instructable "Arduino Nano: Infrared Obstacle Avoidance Sensor with Visuino" by BoianM Arduino beta "How to Increase the Detection Distance on Arduino KY-032 Obstacle Avoidance Sensor" Lewis Loflin’s Blog "Interfacing Arduino IR Sensor Module" Bruno Santos’ Blog "The Funduino Tracking Maze Ro...
and the working voltage is 3.3V-5V. Due to the wide working voltage range, It can still work stably even when the power supply voltage fluctuates greatly. It is suitable for a variety of single-chip microcomputers, Arduino contr...