Digital Design

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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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UVM free tools?
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simozz
7
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Help PC Report
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biferi
5
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654
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Internal of 817 module, and output Vcc
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ci139
19
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Strange signal from CD4069
Last message by
MisterBill2
2
32
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xox
Thoughts on comparison circuits?
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xox
2 3 4
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hi i just created j k flip flop but when i make both input j=1,k=1,the led starts to blink but once i change it to like 1,0 or 0 1 its still blinking
N/A
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Function of paired inverters?
Last message by
Irving
11
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847
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Default state of GPIO expander
Last message by
nsaspook
1
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476
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johnyradio
Ternary Logic with a Single Optoisolator?
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johnyradio
13
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979
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Anyone on the forum know about PIC16F84 ASM and 1602 LCD displays?
Last message by
Embededd
2 3
50
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4K
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hmzblgn
Power on -off circuit : Long press to Turn on instead Short Press
Last message by
AnalogKid
2
30
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3K
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K
Decoder Encoder With 4017 Circuit Without Microcontroller.
Last message by
KRAB
3 4 5
90
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Philexium
Driving a LED with a CD4066 and a ramp generator
Last message by
sghioto
2
25
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drive mosfet with 3.3V, minimal component count (revisited)
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panic mode
6
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7K
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beginner99
I remade this pi metal detector circuit, only this time it doesn't work, what's the culprit?
Last message by
panic mode
2
20
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3K
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T
COA books to supplement hayes?
Last message by
simozz
9
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746
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G
74HC595 Shift register - Data and Clock Timings advice sought please
Last message by
panic mode
16
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1K
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H
Astable oscillator using transistor, capacitor and resistor and change duty cycle automatically
Last message by
hhsting
2 3 4
66
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4K
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Can we use this 4 bit adder commercially?
Last message by
MisterBill2
2 3
53
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3K
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fast and accurate 3.3V to 5V level shifter for NeoPixel addressable LED WS2812b WLED ESP32 project needed
Last message by
Ian0
19
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12K
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