Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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S
7493 Counter looping issue
Last message by
mvas
6
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3K
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A
Actuating a 12V Valve with a relay and Arduino
Last message by
Raymond Genovese
2
27
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4K
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ba58smith
How to monitor a wire for 12v with a 3.3v microcontroller
Last message by
ba58smith
2 3
48
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8K
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E
Wiring a 5A USB charging port into a 12V circuit
Last message by
iONic
12
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4K
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D
ic number 1JKG7530 unable to find out what it is or how to order a surface mount replacement
Last message by
Kjeldgaard
1
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868
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W
Using a laptop USB port to connect to a RS-232 serial device.
Last message by
JohnInTX
6
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2K
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iONic
Sequential Float Charge Controller (Formerly: Long Delays with the 555 Timer)
Last message by
iONic
3 4 5
90
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11K
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jaylenozchin
Astable and Monostable 555 Cascaded for PWM
Last message by
crutschow
14
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7K
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David_1550777393
Shift Register dual voltages
Last message by
David_1550777393
4
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887
Views
Joel Hopper
Windows to I2C interface - driving an ssd1306 screen?
Last message by
geekoftheweek
5
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2K
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J
MPU 6050 -Gyro problem Help
Last message by
jarnedeclercq
0
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2K
Views
Resdac
mystery Chip on a USB hub
Last message by
TinWhisker
1
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4K
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-live wire-
Attaching a magnet to USB-C thunderbolt dongle
Last message by
MisterBill2
4
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1K
Views
Surgent Gaming
Any good ideas for a monophonic keyboard for synth
Last message by
EvanCookMusic
7
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2K
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Y
Digital Piano keypad design
Last message by
sghioto
1
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896
Views
S
555 astable multivibrator-vary duty cycle/maintain freq
Last message by
iONic
2 3
47
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6K
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Externet
Micro USB on-the-go jack in an Android phone...
Last message by
Externet
2
Replies
753
Views
Octain
Logic OR Gate?
Last message by
dl324
15
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2K
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Palev87
Lightning project 12-24-230v
Last message by
Palev87
10
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1K
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Kelvin Lee
Connecting switch to unknown ADC input pin
Last message by
djsfantasi
12
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2K
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