Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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A
Help me understand this clock circuit
Last message by
AnalogKid
4
Replies
2K
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T
Under current Control circuit
Last message by
Bernard
16
Replies
2K
Views
Raj Waghmare
Regarding connection of photo diode with raspberry pi
Last message by
Raj Waghmare
2
Replies
990
Views
P
Best way to Create A Colpitts Circuit
Last message by
DickCappels
3
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2K
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S
Reducing Rise/Fall Time in the digital using an Op-Amp Comparator
Last message by
crutschow
8
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4K
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R
USB negative lead and ground shield - can/should they be linked?
Last message by
bertus
4
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3K
Views
S
555 monostable circuit catches fire/blows up at 12v but works fine at 6v
Last message by
Audioguru
2
27
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4K
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F
Design RS 485 repeater with speed upto 1.5Mbps
Last message by
dendad
6
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4K
Views
D
Sync/reset pulse on a CD40106 astable
Last message by
AnalogKid
2
20
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4K
Views
E
Relay switching
Last message by
EricSutton
14
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2K
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P
Using transistors to increase the voltage with grounded emitter
Last message by
Philatphil
2
33
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S
Time Lock Device
Last message by
seryozah
8
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1K
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H
Gigabit Ethernet Switch Module: Link Up & Down
Last message by
Hafiz Haja
5
Replies
2K
Views
H
Strain Gauge Circuit Project Help Needed
Last message by
danadak
2
Replies
706
Views
M
frequency divider confusion
Last message by
AlbertHall
10
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2K
Views
O
How to Make a 555 Retriggerable
Last message by
bertus
3
Replies
11K
Views
R
Trying to understand why 555 timer is configured this way when reverse engineering a IR transmitter
Last message by
robnoper
13
Replies
2K
Views
O
How to Trigger 555 Timer SPST
Last message by
AnalogKid
14
Replies
3K
Views
David Su
Some common circuit board design issues 1
Last message by
David Su
3
Replies
1K
Views
Monstercrunch
Power on circuit with 3 inputs triggers + 1 timer trigger
Last message by
Monstercrunch
6
Replies
1K
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