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Digital Design
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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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Sticky
LEDs, 555s, Flashers, and Light Chasers
Wendy
Feb 8, 2009
Last message by
Wendy
Aug 24, 2020
2
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73
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Does the Z8003 CPU exist?
Bruce Mardle
Mar 18, 2020
Last message by
NB Skworks
Feb 1, 2023
15
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Frequency of sampled signal
Ian0
Jan 16, 2023
Last message by
MrAl
Jan 30, 2023
2
21
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392
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N
Frequency multiplier which allow adjust the duty cycle
nataraj marble
Jan 29, 2023
Last message by
ronsimpson
Jan 29, 2023
2
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68
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H
I2C ACK is not coming to Zero
hoyyoth
Jan 29, 2023
Last message by
geekoftheweek
Jan 29, 2023
4
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A
bubbled inputs and ouputs
alitronic
Jan 28, 2023
Last message by
AnalogKid
Jan 28, 2023
8
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E
eMMC voltage during startup
ebeowulf17
Jan 13, 2023
Last message by
nsaspook
Jan 13, 2023
1
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132
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How to improve the design of a linear ramp generator ?
Philexium
Jan 5, 2023
Last message by
Philexium
Jan 11, 2023
2
3
43
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M
SDI-12 Communication - 3.3V Microcontroller Level Shifted Up To 5.0V For Data
Mahonroy
Oct 28, 2021
Last message by
MrAl
Jan 9, 2023
2
23
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resetting i2c device on PCB? i2c locking up
DJ_AA
Oct 12, 2022
Last message by
DJ_AA
Jan 9, 2023
2
22
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P
Using SD power switch to switch the power supply for 1.8 V signaling in SD card
PRI@123
Jan 2, 2023
Last message by
PRI@123
Jan 2, 2023
0
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What address does it save in EEPROM ?
Heroz
Jan 1, 2023
Last message by
Ian0
Jan 2, 2023
8
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N
MIDI Controller with Arduino , button matrix circuit help with pullup pulldown resistors
nt2ds
Dec 30, 2022
Last message by
drjohsmith
Dec 31, 2022
4
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196
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CD4040 changes pulse rate
Arjune
Dec 5, 2022
Last message by
DickCappels
Dec 29, 2022
2
38
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926
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Strange phenomenon using NE555 in astable mode.
Philexium
Dec 27, 2022
Last message by
Philexium
Dec 29, 2022
2
34
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804
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555 1.5Hz LED Flash with LDR as Dark Detector
FranciscoB
Dec 26, 2022
Last message by
FranciscoB
Dec 28, 2022
10
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290
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C
Noob/beginner question - Circuit board design & production
cage10
Nov 13, 2022
Last message by
PaulEE
Dec 27, 2022
4
Replies
349
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Z
Preventing 555 timer fire for x time.
Zerth
Dec 21, 2022
Last message by
sghioto
Dec 22, 2022
2
29
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664
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How to generate a short pulse(5~50ms) when a switch is on
garudaone
Nov 22, 2022
Last message by
sghioto
Dec 12, 2022
2
38
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981
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S
4-bit, 4 input (A,B,C,D) Magnitude Comparator Circuit
SteveMorgan
Nov 22, 2022
Last message by
SteveMorgan
Dec 11, 2022
17
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310
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J
Crystal oscillator using discrete CMOS inverter ?
joeypc
Jun 15, 2022
Last message by
Audioguru again
Dec 9, 2022
17
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