Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
Wendy
  • Sticky
LEDs, 555s, Flashers, and Light Chasers
Last message by
Wendy
2 3 4
73
Replies
161K
Views
Bruce Mardle
Does the Z8003 CPU exist?
Last message by
NB Skworks
15
Replies
1K
Views
Ian0
Frequency of sampled signal
Last message by
MrAl
2
21
Replies
392
Views
N
Frequency multiplier which allow adjust the duty cycle
Last message by
ronsimpson
2
Replies
68
Views
H
I2C ACK is not coming to Zero
Last message by
geekoftheweek
4
Replies
149
Views
A
bubbled inputs and ouputs
Last message by
AnalogKid
8
Replies
155
Views
E
eMMC voltage during startup
Last message by
nsaspook
1
Replies
132
Views
Philexium
How to improve the design of a linear ramp generator ?
Last message by
Philexium
2 3
43
Replies
834
Views
M
SDI-12 Communication - 3.3V Microcontroller Level Shifted Up To 5.0V For Data
Last message by
MrAl
2
23
Replies
1K
Views
D
resetting i2c device on PCB? i2c locking up
Last message by
DJ_AA
2
22
Replies
584
Views
P
Using SD power switch to switch the power supply for 1.8 V signaling in SD card
Last message by
PRI@123
0
Replies
157
Views
Heroz
What address does it save in EEPROM ?
Last message by
Ian0
8
Replies
220
Views
N
MIDI Controller with Arduino , button matrix circuit help with pullup pulldown resistors
Last message by
drjohsmith
4
Replies
196
Views
Arjune
CD4040 changes pulse rate
Last message by
DickCappels
2
38
Replies
926
Views
Philexium
Strange phenomenon using NE555 in astable mode.
Last message by
Philexium
2
34
Replies
804
Views
FranciscoB
555 1.5Hz LED Flash with LDR as Dark Detector
Last message by
FranciscoB
10
Replies
290
Views
C
Noob/beginner question - Circuit board design & production
Last message by
PaulEE
4
Replies
349
Views
Z
Preventing 555 timer fire for x time.
Last message by
sghioto
2
29
Replies
664
Views
garudaone
How to generate a short pulse(5~50ms) when a switch is on
Last message by
sghioto
2
38
Replies
981
Views
S
4-bit, 4 input (A,B,C,D) Magnitude Comparator Circuit
Last message by
SteveMorgan
17
Replies
310
Views
J
Crystal oscillator using discrete CMOS inverter ?
Last message by
Audioguru again
17
Replies
855
Views
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