocell","title":"Octopus Analog Photocell Brick - Light Sensor","description":"\u003cp\u003e\u003cspan\u003ePhotocells are sensors that allow you to detect light. They are small, inexpensive, low-power, easy to use and don't wear out. For that reason they often appear in toys, gadgets and appliances. They are often referred to as CdS cells (they are made of Cadmium-Sulfide), light-dependent resistors (LDR), and photoresistors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLink: \u003c\/strong\u003e\u003ca title=\"https:\/\/wiki.elecfreaks.com\/en\/microbit\/sensor\/octopus-sensors\/sensor\/octopus_ef04092\" href=\"https:\/\/wiki.elecfreaks.com\/en\/microbit\/sensor\/octopus-sensors\/sensor\/octopus_ef04092\" target=\"_blank\"\u003ehttps:\/\/wiki.elecfreaks.com\/en\/microbit\/sensor\/octopus-sensors\/sensor\/octopus_ef04092\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7203053994028,"sku":null,"price":32.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/files\/EF04092-2.webp?v=1743410359"},{"product_id":"elecfreaks-micro-bit-breakout-board-octopus-bit-1","title":"ElecFreaks Micro:bit Breakout Board ( Octopus:bit)","description":"The most versatile board for BBC micro:bit for Education use!\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eBe involved in digital making with this popular Breakout Board. Connect with various sensors to make your projects alive! Making and Coding a Reality!\u003c\/p\u003e","brand":"Elecfreaks","offers":[{"title":"Default Title","offer_id":7203185819692,"sku":null,"price":125.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2962\/4548\/products\/img_4316_f60969a1-5eca-4e1f-9784-d5fa8de0595b.jpg?v=1743410359"}],"url":"https:\/\/classroomeshop.com\/collections\/micro-bit-sensors.oembed?page=2","provider":"CLASSROOM eShop","version":"1.0","type":"link"}