Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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L
Powering multiple LEDs via IC
Last message by
AnalogKid
2
25
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Question for USB Car Charger Converter Step Down Module 12V To 5V 3A
Last message by
Alec_t
4
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2K
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beera beer beera beera
USB Type C
Last message by
R!f@@
1
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997
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Andres-CH
How to use TI CD74HC164 shift-register
Last message by
EM Fields
5
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O
how can program a remote control
Last message by
ian field
14
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A
photoreciever design
Last message by
LesJones
6
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2K
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T
Interesting concept viability question
Last message by
Deleted member 115935
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22
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G
Controlling 10 LEDs with only 4 current source (transistors, AND-, OR-gates ... i guess)
Last message by
absf
7
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1K
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hp1729
Digital IC exercise aids.
Last message by
hp1729
1
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881
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D
USB hub 2 to 1 circuit
Last message by
ScottWang
10
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2K
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M
why can I not reset a cd4017?
Last message by
AlbertHall
18
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5K
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A
7 segment schematic
Last message by
ScottWang
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24
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Pier Paolo Baldi
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Frequencies on self oscillating circuit
Last message by
DickCappels
2
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980
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Intel 8294a output question, Open Collector?
Last message by
tmny277
6
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2K
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F
Piezo 2 beeper circuit
Last message by
AnalogKid
17
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3K
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Catriona82
555/556 timer for dual pulse output with 90º phase shift
Last message by
EM Fields
2
38
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9K
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T
USB keyboard with 8 keys using DIP chips
Last message by
Deleted member 115935
5
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2K
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push button and estop
Last message by
hp1729
3
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1K
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Chetan_Jadhav
Voltage divider to mono-stable multivibrator [NE555]
Last message by
Reloadron
19
Replies
3K
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Lumenosity
Soldering a USB cable directly to PC Board
Last message by
ErnieM
8
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11K
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