Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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Philexium
555 timer in astable mode, first pulse longer
Last message by
crutschow
12
Replies
689
Views
zoinkdog
Need volunteer guidance for a small PCB project (memory disability, no budget)
Last message by
panic mode
16
Replies
1K
Views
Dats
Need feedback on ceramic substrate trace width calculator
Last message by
Dats
1
Replies
302
Views
L
LED Flasher Help
Last message by
Wendy
2
20
Replies
1K
Views
W
Electronic components, some new, mostly salvaged from PC boards.
Last message by
MisterBill2
10
Replies
596
Views
Futurist
AND gate that uses trinary logic
Last message by
MisterBill2
2 3 4
63
Replies
3K
Views
T
High-frequency switching transistor
Last message by
Danko
2
24
Replies
1K
Views
M
Defining Ethernet Interface - 1000 Base-T. Is this sufficient?
Last message by
AnalogKid
5
Replies
458
Views
S
Simple Digital Logic Simulator
Last message by
gdamorakis
2
25
Replies
2K
Views
Homebrew1964
NE555 timer issue?
Last message by
Homebrew1964
15
Replies
615
Views
P
Need a 10 MHz Circuit
Last message by
hrs
2
36
Replies
2K
Views
Z
Close Switch for 10+ Seconds Before Changing Output
Last message by
MisterBill2
8
Replies
863
Views
D
Using ADCMP582 LVPECL Output as a Single-Ended <100 ps Step Generator
Last message by
drjohsmith
6
Replies
937
Views
J
High speed Parallel-to-Serial (PISO) converter (shift register).
Last message by
MrChips
19
Replies
975
Views
q12x
How to make a 20 LED chaser with 4017 ?
Last message by
panic mode
3 4 5
83
Replies
11K
Views
J
555 timer with adjustable duty cycle
Last message by
Jopee
2
29
Replies
2K
Views
Gary674
Timing circuit using power
Last message by
WBahn
10
Replies
642
Views
S
UVM free tools?
Last message by
simozz
7
Replies
935
Views
B
Help PC Report
Last message by
biferi
5
Replies
504
Views
G
Internal of 817 module, and output Vcc
Last message by
ci139
19
Replies
1K
Views
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