a light source you may need to put cells in
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TORCH...
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Photocells act as light sensors. Inlike infrared sensors that are good for line followers or detecting the presense of an object, photocells are good when you just want to detect light. For example, you might want a sensor that detects when a flashlight is on, or when the sun is out....................i hope it will help u
Photocells act as light sensors. Inlike infrared sensors that are good for line followers or detecting the presense of an object, photocells are good when you just want to detect light. For example, you might want a sensor that detects when a flashlight is on, or when the sun is out....................i hope it will help u
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