use: Light intensity detection, light intensity sensor, intelligent car search module Module features: 1, the use of sensitive photosensitive resistance sensor 2. Comparator output, clean signal, good waveform, strong driving ability, over 15mA. 3, with adjustable potentiometer adjustable light intensity 4, working voltage 3.3V-5V 5, output form: digital switch output (0 and 1) 6, with a fixed bolt hole, easy to install 7, small board PCB size: 3.2cm x 1.4cm 8, using a wide voltage LM393 comparator Module instructions: 1. The photo-resistor module is most sensitive to ambient light and is generally used to detect the brightness of ambient light, triggering a microcontroller or relay module, etc. 2. When the ambient light brightness of the module does not reach the set threshold, the DO output is high. When the ambient light brightness exceeds the set threshold, the DO output is low; 3, DO output can be directly connected with the microcontroller, through the microcontroller to detect high and low, thus detecting the ambient light brightness changes; 4, DO output can directly drive our shop relay module, which can form a light control switch. Product wiring instructions: 1, VCC connected to the power supply positive 3.3-5V 2. GND is connected to the negative pole of the power supply 3, DO TTL switch signal output
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time Delivery If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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