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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

digital clock

  1. F

    My Nixie clock project feels really close to working... but not quite

    I've been iterating on this design off and on for quite a while, adding more and more complications as a way to learn different things. Now I have a 12 Nixie display for date and time. I have a main controller board with a PIC MCU as the brains, which also controls a boost converter which...
  2. J

    [Solved] AND as logic switch?

    Hi Based on the logic table for AND gates, i should be able to use either as a simple digital switch. That is, say input 1 is running at 40khz, and input 2 is 1 Hz. Then, every second, our output should toggle between 0 for half a second, then 40kHz for half a second. Correct? **broken link...
  3. Rahul G

    Building a Digital Clock using 74HC393 and 7447 and 555 timer

    Hey, I am completely new at building these circuits, and dont know anything at all about ICs. I ended up ordering the wrong parts than what I needed, and have 10 IC 74HC393 and 10 IC 7447 and a couple of other IC's which are gates. I would greatly appreciate it if someone could help me out and...

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