10/29/2023 0 Comments Arduino uno blue datasheetThe LDR gives out an analog voltage when connected to VCC (5V), which varies in magnitude in direct proportion to the input light intensity on it. It's inexpensive, and you can buy it from any local electronics store or online. The sensor that can be used to detect light is an LDR. This system works by sensing the intensity of light in its environment. We can take advantage of this LDR property and use it in our DIY Arduino LDR sensor project. The LDR is a special type of resistor that allows higher voltages to pass through it (low resistance) whenever there is a high intensity of light, and passes a low voltage (high resistance) whenever it is dark. In order to detect the intensity of light or darkness, we use a sensor called an LDR (light dependent resistor). Related Article: Arduino: Three Powerful Yet Overlooked Uses Use it to automatically turn a light on when there isn’t sufficient light in a room. You can even use this as an emergency lighting system. Whenever a room gets dark due to a fused bulb or any other factors, a light bulb automatically turns on. Wouldn’t it be cool if we could eliminate darkness? In this Arduino project, I have posted a very simple project that focuses on eliminating darkness.
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