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Digital circuit and logic questions (ie. Logic, Gates, I2C, USB, 555 Timer, etc.)
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ATSAMD21 ADC 15V reading on resistor voltage divider
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StefanZe
5
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ane1983
74HC123/74LS123 Configuration
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dl324
4
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4
cd4013 flip flop outputs always on
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488 studios
17
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ashkarmalik
Designing PCB For STM32H750XB With SDRAM IS42S32400F-7TLI-TR
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nsaspook
3
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Philexium
CD4013 circuit flips but doesn't flop
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eetech00
3 4 5
86
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Icanmakeit67
Incandescent swap
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MaxHeadRoom
9
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timtim1234
a timer that goes logic high or low every 15mins ( using tiny85 chip)
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timtim1234
11 12 13
256
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15K
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farzad latifeh
DS3231 module schematic question
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JohnSan
17
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Enzogbs
TUSB4041I USB 4 PORTS HUB - Could you review my USB hub schematic?
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Enzogbs
0
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616
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TimoQ42
SD multiplexer
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chris_bay
6
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3K
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A
Bug with a 4bits UP/DOWN counter : 74HC193.
Last message by
dl324
12
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2K
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timtim1234
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a timer that goes logic high or low every 15mins (hardware version)
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timtim1234
11 12 13
241
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E
Looking for a toggle IC
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MisterBill2
12
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2K
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FpgaLearner1
AXILITE4 C driver
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MisterBill2
1
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665
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S
LIS2DW12 Accelerometer
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MisterBill2
4
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1K
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E
USB 2.0 protocol implementation
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Papabravo
2
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753
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ane1983
Keeping duty cycle constant while changing frequency
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ane1983
3 4 5
91
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6K
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L
555 trip alarm
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sghioto
2 3
46
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4K
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vineethvvv
BCD synchronous up counter with D flipflops
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dl324
9
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2K
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G
Simulate my steering wheel buttons
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MisterBill2
2
38
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