Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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Lord-awesome
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Please help 555timer, servo problems
Last message by
JohnInTX
2
Replies
761
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irrintxi
Multiplexor analog readings problem
Last message by
MisterBill2
2 3
43
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4K
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popcalent
555 signal delay circuit different solutions
Last message by
popcalent
2
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1K
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A
Binary decoder with output latches
Last message by
sghioto
4
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1K
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P
Alarm Ideals using a 7555 as a one shot time
Last message by
patsroom
4
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1K
Views
V
Counter output weirdness
Last message by
Veracohr
5
Replies
946
Views
Mark Hughes
Spice Model for RJ45 with Magnetics
Last message by
Mark Hughes
0
Replies
2K
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Kristjan Kiolein
Help designing Arduino LED controller for ceiling lamp
Last message by
dendad
4
Replies
2K
Views
Crashcup
Shut-off Delay Timer for Dust Collector - 555?
Last message by
KMoffett
2
37
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4K
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bushrat
All my counters are bad at same pin?
Last message by
ebp
4
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1K
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M
Transmitter Circuit
Last message by
DickCappels
6
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1K
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L
Where to start, Fixed Wing Drone Designers Help
Last message by
crutschow
1
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930
Views
P
On/Off by a push button (SOLVED)
Last message by
ericgibbs
8
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2K
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J
How to use a relay to turn a fan off and on when a 12v battery is plugged in
Last message by
Reloadron
10
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2K
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A
N-channel depletion mosfet for power switching
Last message by
ashuppie
2
22
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8K
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C
Display connectorand other questions
Last message by
chucketn
3
Replies
732
Views
M
How to design a BCD to 7-segment display circuit using 4-1 multiplexors?
Last message by
AnalogKid
3
Replies
5K
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lewl lewl
Christmas lights in breadboard using LED, flip flops and 555 timer
Last message by
MrChips
5
Replies
3K
Views
Mark Hughes
MagJack Design Reference?
Last message by
Mark Hughes
0
Replies
2K
Views
J
Need PIR to sleep after activation
Last message by
GetDeviceInfo
2
25
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2K
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