HOW TO MAKE A IR PROXIMITY SENSOR

Circuit diagram - https://drive.google.com/file/d/17c1BghDGBPCNpjNv6WSaiLQMZArcWhGY/view?usp=drivesdk

Components needed:

1)lm358 ic and ic base 2)ir transmitter and receiver pair 3)led 4)10k,220r,470r resistors 5)10k potentiometer 6)pcb 7)9v battery and clip 8)buzzer ... https://www.youtube.com/watch?v=Yhd2sCkCJrM