Introduction to HC-SR501, HC-SR501 basics, HC-SR501 pinout, hcsr501 pinout, hcsr501 basics Hello friends, I hope you all are doing great. In today's tutorial, we are gonna have a look at detailed Introduction to HC-SR501. HC-SR501 is basically a motion detector sensor, which uses infrared waves for detection of an object. It is an automatic control device, also have large sensitivity and ...