User fadedbee

8 votes

4 answers

2k views

Tri-state output to three analogue levels?

analog tri-state

asked Dec 19, 2014 at 9:30

8 votes

3 answers

1k views

Why are the SRAM data and address pins numbered? [duplicate]

asked Sep 22, 2018 at 8:43

6 votes

5 answers

2k views

Will multiple chips outputing onto a bus for a few nanoseconds cause damage?

cmos bus tri-state

asked Jun 26, 2017 at 11:11

6 votes

2 answers

930 views

What does the logic statement "F = AB" mean? Bitwise A AND B?

digital-logic logic-gates alu

asked Jun 23, 2016 at 15:41

4 votes

2 answers

571 views

Is there a USB alternative to Mass Storage which works at the filesystem layer?

usb usb-device

asked Nov 21, 2014 at 11:16

4 votes

2 answers

2k views

Which logic families interpret a floating input as a definite value?

digital-logic cmos ttl

asked May 31, 2017 at 11:11

4 votes

3 answers

1k views

Is the ATMEGA328P's serial baud rate quantised?

avr serial rs232 atmega328p

asked Oct 20, 2018 at 9:54

3 votes

1 answer

7k views

FTDI USB/TTL-serial converter - what are TXD, TXL, RXD and RXL?

rs232 ftdi

asked May 30, 2018 at 7:56

3 votes

2 answers

716 views

Interfacing tri-state logic across 3v3/5v. Do buffers mirror all three logic states?

buffer 5v transceiver 3.3v tri-state

asked Dec 10, 2014 at 17:26

3 votes

7 answers

556 views

MCUs which can trigger an interrupt on a port mask

microcontroller interrupts gpio-external-interrupt

asked Dec 11, 2014 at 9:33

3 votes

3 answers

2k views

How does the ZX80 keyboard avoid ghosting and masking?

diodes keyboard matrix

asked Dec 16, 2012 at 16:26

3 votes

3 answers

3k views

How fast can ARM Cortex M0s/M3s bit bang?

arm cortex-m3 bit-bang cortex-m0

asked Feb 24, 2014 at 9:42

2 votes

1 answer

141 views

Using an array of resistors to give priority on a bus

resistors bus

asked May 31, 2016 at 12:00

2 votes

1 answer

888 views

How to turn a DIP switch into an array of logical values

digital-logic resistors switches logic-level dip

asked Jun 8, 2016 at 12:24

2 votes

1 answer

598 views

What was the use-case for the 74hc590?

ttl homebrew-cpu

asked Aug 12, 2018 at 12:00

2 votes

5 answers

1k views

Pull-up or pull-down when building an LED ROM for 74HC logic levels?

led diodes pullup pulldown rom

asked Feb 23, 2018 at 12:43

1 vote

1 answer

91 views

ESC only goes fast to very fast

pwm raspberry-pi motor-controller

asked May 14, 2018 at 19:59

1 vote

1 answer

101 views

Do any microcontrollers allow steering of inputs to outputs?

microcontroller buffer

asked Dec 9, 2016 at 8:30

1 vote

2 answers

5k views

Why does the length of an antenna, relative to the wavelength, matter?

antenna wave

asked Dec 15, 2016 at 14:14

1 vote

1 answer

105 views

Would a parallel EEPROM ever output a value that it does not contain?

eeprom addressing homebrew-cpu

asked Sep 8, 2018 at 17:07

1 vote

1 answer

92 views

Electrical properties of a stack of strip board connected by through-hole pins/sockets

parasitic-capacitance stripboard homebrew-cpu

asked Sep 9, 2018 at 8:38

1 vote

1 answer

46 views

Edge-triggered flipflops - keep CP high or low, most of the time?

flipflop latch

asked Feb 21, 2017 at 8:54

1 vote

1 answer

51 views

Changing addresses faster than a parallel SRAM's response time

sram

asked Mar 9, 2017 at 12:22

1 vote

2 answers

620 views

How to decode a two bit signal into one-hot encoding, with 7400 series ICs?

digital-logic

asked Apr 22, 2016 at 14:36

1 vote

2 answers

207 views

Exceeding 5m for USB 2.0 Full Speed

usb usb-hub cat5

asked May 13, 2020 at 13:17

1 vote

1 answer

86 views

Is there a component that will OR the last 1-2ms of its input?

555 integrator edge

asked Jun 3, 2020 at 8:19

0 votes

0 answers

123 views

Do rotary encoders really have no bounce?

encoder rotary rotary-encoder

asked Nov 25, 2020 at 11:28

0 votes

2 answers

475 views

How different are the eMMC and SD Card protocols?

sd emmc mmc

asked Dec 16, 2020 at 9:18

0 votes

2 answers

83 views

Efficiently decoding a four bit input pattern into one of 16 twelve-bit output patterns

logic-gates decoder

asked Apr 25, 2016 at 11:12

0 votes

2 answers

108 views

Are there any high voltage (14V) MCUs? [closed]

microcontroller voltage voltage-regulator

asked Mar 24, 2015 at 8:59

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41 Questions

Tri-state output to three analogue levels?

Why are the SRAM data and address pins numbered? [duplicate]

Will multiple chips outputing onto a bus for a few nanoseconds cause damage?

What does the logic statement "F = AB" mean? Bitwise A AND B?

Is there a USB alternative to Mass Storage which works at the filesystem layer?

Which logic families interpret a floating input as a definite value?

Is the ATMEGA328P's serial baud rate quantised?

FTDI USB/TTL-serial converter - what are TXD, TXL, RXD and RXL?

Interfacing tri-state logic across 3v3/5v. Do buffers mirror all three logic states?

MCUs which can trigger an interrupt on a port mask

How does the ZX80 keyboard avoid ghosting and masking?

How fast can ARM Cortex M0s/M3s bit bang?

Using an array of resistors to give priority on a bus

How to turn a DIP switch into an array of logical values

What was the use-case for the 74hc590?

Pull-up or pull-down when building an LED ROM for 74HC logic levels?

ESC only goes fast to very fast

Do any microcontrollers allow steering of inputs to outputs?

Why does the length of an antenna, relative to the wavelength, matter?

Would a parallel EEPROM ever output a value that it does not contain?

Electrical properties of a stack of strip board connected by through-hole pins/sockets

Edge-triggered flipflops - keep CP high or low, most of the time?

Changing addresses faster than a parallel SRAM's response time

How to decode a two bit signal into one-hot encoding, with 7400 series ICs?

Exceeding 5m for USB 2.0 Full Speed

Is there a component that will OR the last 1-2ms of its input?

Do rotary encoders really have no bounce?

How different are the eMMC and SD Card protocols?

Efficiently decoding a four bit input pattern into one of 16 twelve-bit output patterns

Are there any high voltage (14V) MCUs? [closed]