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Adafruit Photo cell (CdS photoresistor)
- Symmetric pins
- Not RoHS compliant
- Resistance range is 1K - 10K
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Key Features
- Resistance range is 1K - 10K
- Symmetric pins
- Not RoHS compliantKEY_TAB
CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about ~1KΩ, when dark it goes up to ~10KΩ.
To use, connect one side of the photo cell (either one, its symmetric) to power (for example 5V) and the other side to your microcontroller's analog input pin. Then connect a 10K pull-down resistor from that analog pin to ground. The voltage on the pin will be 2.5V or higher when its light out and near ground when its dark.
Item Specifics
Length: 4.46mm/0.18in
Width: 5mm/0.20in
Height: 2.09mm/0.08in
Weight: 0.25g/0.01oz
CdS photocells are not RoHS compliant
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by 3DMakerWorld Return Policy
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