Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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4 Digit 7 segment display driver
Last message by
SimpleJoe
15
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12v Circut Advise - 2 inputs 1 output
Last message by
Pressure_welder
3
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1K
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Using one 555 timer to trigger another at intervals
Last message by
danadak
17
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555 monostable circuit for PC hibernation
Last message by
ericgibbs
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20
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2K
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John Bradley
Mixing 74 LS/HCT with diode logic
Last message by
John Bradley
19
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3K
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Pulse on closed circuit and on open again. (converting toggle switch to momentary)
Last message by
Alec_t
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24
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9K
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delayed 555 timer from a high trigger
Last message by
danadak
7
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2K
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Logic Quandary for analogue circuit
Last message by
Stretchyman
2
38
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3K
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Yunus Emre SERT
Can't Change Vss in LTSpice, Need Help
Last message by
eetech00
8
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3K
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Papabravo
How to define a mechanical and non-mechanical device ?
Last message by
jpanhalt
10
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3K
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how to stop alternating current flow in a circuit without mechanically disconnecting wire/conductor
Last message by
MaxHeadRoom
12
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3K
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Why do my counter ICs (e.g. 74LS163, 74LS169) not start at zero?
Last message by
dl324
11
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4K
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Debounce... To ReSchmitt or not to ReSchmitt....
Last message by
2DrTahoe
2
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4K
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How do I make the circuits act like this block diagram in Verilog?
Last message by
Precooledear
0
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735
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Using a 555 timer to generate 144 kHZ square Wave for a transducer
Last message by
Bordodynov
12
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3K
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New to circuitry - looking for help with a simple project (Flashing a light)
Last message by
dl324
3
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2K
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Peltier PWM driver circuit help
Last message by
ale_disola
16
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4K
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B
The use of Mux / Demux, 74LV4051
Last message by
DickCappels
10
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2K
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A
Driver led circuit (it's correct?)
Last message by
ale_disola
9
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2K
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stumped -pushbutton control of motor
Last message by
Bernard
7
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2K
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