Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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PIC 18F4455, Low Speed USB, Internal OSC
Last message by
a088008
0
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358
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T
DPDT Relay Susbstitution Query???
Last message by
jpanhalt
1
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2K
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G
Simpler alternative to 555 - am I right?
Last message by
jpanhalt
2
30
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17K
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D
Deleted
Last message by
Deleted member 18830
0
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3K
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G
USB Portable Charger
Last message by
Cornelius
4
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3K
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B
I want to build a 555
Last message by
Audioguru
11
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4K
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G
7555 timer - which is more 'stable' or better?
Last message by
hgmjr
6
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5K
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T
Toggle Circuit with LMC555 on less than 5V
Last message by
Audioguru
4
Replies
3K
Views
L
Time Lapse Camera 555 Timer Circuit Question
Last message by
Nomad
8
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8K
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B
XOR via Nands with Transistors
Last message by
Ron H
7
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5K
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R
5 x 7 matrix VHDL code
Last message by
beenthere
1
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7K
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M
Pulse width modulator with lm555
Last message by
Mariel
8
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8K
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I
Logic Gates?
Last message by
Dave
2
22
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6K
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F
NE555 delayed relay timer
Last message by
thingmaker3
2
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17K
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M
555 Timer operating a PNP transistor
Last message by
Ron H
2
33
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20K
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studiot
Printer and USB cables
Last message by
Dave
8
Replies
4K
Views
Joppalowe
Seeking Alternative to B2 Logic???
Last message by
SgtWookie
1
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4K
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E
Simple 555 timer delay on circuit needed
Last message by
eatumup
3
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22K
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N
Turn on and off +10v -10v square wave
Last message by
nomurphy
15
Replies
4K
Views
E
555 problems
Last message by
SgtWookie
8
Replies
3K
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