How to Make an Adjustable 555 Timer Relay Switch | Monostable Multivibrator

Описание: DIY Variable Timer is an Electronics Project which uses Monostable Circuit to set a time delay controller module between 1 - 100 seconds and triggers a relay switch.

Instructable:- https://bit.ly/2Kou8UG
Circuit Diagram / Eagle Schematic:- https://bit.ly/317pRuT
Printable PCB Layout:- https://bit.ly/2wy2xIr

Buy PCB:- https://bit.ly/2ETyaRc

💡Electronic Components:-
IC 555 - http://s.click.aliexpress.com/e/sCv1ACC
IC Holder - http://s.click.aliexpress.com/e/cHvnfsrA
Resistors - http://s.click.aliexpress.com/e/bh4eqrQs
Potentiometer - http://s.click.aliexpress.com/e/bR23nRuG
Diode - http://s.click.aliexpress.com/e/HW1fm16
Tactile Switch - http://s.click.aliexpress.com/e/c77Ajrpq
LED - http://s.click.aliexpress.com/e/wuFpLXS
Electrolytic Capacitor - http://s.click.aliexpress.com/e/c9FHzl5W
Ceramic Capacitor - http://s.click.aliexpress.com/e/byQG0DZW
Screw Terminal - http://s.click.aliexpress.com/e/bj5UNUs0
12VDC Relay - http://s.click.aliexpress.com/e/xyrHlu8
12V Power Adapter - http://s.click.aliexpress.com/e/V0x0bms
SPDT Slide Switch - http://s.click.aliexpress.com/e/cDjWUvjK
PCB - http://s.click.aliexpress.com/e/dhgwzKY

🛠️Tools:-
Soldering Iron - http://s.click.aliexpress.com/e/E83bSJI
Soldering Wire - http://s.click.aliexpress.com/e/PdhB0nm
Mini PCB Hand Drill + Bits - http://s.click.aliexpress.com/e/b93tomjI
Wire Cutter - http://s.click.aliexpress.com/e/bHFL9vLi
Wire Stripper - http://s.click.aliexpress.com/e/4yJWedw
Soldering Helping Hands - http://s.click.aliexpress.com/e/cAQ2StNm

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