2Pcs Pro Grade IR Break Beam Sensor Through Beam Photoelectric Switch 5mm LED Counting Module For Relay K60 PLC 51 Microcontroller STM32 With 30cm Cable And 1m Test Distance

Dual IR Break Beam Sensor Set for Relay and PLC Systems
✔️ 2x IR break-beam sensors, 1 m test distance, 5V, NPN NO output

Two compact IR break beam sensors arrive as a 2-piece kit, ideal for counting, edge detection, and non-contact sensing in automation. They slot into relay, K60 PLC, 51 MCU, STM32, and Arduino projects for reliable digital signaling from a 5V supply.

✅ Detection distance up to 1 m with infrared break-beam sensing
✅ Output: NPN normally open, 70 mA max drive, 2 ms response
✅ Wiring: red to +5V, black to ground, yellow to signal with 1 kΩ pull-up
✅ Operating temp -10 to 60°C; indoor use; 50,000 h life
✅ Compatible with relays, K60, PLC, 51 MCU, STM32, Arduino

💡 What is an infrared break beam sensor used for in automation and counting systems? This handy sensor helps detect objects without contact, making it handy for position sensing, counting, and line monitoring. Used for conveyor edge detection and object counting in industrial setups. Reliable non-contact sensing in tight spaces with fast 2 ms response. Compatible with microcontrollers and PLCs for easy integration. Works well with relays and logic to trigger alarms or controls.