User anrieff

2 votes

1 answer

198 views

Are there thermovision cameras available to hobbyists? [closed]

asked Nov 9, 2014 at 18:18

2 votes

5 answers

5k views

Why are BLDC motors so expensive? [closed]

asked Feb 27, 2017 at 16:10

2 votes

0 answers

152 views

How dangerous is to have the USB (2.0) D+/D- lines are exposed in the open (ESD et al)?

asked Jun 26, 2020 at 20:56

2 votes

2 answers

426 views

Is a DC blocking capacitor required between a GPRS modem and the antenna?

asked Feb 21, 2023 at 21:38

2 votes

1 answer

193 views

How do you prove that a certain circuit is impossible to construct with a certain amount of switches?

asked Nov 8, 2021 at 20:31

2 votes

1 answer

727 views

Simulation issues with a simple 3-phase rectifier circuit

asked Nov 23, 2020 at 11:23

2 votes

3 answers

450 views

How to properly couple an audio (headphones) signal from a big/unknown system (worried about short circuits and ground loops)

asked Feb 16, 2021 at 21:13

1 vote

1 answer

117 views

What's the name of this DC-DC topology?

asked Jun 16, 2021 at 21:25

1 vote

3 answers

1k views

Designing an automotive alternator's voltage regulator - how to avoid magnetic saturation in the rotor?

asked Aug 27, 2021 at 0:38

1 vote

1 answer

135 views

What material exactly is used in the shiny antistatic bags?

asked Mar 14, 2023 at 22:37

1 vote

0 answers

105 views

Can I extend the allowed Vin range of a voltage detector IC with a simple zener shunt regulator?

asked Nov 13, 2019 at 19:10

1 vote

1 answer

2k views

Why do large power stations' generators rotate at ≥ 1800 RPM?

asked Nov 27, 2019 at 21:42

1 vote

2 answers

1k views

Are there any caveats to running a boost converter at zero duty cycle?

asked Feb 13, 2018 at 1:35

1 vote

0 answers

126 views

Most efficient way to generate 5.0 and 13.25 volts out of 2xAA

asked Nov 21, 2014 at 17:19

1 vote

2 answers

661 views

Suggestions to interface a photodiode in the MHz range

asked Dec 11, 2014 at 0:26

1 vote

2 answers

2k views

Measuring internal resistance of a battery while it's being charged

asked Oct 19, 2014 at 19:28

1 vote

2 answers

2k views

Multi-cell battery measurement design

asked Mar 10, 2014 at 9:18

1 vote

1 answer

1k views

100 mA current sink with LM317 does not work above 25V

asked Oct 17, 2017 at 18:00

1 vote

1 answer

95 views

How to route a nasty signal (200V/µs)?

asked Jul 26, 2018 at 5:43

1 vote

0 answers

1k views

How to protect a buck DC-DC being backfed from the load (e.g. a battery as a load)?

asked Aug 15, 2018 at 20:30

0 votes

1 answer

72 views

Would a bridge rectifier allow to detect µs-scale pulses of either polarity

asked Sep 8, 2018 at 23:41

0 votes

0 answers

653 views

What damage occurs in an ESP32 when you power it with 5V

asked Oct 30, 2018 at 8:42

0 votes

1 answer

65 views

Device's ground riding on a non-ground signal

asked Jan 22, 2019 at 12:42

0 votes

1 answer

460 views

How would a mains transformer react to unfiltered "Class D" PWM sinewave on its primary?

asked Dec 23, 2018 at 23:50

0 votes

1 answer

514 views

How to calibrate the vertical sensitivity of an old analog scope (Hameg HM203-6)? [closed]

asked May 20, 2018 at 17:19

0 votes

5 answers

1k views

High power (but low frequency) arbitrary waveform generator

asked Jun 10, 2018 at 15:38

0 votes

1 answer

545 views

LSM6DS33 how to filter accelerometer values even more (< 50Hz)

asked Mar 9, 2018 at 9:26

0 votes

1 answer

253 views

What's the PIC FVR's gain amplifier settling time when you change the gain

asked Mar 15, 2018 at 13:09

0 votes

2 answers

779 views

Why my current mirror results in wildly different currents?

asked Dec 5, 2019 at 11:24

0 votes

2 answers

77 views

Motor specifications - how to compute allowable running time for power levels between the continuous and peak specs?

asked May 2, 2020 at 8:34

Stack Exchange Network

68 Questions

Are there thermovision cameras available to hobbyists? [closed]

Why are BLDC motors so expensive? [closed]

How dangerous is to have the USB (2.0) D+/D- lines are exposed in the open (ESD et al)?

Is a DC blocking capacitor required between a GPRS modem and the antenna?

How do you prove that a certain circuit is impossible to construct with a certain amount of switches?

Simulation issues with a simple 3-phase rectifier circuit

How to properly couple an audio (headphones) signal from a big/unknown system (worried about short circuits and ground loops)

What's the name of this DC-DC topology?

Designing an automotive alternator's voltage regulator - how to avoid magnetic saturation in the rotor?

What material exactly is used in the shiny antistatic bags?

Can I extend the allowed Vin range of a voltage detector IC with a simple zener shunt regulator?

Why do large power stations' generators rotate at ≥ 1800 RPM?

Are there any caveats to running a boost converter at zero duty cycle?

Most efficient way to generate 5.0 and 13.25 volts out of 2xAA

Suggestions to interface a photodiode in the MHz range

Measuring internal resistance of a battery while it's being charged

Multi-cell battery measurement design

100 mA current sink with LM317 does not work above 25V

How to route a nasty signal (200V/µs)?

How to protect a buck DC-DC being backfed from the load (e.g. a battery as a load)?

Would a bridge rectifier allow to detect µs-scale pulses of either polarity

What damage occurs in an ESP32 when you power it with 5V

Device's ground riding on a non-ground signal

How would a mains transformer react to unfiltered "Class D" PWM sinewave on its primary?

How to calibrate the vertical sensitivity of an old analog scope (Hameg HM203-6)? [closed]

High power (but low frequency) arbitrary waveform generator

LSM6DS33 how to filter accelerometer values even more (< 50Hz)

What's the PIC FVR's gain amplifier settling time when you change the gain

Why my current mirror results in wildly different currents?

Motor specifications - how to compute allowable running time for power levels between the continuous and peak specs?