Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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R
Designing a Kitchen Timer using IC's and logic gates .
Last message by
ian field
13
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C
Transformer with square wave input
Last message by
MrAl
1
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2K
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J
Editing 555 timer for 60% interval change
Last message by
engrBecks
6
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2K
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wayneh
Counterfeit AC-to-USB adapters
Last message by
wayneh
2 3
45
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7K
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S
Discrete voltage regulator (review circuit pls!)
Last message by
ronv
7
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2K
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L
Supply 5V DC with USB Port
Last message by
MaxHeadRoom
5
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1K
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johnnyinwa
555 RC Servo Driver Circuit
Last message by
jpanhalt
1
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902
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harikanaidu
need help about 555 timer..
Last message by
wayneh
13
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2K
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hrs
Square wave oscillator using LM393 comparator
Last message by
hrs
14
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10K
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A
Frequency of NAND gate output signal
Last message by
hp1729
10
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4K
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J
logic circuit to control a DC motor
Last message by
Marcus2012
2
25
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7K
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D
555 Circuit Peculiarities
Last message by
Alec_t
19
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3K
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Aaron Laurenciano
Having Trouble Using Logic Gates
Last message by
WBahn
5
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2K
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M
Timer555 frequency issues
Last message by
ian field
2
20
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4K
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K
LED 555 PWM 1%-99% suggestions
Last message by
AnalogKid
8
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1K
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H
how do I get a duty cycle greater than 50% converting a sinewave to a square wave.
Last message by
atferrari
18
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5K
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T
Open door alarm- detecting circuit continuity with USB and transistor enable ground
Last message by
marcf
7
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2K
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elite bookmaking
DC-Converter Destroying USB Device?
Last message by
elite bookmaking
4
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2K
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D
Need to convert Parallel LVDS stream from ADC to USB at sampling rate of 250MHz, 9 bits resolution
Last message by
GetDeviceInfo
12
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5K
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szabikka
Problem with 555 clock pulse generator
Last message by
szabikka
14
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3K
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