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Sensor

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  1. 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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  2. This sensor is a tempeterature detector used to test the liquid temperature based on 18b20.

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  3. Octopus Light Sensor Brick can read the light value of the current environment.

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  4. 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.

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  5. OCTOPUS GAS Sensor MQ3 is a type of electronic building blocks based on alcohol sensor MQ3, used to detect alcohol concentration.

    This item would be removed off after selling out.

    News: All of Octopus bricks has supported Scratch programming. ElecFreaks builded EFBlock support drag and drop programming . Guide please check here

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  6. 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.

    News: All of Octopus bricks has supported Scratch programming. ElecFreaks builded EFBlock support drag and drop programming . Guide please check here

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  7. The Voltage Divider can detect the supply voltage upto 80V. The Voltage Divider module is based on resistor(1K and 15K Precision resistors) divider principle. The voltage detection module allows the input voltage to reduce 16 times. As the Arduino analog input voltage is up to 5V, so voltage detection module's input voltage can not be greater than the 5Vx16 = 80V. Because of the Arduino's 10 bit ADC, that means sampling resolution are 0.00489V(5V/1023).So the module's minimum input voltage is 0.00489Vx5=0.02445V.

    This item would be removed off after selling out.

    News: All of Octopus bricks has supported Scratch programming. ElecFreaks builded EFBlock support drag and drop programming . Guide please check here

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  8. 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. When the LED light module connected to Arduino, the digital pin (LOW on, HIGH off) is used to control it. The brightness of LED can be controlled via PWM output.

    News: All of Octopus bricks has supported Scratch programming. ElecFreaks builded EFBlock support drag and drop programming . Guide please check here

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  9. Photocells 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. Photocells are basically a resistor that changes its 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 innacurate. 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.

    News: All of Octopus bricks has supported Scratch programming. ElecFreaks builded EFBlock support drag and drop programming . Guide please check here

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  10. Temperature 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. 3P Octopus Bricks Interface,input 5V - GND, S for signal output.

    News: All of Octopus bricks has supported Scratch programming. ElecFreaks builded EFBlock support drag and drop programming . Guide please check here

    Learn More

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