DIY timer circuit board

DIY timer circuit board:

This is a DIY timer circuit board. this diagram is so easy to make. it’s an important diagram in the electronics sector. sometimes we need the power to be switched on after some time. for this, we can use this diagram. here has a variable to adjust the time. we can set the time according to our needs. like 0.2 seconds to 2 hours. 

It’s run with 12 voltage 1 amperes. the diagram 

here is the video

 

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