LDR module 4 PIN Operating voltage 3.3V-5V Signal output indicator light. LDR module 4 PIN Able to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)
Operating Voltage: 3V-5V High-resolution conversion of light intensity to frequency. Chip pins all has drawn for standard 100. Put the needle (2.54 mm). Mil-convenient for bitmap board. Programmable color and full-scale output frequency. Communicate directly with a microcontroller. Low-profile surface mount package.