HY-SRF05 - Ultrasonic distance sensor
HY-SRF05 Precision Ultrasonic Sensor An ultrasonic ranging sensor with slightly better accuracy.
Ultrasonic sensors overcome many of the weaknesses of IR sensors - they provide distance measurement regardless of color and lighting of obstacles.
They also provide lower minimum distances and wider angles of detection to gaurantee that obstacles are not missed by a narrow sensor beam.
THIS particular model is an upgrade from the lower precision HC-SRO4.
This has 5 pins and can be used in 1pin trigg