About This

• Basic Parameters: KY-039 Rated 5V operating voltage, 3 pins, black housing, 5 pieces in total.
• Sensing Structure: Equipped with ultra-bright infrared lamp and photosensitive transistor for signal capture.
• Working Principle: Light flux changes with internal flow, bringing slight resistance variation for stable sensing.
• Compact Design: Small size and neat structure, easy to install and arrange.
• Wide Application: Simple wiring, ideal for circuit experiments and electronic DIY projects.

Overview

• Brand : Truloven
• Item dimensions L x W x H : 4.17 x 2.87 x 0.71 inches
• Material : KY-039
• Style : KY-039
• Current Rating : 1 A