Octopus Analog Photocell Brick - Light Sensor
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HK$32.00
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Regular price
HK$29.00
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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.
Link: https://wiki.elecfreaks.com/en/microbit/sensor/octopus-sensors/sensor/octopus_ef04092
