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ELECFREAKS Octopus Alphanumeric LED Brick
$7.75OCTOPUS Alphanumeric 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 the word “ can be used for simple letter display and digital display.
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ELECFREAKS Octopus Analog Noise Sensor
$2.45Octopus Analog Noise Sensor Detection Module is a sound sensor module based on the MIC sound-sensing elements. The sound Sensor is particularly sensitive to sound intensity, and it can be used to detect ambient sound levels. Louder noise brings bigger output Sine wave amplitude.
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ELECFREAKS Octopus Analog Photocell Brick
$1.90Photocells are basically a resistor that changes their resistive value (in ohms Ω) depending on how much light is shining onto the squiggly face. They are very low cost, easy to get in many sizes and specifications, but are very inaccurate. Each photocell sensor will act a little differently than the other, even if they are from the same batch. The variations can be really large, 50% or higher! For this reason, they shouldn’t be used to try to determine precise light levels in lux or millicandela. Instead, you can expect to only be able to determine basic light changes
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ELECFREAKS Octopus Analog Rotation Brick
$2.50Octopus 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 a MIDI instrument.
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ELECFREAKS Octopus Analog Rotation Brick-Blue
$2.39DESCRIPTION Octopus analog rotation brick is a 10K potentiometer module. Rotating the knob to change its resistance can realize […]
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ELECFREAKS Octopus Analog UV Sensor (GUVA-S12SD)
$5.50ELECFREAKS 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 instruments, and flame detection, etc,
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ELECFREAKS Octopus BME280 Pressure Sensor
$16.90ELECFREAKS Octopus BME280 Pressure Sensor is an electric brick, which has an integrated temperature sensor, air pressure sensor, and humidity sensor onboard. We can use it to measure humidity, temperature, and air pressure, or even to calculate the altitude according to the measured air pressure.
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ELECFREAKS Octopus Button Switch Brick
$1.99This is a Button Switch with Circle Transparent Cap, 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 to be used for Chip kit, STM32, AVR, ARM, and other mirc-MCU.
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ELECFREAKS Octopus Capacitive Soil Moisture Sensor (Analog Capacitive Soil)
$3.90ELECFREAKS Octopus Capacitive Soil Moisture Sensor (Analog Capacitive Soil) 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.
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ELECFREAKS Octopus Crash Sensor
$1.88Crash Sensor Brick is a sensor module based on the crash switch, simple circuit design, and high sensitivity.
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ELECFREAKS Octopus DHT11 Temperature And Humidity Sensor
$5.98The DHT11 Temperature And Humidity Sensor is a module based on the DHT11 digital temperature and humidity sensing element. Simple design, and sensitivity to the ambient temperature and humidity changes. The DHT11 Temperature And Humidity Sensor can be used for temperature alarms, humidity testing, and other work.
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ELECFREAKS Octopus Digital PushButton Brick – Blue
$1.99This 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 to be used for Chipkit, STM32, AVR, ARM, and other mirc-MCU.
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