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Door access controller

I am trying to design a 4 door access controller. I have a complete wo...
 

Blind Temperature Controller

ar_subject: delabs formmail, message: from SJ, for my hobby purpose (p...
 

Some Cyclic Timer Links

Electronic design assistance needed, I am seeking assistance from some...
 

How to Calculate THD

I want to know about IEEE 519 Harmonics standards. And Formulas to cal...
 

Two Stage Sequential Timer Part-1

The below conversation exported from eudora my email client is related...
 

Two Stage Sequential Timer Part-2

Continued from Part-1 Part-2 Li-Ion Battery Charger.The below convers...
 

Digital weight Indicator

I need some details of a digital weight Indicator. ......................
 

Presettable Up-Down counter-timer

I am looking for a schematic for a pre settable Up/Down counter that I...
 

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