Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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D
DC-DC 5v converter usb resistor selection
Last message by
Dsmroots
8
Replies
2K
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kaning
USB supply/charger - tips needed
Last message by
kaning
2
Replies
1K
Views
O
USB protection circuit
Last message by
mcgyvr
11
Replies
2K
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I
  • Locked
dual 555 timer to delay relay activation
Last message by
MrChips
2
Replies
4K
Views
chunkmartinez
Square wave amplification from 555 timer oscillator to 20v RMS?
Last message by
chunkmartinez
2
20
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6K
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D
555 fading leds for pc case
Last message by
dude72
6
Replies
2K
Views
V
DIY USB Switch
Last message by
-V-
2
Replies
4K
Views
X
555 output
Last message by
Wendy
13
Replies
2K
Views
S
USB - DC JACK Connection
Last message by
scuba
2
Replies
1K
Views
I
Square Wave Generator Construction
Last message by
Brownout
18
Replies
3K
Views
N
Good Free 555 Timer Calculator Program?
Last message by
djsfantasi
12
Replies
8K
Views
E
the USB charging current acquisition system
Last message by
engineer_baby
0
Replies
1K
Views
G
how do i use a 555 to alternate leds
Last message by
inwo
6
Replies
2K
Views
J
Soldering Broken USB SD Drive
Last message by
mcgyvr
8
Replies
3K
Views
nattu428
usb grounding
Last message by
wmodavis
3
Replies
2K
Views
L
555 Nightmare...lol...light stays on...
Last message by
DerStrom8
7
Replies
2K
Views
C
How to amplify a 5V square wave to 28V square wave???
Last message by
ian field
2
23
Replies
8K
Views
Z
Triggering 555 monostable
Last message by
Zookopf
2
Replies
2K
Views
L
making a temporary negative pulse with a 555
Last message by
MrChips
4
Replies
5K
Views
L
triggering 555 in a different way
Last message by
lowrise4
6
Replies
2K
Views
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