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The LDR Sensor Module is used to detect the presence of light or measure light intensity. The output of the module goes high in the presence of light and becomes low in its absence. The sensitivity can be adjusted using the onboard potentiometer.
A0
D0
D0 outputs HIGH; when it exceeds the threshold, D0 outputs LOW.D0 can be connected directly to a microcontroller to detect TTL level changes.D0 can also drive a relay module to create a photoelectric switch.A0 can be connected to an ADC to obtain accurate light intensity readings.*Product images are for illustrative purposes only and may differ from the actual product.
At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.
Most items sold on ROBODIUM™ can be returned within the return window, including:
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All products include a minimum 15-day warranty against manufacturing defects, unless otherwise specified on the product page.
Warranty does not cover misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.
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