Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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Newbie 555 question
Last message by
Metalfan1185
5
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8 input NAND gates
Last message by
mik3
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459
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R
For the 555 timer chip, do I need to discharge the caps when i switch off?
Last message by
Wendy
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i want to know what ua741 and lm555 names represent
Last message by
beenthere
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i want to know what ua741 and lm555 names represent
Last message by
Bill_Marsden
1
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420
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Wendy
555
Last message by
plharby
11
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12K
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C
IR emitter/detector with 555 timer
Last message by
nemaroller
8
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9K
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Metalfan1185
Question on 555 Duty Cycle
Last message by
Metalfan1185
12
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13K
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S
555 PWM part deux
Last message by
rct
3
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4K
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B
555 -how to solve?
Last message by
jpanhalt
4
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2K
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S
Problem in USB Expansion
Last message by
beenthere
1
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2K
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P
USB pin configuration!!
Last message by
peak99
3
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8K
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control design of doors,lights and gates interfacing with a pc
Last message by
kubeek
4
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3K
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onlyvinod56
cd4017 decade counter and 555 astable
Last message by
Bernard
1
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6K
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I
555 digital timer
Last message by
SgtWookie
9
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4K
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I
making a 555 'organ' monophonic
Last message by
mik3
6
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6K
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R
tracing through digital circuits IC chips
Last message by
relicmarks
2
24
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dyeraaron
741 Output pin 6 to what pin for input of 555
Last message by
mik3
3
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3K
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dyeraaron
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Is 741 Op amp needed for 555?
Last message by
Wendy
1
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3K
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dyeraaron
555 Set up to latch BCD for LEDs
Last message by
Wendy
1
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2K
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