Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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L
placing switch for different frequencies on 555
Last message by
bertus
2
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1K
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A
Need guidance with Adjustable PWM with 555 Timers
Last message by
wayneh
16
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9K
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L
Symmetric 555 oscillation
Last message by
k7elp60
14
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5K
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G
What is the differece between " OC (Open Collector Gate) " and "inverter" ??????
Last message by
Jony130
2
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3K
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D
Calculating 555 timer periods
Last message by
WBahn
14
Replies
4K
Views
Pelmore
2805 Regulator Issue for USB/iPhone Charger
Last message by
wayneh
2
Replies
3K
Views
tindel
Exceeding 555 spec
Last message by
OoglieBooglie
3
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2K
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L
USB to RS232 to Fiber converter project
Last message by
THE_RB
8
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7K
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S
Need piggy back controller for gate opener
Last message by
tracecom
7
Replies
4K
Views
C
555 timer with Tip31
Last message by
cplouffe
15
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5K
Views
C
Building a solar charger for USB devices (iPhone 5)
Last message by
Cornall159
2
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2K
Views
rsfoto
USB Switch and question for Wayneh
Last message by
rsfoto
2
22
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4K
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C
RPi GPIO pins connect directly to transistor gate?
Last message by
Charliebrown60
0
Replies
1K
Views
Shagas
Help with basic logic gates (practical)
Last message by
crutschow
7
Replies
3K
Views
R
Low frequency 24V Square Wave Oscillator?
Last message by
Dodgydave
1
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3K
Views
Y
Multiplexing Seven Segment Displays
Last message by
yuanshikai
8
Replies
7K
Views
tpny
3904 not inverting a square wave input at base
Last message by
tpny
3
Replies
1K
Views
rsfoto
USB cable switch
Last message by
kubeek
2
33
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6K
Views
W
555 Help
Last message by
timescope
3 4 5
93
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13K
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G
how to demultiplex bit by bit using the concept of D-flip flop switching and register
Last message by
WBahn
1
Replies
2K
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