Digital Circuit Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)

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Page 1 of 23
  1. Green Bean

    Do 1 kilobit EPROMs exist?

    Green Bean, Jul 26, 2017 at 11:11 PM
    Last message by dl324 Jul 27, 2017 at 11:37 AM
    Replies:
    6
    Views:
    89
  2. instasquid

    555 timer to trigger relays

    instasquid, Jul 24, 2017 at 9:53 PM
    Last message by #12 Jul 27, 2017 at 11:29 AM
    Replies:
    12
    Views:
    164
  3. Brouhaha

    early (pre-1971) edge-triggered D flip-flop ICs

    Brouhaha, Jul 19, 2017
    Last message by Brouhaha Jul 27, 2017 at 3:23 AM
    Replies:
    9
    Views:
    282
  4. ananthesha.achar

    Difference between SD2.0 nad SD3.0 connector

    ananthesha.achar, Jul 27, 2017 at 2:59 AM
    Last message by ananthesha.achar Jul 27, 2017 at 2:59 AM
    Replies:
    0
    Views:
    32
  5. Jaimin Patel

    Not getting the desired output for the circuit below on myDaq

    Jaimin Patel, Jul 26, 2017 at 8:25 PM
    N/A
    Replies:
    –
    Views:
    –
  6. Gab Cruz

    Sine Wave Oscillator without using any ICs

    Gab Cruz, Jul 26, 2017 at 10:54 AM
    Last message by Gab Cruz Jul 26, 2017 at 2:27 PM
    Replies:
    9
    Views:
    122
  7. DanielLitwin

    An LED Chaser based on a 555 and 4017.

    DanielLitwin, Mar 25, 2017
    Last message by Bernard Jul 26, 2017 at 1:44 PM
    Replies:
    123
    Views:
    3,738
  8. MLuis

    DC motor doesn't rotate with low duty cycle PWM using L293D

    MLuis, Jul 20, 2017
    Last message by MLuis Jul 26, 2017 at 1:30 PM
    Replies:
    37
    Views:
    481
  9. vagom

    Replacing an old 6514 SRAM

    vagom, Jul 18, 2017
    Last message by ian field Jul 25, 2017 at 3:20 PM
    Replies:
    15
    Views:
    244
  10. SoundBlaster

    Push to toggle mute circuit for Amazon Echo microphone

    SoundBlaster, Jul 19, 2017
    Last message by AnalogKid Jul 24, 2017 at 5:34 PM
    Replies:
    5
    Views:
    111
  11. ebenmoore

    How can I convert potentiometer 555 pwm replacing it with hall sensor throttle

    ebenmoore, Jul 24, 2017 at 4:48 AM
    Last message by EM Fields Jul 24, 2017 at 4:40 PM
    Replies:
    7
    Views:
    131
  12. madhavdivya

    Flasher unit with Dawn Dusk Controller.

    madhavdivya, May 12, 2017
    Last message by madhavdivya Jul 24, 2017 at 12:41 AM
    Replies:
    34
    Views:
    1,039
  13. Engr Tech

    microchip working

    Engr Tech, Jul 23, 2017 at 1:16 PM
    Last message by ian field Jul 23, 2017 at 1:49 PM
    Replies:
    5
    Views:
    99
  14. osmargarnica

    Logic Gate messing my signal.

    osmargarnica, Jul 21, 2017 at 6:08 AM
    Last message by bertus Jul 23, 2017 at 9:12 AM
    Replies:
    11
    Views:
    203
  15. Lennon John

    hardware design engineers

    Lennon John, Jul 19, 2017
    Last message by WBahn Jul 21, 2017 at 3:08 PM
    Replies:
    13
    Views:
    379
  16. RamsesX2

    Circuit for converting Binary to BCD

    RamsesX2, Jan 27, 2017
    Last message by crutschow Jul 21, 2017 at 11:29 AM
    Replies:
    21
    Views:
    1,122
  17. moomo

    What are the requirements for the inputs of HX711?

    moomo, Jul 19, 2017
    Last message by ericgibbs Jul 21, 2017 at 3:30 AM
    Replies:
    5
    Views:
    149
  18. Brandon Liu

    Wiring 64 reed switches to an arduino

    Brandon Liu, Jul 19, 2017
    Last message by dl324 Jul 20, 2017
    Replies:
    9
    Views:
    204
  19. Alice24

    Newbie question before purchasing a vacuum sensor

    Alice24, Jul 20, 2017
    Last message by MaxHeadRoom Jul 20, 2017
    Replies:
    4
    Views:
    104
  20. stoopkid

    +/-6v power from 12v and how to multiplex it.

    stoopkid, Jul 4, 2017
    Last message by crutschow Jul 19, 2017
    Replies:
    27
    Views:
    453
Showing threads 1 to 20 of 449
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