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 67
  1. talexander

    Arduino UNO AF/FM Radio Si4844-B20 I2C Issues

    talexander, Feb 20, 2019
    Last message by feiyun151 Oct 13, 2019 at 10:09 AM
    Replies:
    75
    Views:
    1,639
  2. Udhaya Prakash Jayaram

    Push Button Long press On/Off dual function

    Udhaya Prakash Jayaram, Jan 5, 2017
    Last message by sentinels Oct 13, 2019 at 12:36 AM
    Replies:
    41
    Views:
    2,841
  3. Mellisa_K

    PWM circuit to dim an LED

    Mellisa_K, Aug 9, 2019
    Last message by dl324 Oct 12, 2019 at 12:24 AM
    Replies:
    149
    Views:
    2,843
  4. jwells02

    Problems with TB6560 Driver Chip

    jwells02, Oct 8, 2019 at 4:19 PM
    Last message by jwells02 Oct 10, 2019 at 7:12 PM
    Replies:
    8
    Views:
    135
  5. cminke

    MCU choice, Comm's protocol help & EMI challenges!

    cminke, Oct 7, 2019 at 12:59 PM
    Last message by danadak Oct 10, 2019 at 4:16 PM
    Replies:
    6
    Views:
    169
  6. andreas2019

    How to complete or regenerate missing pulse?

    andreas2019, Oct 9, 2019 at 1:35 PM
    Last message by WBahn Oct 9, 2019 at 9:09 PM
    Replies:
    6
    Views:
    129
  7. Vinnie90

    Undefined Voltage Region in Switching Digital Logic

    Vinnie90, Oct 8, 2019 at 4:33 PM
    Last message by WBahn Oct 9, 2019 at 10:21 AM
    Replies:
    10
    Views:
    131
  8. Lemon_Foam

    Logic circuit output for TC4071BP

    Lemon_Foam, Oct 7, 2019 at 5:56 AM
    Last message by WBahn Oct 9, 2019 at 10:09 AM
    Replies:
    8
    Views:
    213
  9. aschneider19

    Multiple LEDs, Multiple Switches, One Power Supply

    aschneider19, Oct 7, 2019 at 8:41 PM
    Last message by Dodgydave Oct 9, 2019 at 10:09 AM
    Replies:
    2
    Views:
    105
  10. Eshawn

    Fix pulse width, add and subtract frequencies

    Eshawn, Oct 5, 2019
    Last message by Eshawn Oct 9, 2019 at 7:58 AM
    Replies:
    25
    Views:
    370
  11. Kelvin Lee

    How to wire a TTP223 Touch sensor switch with 12V LED belt

    Kelvin Lee, Oct 7, 2019 at 5:40 AM
    Last message by TeeKay6 Oct 7, 2019 at 10:59 PM
    Replies:
    5
    Views:
    127
  12. amod.mujumdar

    LT Spice for Digital circuit simulation

    amod.mujumdar, Apr 2, 2019
    Last message by Bordodynov Oct 7, 2019 at 5:15 AM
    Replies:
    74
    Views:
    2,589
  13. allcircuits-sr

    Please Help for de CTS/RTS/DCD/DSR/DTR pin of FT232RL

    allcircuits-sr, Oct 5, 2019
    Last message by MrChips Oct 6, 2019
    Replies:
    13
    Views:
    239
  14. Oz V

    How does a cpu represent bits physically ?

    Oz V, Oct 5, 2019
    Last message by WBahn Oct 5, 2019
    Replies:
    29
    Views:
    320
  15. crmack

    Oscillating cd40106 and using momentary switches for latching on/off state and capacitance

    crmack, Sep 8, 2019
    Last message by danadak Oct 4, 2019
    Replies:
    16
    Views:
    375
  16. fieryfire

    DG408 glitch

    fieryfire, Sep 25, 2019
    Last message by ericgibbs Sep 30, 2019
    Replies:
    13
    Views:
    364
  17. daba1955

    Are 74HC573 and 74HC574 interchangeable ?

    daba1955, Sep 26, 2019
    Last message by Papabravo Sep 28, 2019
    Replies:
    11
    Views:
    292
  18. Chris Lascelles

    Correct connections for PhotosMOS SSR

    Chris Lascelles, Sep 28, 2019
    Last message by bertus Sep 28, 2019
    Replies:
    4
    Views:
    85
  19. maanas.adi

    CD4098 Monoshot negative edge trigger problem

    maanas.adi, Sep 24, 2019
    Last message by eetech00 Sep 28, 2019
    Replies:
    17
    Views:
    435
  20. Mcdowell

    How to read MPC H8-3694 (Programmer)

    Mcdowell, Sep 20, 2019
    Last message by Mcdowell Sep 26, 2019
    Replies:
    2
    Views:
    115
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