This project is Visitor counter Without microcontroller 

The circuit Explained in this Youtube Video: https://www.youtube.com/watch?v=_GORtOJU0GQ


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)


Aug 05,2019
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