How To Make Infrared Proximity Sensor

Shematic & PCB:
https://drive.google.com/drive/folder...

How To Make PCB At Home (Homemade PCB):
   • How To Make PCB  At Home (Homemade PCB)  

Components and supplies:
220 ohm Resistor X2 (¼ Watt, %5 Tolerance)
150 ohm Resistor (¼ Watt, %5 Tolerance)
10K ohm Resistor (¼ Watt, %5 Tolerance)
78L05 Voltage Regulator (DIP package)
10K ohm Preset Potentiometer Trimpot
Infrared Transmitter LED (Package: 5mm)
Infrared Receiver LED (Package: 5mm)
5mm LED (Green)
5mm LED (Red)
LM358 dual operational amplifier (DIP package)
Active Buzzer (5V)
DIP switch 1 way
9V Battery Connector
2-Pin Screw Terminal Block
9-Volt Battery

Seasons:
00:00 Schematic diagram & PCB design
00:30 Circuit assembly
04:14 Circuit setup
04:35 Circuit testing