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Time Delay Based Relay Operated Load

8,100.00 6,100.00

*Free shipping
*100% Working Project
*Abstract included
*Ready to run kits

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The project is designed to develop a time delay based switch to control any load.  A 555 timer is used in mono stable mode to drive a relay to switch ON/OFF a load for fixed time duration.

A time delay based relay is a relay that stays on for a certain period of time once activated. This circuit is made up of a simple adjustable timer circuit which controls the actual relay.

The time is adjustable from 0 to few seconds but can be increased by increasing the time constant of the mono-stable 555-timer. The current handling capacity of the load is limited by the kind of relay used. The project is offered with a lamp as a load.

Hardware Requirements

  • Resistors
  • Potentiometer
  • Capacitors
  • Diodes
  • Relay
  • Timer IC
  • Lamp

Software Requirements

None