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ELECFREAKS Octopus RFID
$24.90The Octopus RFID can write or read data in tags and cards without contact. Use it to make an unmanaged parking lot!
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ELECFREAKS Octopus Rotary Encoder Brick
$3.98A rotary or “shaft” encoder is an angular measuring device. It is used to precisely measure the rotation of motors or to create wheel controllers (knobs) that can turn infinitely (with no end stop as a potentiometer has). Some of them are also equipped with a pushbutton when you press on the axis (like the ones used for navigation on many music controllers). They come in all kinds of resolutions, from maybe 16 to at least 1024 steps per revolution, and cost from 2 to 200 EUR or so.
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ELECFREAKS Octopus Segment LED Brick
$5.99OCTOPUS 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 a clock point and decimal point can be used for simple clock display and digital display.
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ELECFREAKS Octopus Sharp Dust Sensor (Sharp GP2Y1010AU0F)
$15.65Octopus Sharp Dust Sensor Detector Module with Sharp GP2Y1010AU0F adopts Sharp optical dust sensor(GP2Y1010AU0F). It is used to detect the density of dust particles with a diameter beyond 0.8μm such as cigarette smoke.
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ELECFREAKS Octopus Single RGB Rainbow LED
$2.39Octopus Single RGB Rainbow LED is one of the single rainbows LED electronic bricks in the 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 Octopus Single RGB Rainbow LED is a smart LED and an integration of a control circuit and light-emitting circuit, it can be operated under a low voltage with high luminance and large angle scattering.
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ELECFREAKS Octopus Smoke Sensor MQ-2 Brick
$3.90The analog gas sensor – MQ2 is used in gas leakage detecting equipment in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane, alcohol, Hydrogen, and smoke. It has high sensitivity and a fast response time. And the sensitivity can be adjusted by the potentiometer.
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ELECFREAKS Octopus Smoke Sensor MQ-5 Brick
$4.99The analog gas sensor – MQ5 is used in gas leakage detecting equipment in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane, alcohol, Hydrogen, and smoke. It has high sensitivity and a fast response time. And the sensitivity can be adjusted by the potentiometer.
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ELECFREAKS Octopus Soil Moisture Sensor module
$2.99This Soil Moisture Sensor module 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).
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ELECFREAKS Octopus Sonar:bit (Distance Sensor Ultrasonic)
$8.90ELECFREAKS offers quality Octopus Sonar:bit (Distance Sensor Ultrasonic) which is a distance sensor ultrasonic, it can output stable and accurate measurement data and the error is only ±1cm
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ELECFREAKS Octopus Tilt Sensor
$2.29Octopus Tilt Sensor is a sensor based on a tilt switch, used together with Arduino specific sensor shield for the measurement of object angle. Three pins electronic building blocks interface: input 5V – GND. S for the detection pin.
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ELECFREAKS Octopus TMP36 Temperature Sensor
$2.90ELECFREAKS Octopus TMP36 Temperature Sensor is a temperature sensor with low voltage and accurate celsius read. It can provide a voltage output, which forms a linear relationship with celsius temperature. TMP36 does 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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ELECFREAKS Octopus Touch PAD Sensor
$3.07Touch PAD Brick is a sensor module mainly through the capacitive touch TTP223-BA6 charge IC and the body of pressure, ceramics, glass, and other dielectric materials, and the charge level is used to detect small changes in a touch switch of a sensor module. Circuit design is simple, with just four operating modes. It has been widely used in induction cookers, microwaves, washing machines, refrigeratorss, electronic scales, electronic watches, toys, and other consumer products.
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