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 60
  1. THICKO

    Using CD4040 as PLL divider

    THICKO, Apr 18, 2019 at 7:58 AM
    Last message by crutschow Apr 18, 2019 at 11:02 AM
    Replies:
    8
    Views:
    71
  2. sirchuck

    Cool 555 circuit, use transistors instead of LEDs?

    sirchuck, Apr 17, 2019 at 8:12 PM
    Last message by sghioto Apr 18, 2019 at 11:01 AM
    Replies:
    11
    Views:
    148
  3. Sigma229

    How to make remote controlled latching door trigger siren.

    Sigma229, Apr 17, 2019 at 1:54 AM
    Last message by Yaakov Apr 18, 2019 at 10:16 AM
    Replies:
    12
    Views:
    159
  4. amod.mujumdar

    LT Spice for Digital circuit simulation

    amod.mujumdar, Apr 2, 2019
    Last message by Bordodynov Apr 17, 2019 at 7:11 AM
    Replies:
    57
    Views:
    1,447
  5. Q-ball

    Adding alarm to Digital Clock

    Q-ball, Apr 16, 2019 at 2:51 PM
    N/A
    Replies:
    –
    Views:
    –
  6. Константин Альфимов

    dimming led display from windows, M.B NUC7I7DNBE

    Константин Альфимов, Apr 1, 2019
    Last message by danadak Apr 15, 2019 at 9:42 PM
    Replies:
    10
    Views:
    185
  7. bribri

    xx4059 divider + shift register

    bribri, Apr 2, 2019
    Last message by bribri Apr 14, 2019 at 12:56 PM
    Replies:
    16
    Views:
    272
  8. Wolframore

    Logic levels

    Wolframore, Apr 12, 2019 at 10:24 AM
    Last message by Wolframore Apr 12, 2019 at 12:40 PM
    Replies:
    8
    Views:
    160
  9. ponferrada

    put a low state with 12V signal, without rele or optocoupler

    ponferrada, Apr 11, 2019
    Last message by Picbuster Apr 12, 2019 at 1:38 AM
    Replies:
    4
    Views:
    145
  10. nicolasp5186

    Level shifter 1.8 -> >= 3V

    nicolasp5186, Apr 11, 2019
    Last message by nicolasp5186 Apr 11, 2019
    Replies:
    8
    Views:
    120
  11. ShayneColbert

    ATmega Crystal and power layout

    ShayneColbert, Apr 10, 2019
    Last message by DickCappels Apr 10, 2019
    Replies:
    3
    Views:
    124
  12. pager48

    latch with inverter isn't latching

    pager48, Apr 8, 2019
    Last message by ericgibbs Apr 9, 2019
    Replies:
    25
    Views:
    236
  13. AdhesiveLamb

    Switching a 12v relay with Arduino

    AdhesiveLamb, Apr 8, 2019
    Last message by KeepItSimpleStupid Apr 9, 2019
    Replies:
    10
    Views:
    527
  14. super7800

    problem with shift registers

    super7800, Apr 3, 2019
    Last message by super7800 Apr 7, 2019
    Replies:
    21
    Views:
    548
  15. pyroartist

    High speed data aquisition circuit design for LIDAR

    pyroartist, Apr 4, 2019
    Last message by nsaspook Apr 4, 2019
    Replies:
    3
    Views:
    150
  16. Vijay Rana

    A simple circuit to read 3-400 pixels

    Vijay Rana, Apr 3, 2019
    Last message by AnalogKid Apr 4, 2019
    Replies:
    13
    Views:
    190
  17. lehieubk98

    Discretize continuous controller in Matlab-simulink

    lehieubk98, Apr 4, 2019
    Last message by lehieubk98 Apr 4, 2019
    Replies:
    1
    Views:
    51
  18. poddy

    Shift register 74HC165 current limiting?

    poddy, Apr 3, 2019
    Last message by danadak Apr 3, 2019
    Replies:
    3
    Views:
    104
  19. elli_780

    Need solution manual pdf for a Moris Mano digital circuit book

    elli_780, Apr 2, 2019
    Last message by WBahn Apr 3, 2019
    Replies:
    3
    Views:
    87
  20. leogeo88

    Phidget 1046 with VGA StudentDAQ

    leogeo88, Apr 2, 2019
    Last message by leogeo88 Apr 2, 2019
    Replies:
    0
    Views:
    58
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