KNACRO 4Channel Photosensitive Resistance Sensor Module Various Light Brightness Detection

1, The use of photosensitive resistance sensor; 2, The comparator output, the signal clean, good waveform, strong driving ability, more than 15mA. 3, With the potentiometer to adjust the sensitivity; 4, Working voltage 3.3V-5V; 5, The output form: digital switch output (0 and 1); 6, With a fixed bolt hole for easy installation; 7, Small board PCB size: 3.2cm x 1.7cm; 8, Using a wide voltage LM393 comparator; Module Interface Description: 1.DO1 --- 1-Channel TTL level output; 2.DO2 --- 2-Channel TTL level output; 3.DO3 --- 3-Channel TTL level output; 4.DO4 --- 4-Channel TTL level output; 5.GND --- power supply negative; 6.VCC --- power supply positive ; Module instructions 1, the photosensitive resistance module is the most sensitive to ambient light, generally used to detect the brightness of the ambient light. 2, The module outputs high level when the ambient light brightness can not reach the set threshold, when the ambient light brightness exceeds the set threshold, the module outputs low level; 3, the output can be connected directly with the microcontroller through the microcontroller to detect high and low levels, thereby detecting the ambient light brightness changes; 4, the output terminal can directly drive restaurant relay module, which can form a light-controlled switch; Package Included: 1*4-Channel Photosensitive Resistance Sensor Module If you have any question , please feel free to contact us. Feedback: We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help. Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem.Thank you very much!