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ELECFREAKS Octopus Motor Brick
$2.98OCTOPUS 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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ELECFREAKS Octopus MP3 Player Module
$9.90Octopus MP3 module is a tiny and delicate sound module with on-board loudspeakers, it is able to play music stored in the TF cards via program.
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ELECFREAKS Octopus MQ3 Gas Sensor Brick
$4.98The MQ-3 Sensor is a semiconductor gas sensor that is sensitive to alcohol, ethanol, and other gases. It is commonly used in detecting alcohol levels in breath analyzers, as well as in various industrial applications for detecting alcohol vapors. The sensor has a high sensitivity and a fast response time, making it an effective tool for detecting gas concentrations in the air.
However, it’s important to note that the MQ-3 gas sensor is not suitable for use as a precise measurement tool, as it can be affected by changes in temperature and humidity. It’s important to properly calibrate and use the sensor in a controlled environment to ensure accurate readings.
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ELECFREAKS Octopus Non-Invasive AC Current Sensor (TA12-100) Brick
$4.99Octopus Non-invasive AC current sensor (TA12-100) Brick is an Electronic building block, a transformer, an ammeter, a current sensor module, compatible with all kinds of Arduino electronic building blocks / Arduino sensor shield3P electronic building blocks interface, input 5V – GND, S pin for outputting an analog voltage value. For details, see the product manual. You can conveniently connect to the Arduino board via the Freaduino sensor shield or Freaduino UNO and similar sensors / electronic building block shield.
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ELECFREAKS Octopus Non-Invasive AC Current Sensor (TA17-03) Brick
$5.99Octopus Non-invasive AC current sensor (TA17-03) Brick is an Electronic building block, a transformer, an ammeter, and a current sensor module, compatible with all kinds of Arduino electronic building blocks/sensor shields.3P electronic building blocks interface, input 5V – GND, S pin for output an analog voltage value. For details, see product manual. You can conveniently connect to the Arduino board via the Freaduino sensor shield or Freaduino UNO and similar sensors / electronic building block shield.
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ELECFREAKS Octopus Passive Buzzer Sensor Brick
$2.50Octopus Passive Buzzer Sensor Brick is based on a passive buzzer sensor, it could control the volume by PWM. The distinction is active buzzer stickers.
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ELECFREAKS Octopus PIR Module Brick Sensor
$4.99ELECFREAKS Octopus PIR Module Brick Sensor 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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ELECFREAKS Octopus Piranha LED Brick OBPiranha – Green
$1.99Octopus Piranha LED 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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ELECFREAKS Octopus PM2.5 Module
$29.90PM2.5 Electronic brick is one of the modules in the Octopus series to test the PM2.5 concentration. Based on ZH03 laser dust sensors, it can test the dust particle in the air with high consistency and stability. The PWM output and serial port design also make it easy to operate.
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ELECFREAKS Octopus Push Lock E-Switch
$1.99This is Push Lock E-Switch button brick, 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.
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ELECFREAKS Octopus Rain/Steam Sensor
$1.99This is a Rain/steam sensor from ElecFreaks. This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up.
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