Analog Timer for 230V AC Load using 555

Design of a simple circuit of analog timer for 230V AC load has been shown in this video.
Component List:
NE555 IC - 01
Potentiometer 100K - 01
Electrolytic Cap 330uF/25V - 01
Ceramic Disc Capacitor 0.01uF/16V - 01
Push Button - 01
Resistor 10K - 01
MOC 3021 Optocoupler IC - 01
Resistor 220E - 04
LED - 01
TRIAC BT136 - 01
2 Pin Terminal Block - 03,
General Purpose PCB - 01

[@zerovolt24]

Hello, very good project and nice drawing, thanks.

[@VKYadav]

Thank you!