User JoeyB

9 votes

6 answers

1k views

Safety precautions when making a commercial electronic product

asked Aug 6, 2020 at 22:09

8 votes

8 answers

4k views

Why is a capacitor considered a short circuit at start up?

asked May 10, 2022 at 18:56

8 votes

2 answers

614 views

What is the role of D2 in the schematic diagram?

asked Feb 18 at 12:12

7 votes

5 answers

1k views

Signal integrity with a gap in the ground plane

asked Nov 8 at 19:51

6 votes

2 answers

3k views

How to get the parameters of a ferrite bead

asked Apr 18, 2022 at 20:29

5 votes

1 answer

667 views

LTSpice voltage source understanding

asked Apr 17, 2022 at 11:08

5 votes

5 answers

5k views

Infrared LED and Photodiodes

asked Sep 6, 2018 at 14:50

5 votes

2 answers

375 views

Visual understanding of EM fields within a rectangular metal container

asked Sep 13, 2019 at 16:13

5 votes

2 answers

472 views

Insight into cavity resonators

asked Sep 14, 2019 at 13:13

4 votes

1 answer

858 views

Ferrite bead selection and simulations for a 2.4 GHz ESP32 3V3 power line

asked Apr 18, 2022 at 9:39

4 votes

2 answers

1k views

Capacitive load of PSU

asked Jul 13, 2022 at 21:14

4 votes

2 answers

2k views

Why use a ferrite bead at a USB input

asked Aug 21, 2022 at 22:17

4 votes

3 answers

946 views

Why have floating outputs on a power supply?

asked Oct 31 at 12:20

4 votes

2 answers

381 views

MAX485 module, pull ups for RX and TX

asked Aug 14 at 16:06

3 votes

3 answers

341 views

Voltage follower op-amp for battery monitoring

asked Nov 4, 2022 at 8:42

3 votes

3 answers

435 views

Shielding and PCB ground

asked Jan 14 at 21:54

3 votes

1 answer

303 views

Relay delay LTSpice

asked Mar 20, 2022 at 10:54

3 votes

3 answers

1k views

Relay protection circuit

asked Aug 9, 2021 at 11:16

3 votes

2 answers

3k views

How to size an in-line fuse for the input of the DC-DC power supply

asked Apr 30, 2021 at 21:51

2 votes

3 answers

2k views

Bi-directional level shifter for serial communications

asked Oct 14, 2021 at 9:27

2 votes

4 answers

268 views

Selecting a 12V DC relay for high power applications

asked Oct 22, 2021 at 9:39

2 votes

2 answers

317 views

Model positive exponential current curve on LTSPICE

asked May 15, 2022 at 21:44

2 votes

1 answer

68 views

How to size track width for AC application

asked Jan 3 at 21:16

2 votes

1 answer

66 views

Output of serial comms remains "high" only

asked Oct 1, 2022 at 8:53

2 votes

1 answer

344 views

How to design AC/DC PSU PCB for safety

asked Oct 9, 2022 at 10:09

2 votes

3 answers

541 views

How to design around an opto-isolator

asked Jul 14, 2022 at 13:52

2 votes

1 answer

294 views

How to step down the voltage efficiently

asked Dec 3, 2020 at 14:09

2 votes

3 answers

6k views

Emergency lighting solution

asked Feb 2, 2020 at 13:03

2 votes

1 answer

61 views

Which INL is better for this ADC?

asked May 20 at 18:38

2 votes

2 answers

216 views

PCB design using SMD resistors for precharge

asked Feb 26 at 10:06

Stack Exchange Network

190 Questions

Safety precautions when making a commercial electronic product

Why is a capacitor considered a short circuit at start up?

What is the role of D2 in the schematic diagram?

Signal integrity with a gap in the ground plane

How to get the parameters of a ferrite bead

LTSpice voltage source understanding

Infrared LED and Photodiodes

Visual understanding of EM fields within a rectangular metal container

Insight into cavity resonators

Ferrite bead selection and simulations for a 2.4 GHz ESP32 3V3 power line

Capacitive load of PSU

Why use a ferrite bead at a USB input

Why have floating outputs on a power supply?

MAX485 module, pull ups for RX and TX

Voltage follower op-amp for battery monitoring

Shielding and PCB ground

Relay delay LTSpice

Relay protection circuit

How to size an in-line fuse for the input of the DC-DC power supply

Bi-directional level shifter for serial communications

Selecting a 12V DC relay for high power applications

Model positive exponential current curve on LTSPICE

How to size track width for AC application

Output of serial comms remains "high" only

How to design AC/DC PSU PCB for safety

How to design around an opto-isolator

How to step down the voltage efficiently

Emergency lighting solution

Which INL is better for this ADC?

PCB design using SMD resistors for precharge