Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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Danny Lewis
Help with optically detecting an object
Last message by
hp1729
4
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2K
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Andrew Armstrong
Can somebody help me design a comparator circuit?
Last message by
hp1729
2
26
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6K
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M
Any program like MultiSim for Mac or MultiSim for Mac?
Last message by
wayneh
1
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2K
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A
TB6560 AHQ proteus simulation
Last message by
Abderhmen
0
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11K
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Pavle Paja
How to fix usb port problem?
Last message by
Pavle Paja
10
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2K
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W
Programming GALs -- USB hardware, tutorials, alternatives?
Last message by
dl324
1
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1K
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G
555 Timer getting extremly hot + PWM not working
Last message by
Ritalie
11
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4K
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inwo
MC14538B as astable ?
Last message by
inwo
2
38
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13K
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A
Simulation file for FDG6320C not working for PSpice v17.2
Last message by
Avshi
0
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1K
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N
WeMo Maker with keyfob
Last message by
Nello922
2
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1K
Views
Nanda Kumar 1
REPLACING OF LATCHING SWITCHES
Last message by
MaxHeadRoom
11
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3K
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PauloConstantino
Should resistors go at Vcc and Inputs of logic IC's to limit current ?
Last message by
crutschow
2 3
43
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18K
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hp1729
Testing the LM555
Last message by
hp1729
0
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1K
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B
The 555 Riddle: My 555 wont work, I've tried everything!
Last message by
hp1729
2
35
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6K
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Santhakumar
Oscillator Selection
Last message by
DickCappels
3
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1K
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S
Yet another 555 fading LED - how small can i make this?
Last message by
DickCappels
6
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2K
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B
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Scary Alarm Schematic Needed
Last message by
bertus
1
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1K
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F
Flip Flop Computer Architecture Help needed
Last message by
WBahn
15
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3K
Views
E
I need help designing a resistor sequencer.
Last message by
k7elp60
6
Replies
2K
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tralam
Using a USB phone charger to run LED's
Last message by
tralam
2 3
48
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48K
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