User Adam Lee

9 votes

2 answers

2k views

What's the purpose of the full wave diode bridge in this DC-DC power supply?

asked Nov 6, 2014 at 15:58

6 votes

3 answers

4k views

Is it normal to have SPI Clock with varying duty cycle?

asked Jun 17, 2014 at 15:09

6 votes

1 answer

6k views

Open Source USB Flash Drive Circuit Anywhere? [closed]

asked Aug 15, 2015 at 8:46

5 votes

1 answer

324 views

Attiny85 - RSTDSBL fuse bit confusion

asked Nov 9, 2015 at 11:37

4 votes

2 answers

1k views

Does this linear current source driver deliver constant current?

asked Oct 28, 2014 at 15:17

4 votes

2 answers

35k views

Current capacity of very thin (0.1mm ~ 0.5mm) copper wires?

asked Dec 29, 2014 at 19:12

4 votes

1 answer

5k views

Does the polarity of this crystal matter?

asked Oct 25, 2017 at 13:45

4 votes

1 answer

509 views

Does Linux regmap handle repeated start/stop i2c transaction?

asked Apr 3, 2020 at 22:25

3 votes

1 answer

576 views

Debugging dual LVDS display panel color issue

asked Jan 16, 2019 at 13:52

3 votes

1 answer

315 views

Where should I add ground pour?

asked Sep 10, 2015 at 3:13

3 votes

1 answer

2k views

16MHz Crystal trace length

asked Dec 21, 2016 at 7:26

2 votes

1 answer

2k views

ATMEGA32U4-AURCT vs ATMEGA32U4-AUR vs ATMEGA32U4-AU?

asked Oct 31, 2016 at 13:56

2 votes

1 answer

3k views

Pull-up resistors required on both side of level shifter?

asked Nov 17, 2015 at 23:27

2 votes

3 answers

428 views

PCB layout needs improvement

asked Feb 10, 2016 at 4:08

2 votes

2 answers

2k views

Attiny85 (Pin 5 / reset) is always high

asked Sep 19, 2015 at 4:06

2 votes

2 answers

1k views

How can I better label my PCB?

asked Aug 14, 2015 at 3:27

2 votes

4 answers

2k views

Ground pour underneath an MCU

asked Sep 8, 2015 at 4:14

2 votes

1 answer

837 views

Generic parts library for Altium Designer 15?

asked Aug 24, 2015 at 4:57

2 votes

1 answer

149 views

Circuit Analysis of Op-Amp Offset Voltage Tester

asked Aug 28, 2015 at 23:26

2 votes

1 answer

1k views

Importing component library on Kicad

asked Feb 2, 2015 at 3:57

2 votes

0 answers

1k views

Calculating LCD display horizontal and vertical porch values

asked Oct 18, 2019 at 19:31

2 votes

1 answer

6k views

Eliminating buzz or high pitch noise from PWM LED Driver? [closed]

asked Dec 11, 2016 at 20:38

2 votes

2 answers

2k views

Do I have to provide VCC to every VCC pin on Atmega32u4 MCU?

asked Sep 19, 2017 at 19:40

1 vote

2 answers

1k views

i2cget works, but i2cdetect does not show the device

asked Apr 2, 2020 at 15:13

1 vote

1 answer

1k views

Is there any risk in storing solder paste and flux in living space?

asked Oct 27, 2017 at 18:47

1 vote

0 answers

162 views

What happens if I swap the power supplies on am OP-AMP?

asked Aug 12, 2015 at 3:30

1 vote

1 answer

2k views

External offset voltage adjustment on NE5534?

asked Aug 13, 2015 at 2:57

1 vote

1 answer

458 views

Need advice on ATmega32u4 routing VCC

asked Sep 7, 2015 at 18:25

1 vote

1 answer

122 views

Ways to lay this cyrstal out without increasing the PCB footprint?

asked Oct 7, 2016 at 14:30

0 votes

1 answer

670 views

Virgin Atmega32u4 USB ISP initialization failure

asked Oct 30, 2016 at 13:05

Stack Exchange Network

49 Questions

What's the purpose of the full wave diode bridge in this DC-DC power supply?

Is it normal to have SPI Clock with varying duty cycle?

Open Source USB Flash Drive Circuit Anywhere? [closed]

Attiny85 - RSTDSBL fuse bit confusion

Does this linear current source driver deliver constant current?

Current capacity of very thin (0.1mm ~ 0.5mm) copper wires?

Does the polarity of this crystal matter?

Does Linux regmap handle repeated start/stop i2c transaction?

Debugging dual LVDS display panel color issue

Where should I add ground pour?

16MHz Crystal trace length

ATMEGA32U4-AURCT vs ATMEGA32U4-AUR vs ATMEGA32U4-AU?

Pull-up resistors required on both side of level shifter?

PCB layout needs improvement

Attiny85 (Pin 5 / reset) is always high

How can I better label my PCB?

Ground pour underneath an MCU

Generic parts library for Altium Designer 15?

Circuit Analysis of Op-Amp Offset Voltage Tester

Importing component library on Kicad

Calculating LCD display horizontal and vertical porch values

Eliminating buzz or high pitch noise from PWM LED Driver? [closed]

Do I have to provide VCC to every VCC pin on Atmega32u4 MCU?

i2cget works, but i2cdetect does not show the device

Is there any risk in storing solder paste and flux in living space?

What happens if I swap the power supplies on am OP-AMP?

External offset voltage adjustment on NE5534?

Need advice on ATmega32u4 routing VCC

Ways to lay this cyrstal out without increasing the PCB footprint?

Virgin Atmega32u4 USB ISP initialization failure