Sunday, August 4, 2019

Visitor counter without microcontroller

This project is Visitor counter Without microcontroller. It can help to Power saving by switch OFF the room lamps when no body in the room.
The circuit Explained in this Youtube Video: 

You can order the PCB here on PCBWay.com

Visitor counter without Arduino



Parts list:
IC 40110 (2pcs)
IC 4093
Optocoupler PC817 (2pcs)
7Segments common cathode (2pcs)
Diode 1N4007 (4pcs)
Laser 5v 5mW (2pcs)
LDR (2pcs)
LED
Relay 5V
Transistor S8550
Capacitor 100nF (2pcs)
Capacitor 10uF
Capacitor 220uF
Resistor 1M
Resistor 1.5K (2pcs)
Resistor 100K
Resistor 6.8K
Resistor 4,7K (2pcs)
Resistor 200R (15pcs)

Circuit:

Visitor counter without microcontroller



Gerber File and order the PCB: 
Visitor counter without microcontroller


Video: