Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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Sparky49
USB Receivers
Last message by
Sparky49
0
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2K
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B
Solar NiMH to USB Charger Help
Last message by
iONic
11
Replies
5K
Views
B
555 Timer & loud 4 ohm speaker
Last message by
BBrandon
5
Replies
5K
Views
peter_morley
NAND RS Latch
Last message by
SgtWookie
10
Replies
5K
Views
JingleJoe
make a square wave squarer
Last message by
JingleJoe
13
Replies
5K
Views
D
building a microprocessor - time delay
Last message by
kubeek
4
Replies
3K
Views
JingleJoe
Help regarding 555 timers and 4017 counter
Last message by
JingleJoe
15
Replies
8K
Views
L
application usb to rs232, rs422 and rs485 adopter
Last message by
CDRIVE
13
Replies
5K
Views
T
555 timer problem
Last message by
the kidson
2 3
40
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11K
Views
I
Which 555 timer trigger circuit is better?
Last message by
SgtWookie
6
Replies
4K
Views
L
Two simple 555 circuits that don't combine
Last message by
BEBEH
9
Replies
4K
Views
magnet18
555 alarm circuit
Last message by
CDRIVE
2
27
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7K
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R
555 timer based water level controller
Last message by
bertus
8
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5K
Views
I
  • Locked
Sequential LED Bar w/555 & 4094
Last message by
bertus
7
Replies
4K
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ian.blue
  • Locked
10 sec delay on timer lm555
Last message by
CDRIVE
12
Replies
9K
Views
J
555 timer supply voltage/current
Last message by
SgtWookie
7
Replies
4K
Views
iONic
Perhaps some 555 Timing competition?
Last message by
SgtWookie
2
Replies
2K
Views
C
Discrete op amp: shifting output
Last message by
Chozo
5
Replies
5K
Views
R
USB to LED driver interface
Last message by
Robert.Adams
0
Replies
2K
Views
L
please help me for usb to rs232,rs422 and rs485 schematic
Last message by
lokesh88
3
Replies
4K
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