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Digital Design

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

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S

Problem Square wave generator/Multivibrator astable with 741

Last message by

tgu

May 4, 2016

13: Replies

9K: Views

NE555 squarewave oscillator not reaching rail voltage

Last message by

crutschow

May 1, 2016

9: Replies

3K: Views

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555 Timer Edge Triggering Options...

Last message by

NFA Fabrication

Apr 28, 2016

5: Replies

4K: Views

why memory block size of nand and nor flash differ

Last message by

dl324

Apr 28, 2016

1: Replies

1K: Views

P

Cannot remove usb/lan port from motherboard

Last message by

Roderick Young

Apr 26, 2016

12: Replies

4K: Views

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Usb charger using smps..

Last message by

Ahacker

Apr 26, 2016

4: Replies

2K: Views

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blink blink fade on led with 555 timer

Last message by

Dyslexicbloke

Apr 25, 2016

1: Replies

2K: Views

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Nand logic gate problem

Last message by

Copey84

Apr 25, 2016

2 3

53: Replies

7K: Views

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Seeking weatherproof, in-use USB connector

Last message by

Involute

Apr 21, 2016

3: Replies

1K: Views

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7-Seg Clock using only logic gates and Flip Flop

Last message by

absf

Apr 18, 2016

13: Replies

7K: Views

Car cigarette lighter adapter with USB car charger mod

Last message by

kherova

Apr 18, 2016

2: Replies

1K: Views

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How to enable usb and sd card functionality in a 7" lcd display panel

Last message by

krishmaxxx

Apr 18, 2016

0: Replies

1K: Views

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

Last message by

Dodgydave

Apr 17, 2016

2: Replies

3K: Views

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What wattage resistors for 555 timer circuit?

Last message by

DickCappels

Apr 16, 2016

14: Replies

4K: Views

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Driving IGBT from cascaded 555s

Last message by

JdJ

Apr 14, 2016

19: Replies

5K: Views

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Converting Square wave to DC voltage

Last message by

wayneh

Apr 13, 2016

18: Replies

20K: Views

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Relays energized by timer 555

Last message by

Dodgydave

Apr 12, 2016

6: Replies

2K: Views

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Need some help with multiplexing 4 pins into 2

Last message by

bytraper

Apr 11, 2016

2

20: Replies

3K: Views

24 RGB LED's with PWM, to use Multiplexers or Shift Registers?

Last message by

hp1729

Apr 11, 2016

2 3

41: Replies

9K: Views

A

Simple variable square wave generator?

Last message by

ian field

Apr 10, 2016

3: Replies

3K: Views

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