Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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L
LM555 Astable 1 Minute period
Last message by
#12
17
Replies
9K
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A
USB & RS232 is full or half duplex.
Last message by
Papabravo
4
Replies
11K
Views
P
USB Charger
Last message by
DumboFixer
1
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1K
Views
H
Marker Gen square wave
Last message by
hampton
5
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2K
Views
M
Square Wave Generator IC
Last message by
onlyvinod56
4
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3K
Views
F
Simple 2-port USB 2.0 Hub
Last message by
agesome
5
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27K
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atrumblood
Transistor NAND Gate does not work correctly
Last message by
Bernard
2
24
Replies
12K
Views
Mint Electronics
555 Timer problem driving 2 LED's
Last message by
Wendy
4
Replies
4K
Views
onlyvinod56
555 mono working as not gate
Last message by
onlyvinod56
9
Replies
4K
Views
J
multiple 555 servo controller
Last message by
juniormachinist
9
Replies
5K
Views
A
Frequency Response of RC filter for Square wave input
Last message by
WBahn
8
Replies
12K
Views
C
Please Review these 555 Circuits
Last message by
WBahn
7
Replies
4K
Views
A
USB charging semantics
Last message by
axeman22
0
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2K
Views
T
LED cascade: sans 555/4017
Last message by
Wendy
4
Replies
4K
Views
G
Bill Marsden's "From Four, Twenty" 555 circuit
Last message by
Wendy
6
Replies
3K
Views
B
Fuse on USB
Last message by
hexreader
1
Replies
2K
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A
Soldering a 555 timer... Advice please
Last message by
ErnieM
8
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8K
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C
8 bit TTL microprocessor design
Last message by
Sparky49
14
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7K
Views
F
Problem with 7490 and inputting square wave from zener
Last message by
dataman19
18
Replies
5K
Views
D
Traco TSRN 1-2450A - 12V to 5V USB step down...
Last message by
daman
2
Replies
2K
Views
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