User FarO

26 votes

14 answers

15k views

Is there any reason nowadays to use a neon indicator lamp instead of an LED?

asked Sep 17, 2019 at 12:41

5 votes

2 answers

1k views

What are the disadvantages of using a diode to drop Vcc by a fixed amount?

asked Sep 27, 2017 at 15:40

4 votes

1 answer

671 views

How should I connect the audio ground and shield wires in a Cat5 cable for analog audio?

asked May 17, 2019 at 12:32

4 votes

2 answers

4k views

Why a diode to GND in 0-30V LM317 circuit?

asked Aug 4, 2015 at 17:57

3 votes

2 answers

3k views

Setting a step-down regulator to provide constant drop on the following linear regulator

asked Aug 5, 2015 at 8:32

3 votes

3 answers

5k views

How to connect GPIO16 and RST of ESP8266?

asked Sep 20, 2017 at 11:52

2 votes

1 answer

78 views

Are there measurements I can take on my server's power supply to estimate its health?

asked Mar 12, 2020 at 15:44

2 votes

3 answers

1k views

How to manufacture cheap custom flexible circuit boards? (strips)

asked Oct 22, 2015 at 13:35

2 votes

1 answer

542 views

Is it possible to regenerate lead-acid battery kept always charged?

asked Nov 24, 2015 at 10:20

2 votes

0 answers

244 views

Waterproof connector to hack electric toothbrush [closed]

asked Oct 10, 2016 at 9:49

2 votes

1 answer

537 views

How to speed up charging of output capacitors of ADXL335?

asked Jan 20, 2017 at 16:16

2 votes

1 answer

106 views

Why so different lumen efficiencies between mains and 22V halogen?

asked Oct 28, 2015 at 21:06

1 vote

1 answer

109 views

What would happen to the turn-on transient if I add a capacitor in parallel to a transformer?

asked Aug 20, 2019 at 13:01

1 vote

0 answers

66 views

How should I modify a welder to add a pedal to enable the output?

asked Aug 27, 2019 at 9:34

1 vote

2 answers

1k views

What device can I use as a load to calibrate a power meter accurately?

asked Sep 23, 2020 at 21:12

1 vote

0 answers

46 views

Can I add TMC stepsticks in parallel with existing A4988?

asked Feb 21 at 21:38

1 vote

2 answers

625 views

How to measure air dust/particles in kitchen?

asked Jan 17, 2017 at 14:06

1 vote

2 answers

73 views

Expected percentage of collisions for uni-directional wireless transmissions

asked Feb 4, 2015 at 11:14

1 vote

1 answer

766 views

Retrofit a Hi-Fi remote with a RF 433 MHz module

asked Feb 3, 2016 at 15:06

1 vote

1 answer

292 views

How to reliably sample a sensor during the rotation of a wheel in a car?

asked Apr 20, 2016 at 14:31

1 vote

0 answers

764 views

What to check for hissing noise in a LCD monitor and how to reduce it?

asked Mar 18, 2020 at 20:56

1 vote

1 answer

854 views

How many MOSFETs can a linear controller handle?

asked Jan 9, 2018 at 10:52

1 vote

2 answers

535 views

What are the limitations of "fake" balanced audio cables?

asked Feb 2, 2018 at 9:41

1 vote

2 answers

7k views

Half-wave coiled antenna or quarter wave straight?

asked Sep 13, 2017 at 14:58

1 vote

1 answer

107 views

What is the difference between these two attiny44a parts?

asked Jun 12, 2018 at 11:15

0 votes

1 answer

214 views

How to protect NTC thermistors for embedding in cement?

asked Jul 11, 2018 at 8:13

0 votes

1 answer

96 views

Keep spare LED bulbs or increase dimming? [closed]

asked Sep 19, 2018 at 9:25

0 votes

0 answers

43 views

What are my options to measure oxygen concentration in a high temperature wood burner flue gas?

asked Dec 25, 2018 at 21:23

0 votes

0 answers

127 views

Is this regulator circuit safe to use?

asked Oct 31, 2017 at 23:37

0 votes

1 answer

102 views

How does a (halogen) wound transformer dimmer work?

asked Feb 20, 2018 at 18:11

Stack Exchange Network

44 Questions

Is there any reason nowadays to use a neon indicator lamp instead of an LED?

What are the disadvantages of using a diode to drop Vcc by a fixed amount?

How should I connect the audio ground and shield wires in a Cat5 cable for analog audio?

Why a diode to GND in 0-30V LM317 circuit?

Setting a step-down regulator to provide constant drop on the following linear regulator

How to connect GPIO16 and RST of ESP8266?

Are there measurements I can take on my server's power supply to estimate its health?

How to manufacture cheap custom flexible circuit boards? (strips)

Is it possible to regenerate lead-acid battery kept always charged?

Waterproof connector to hack electric toothbrush [closed]

How to speed up charging of output capacitors of ADXL335?

Why so different lumen efficiencies between mains and 22V halogen?

What would happen to the turn-on transient if I add a capacitor in parallel to a transformer?

How should I modify a welder to add a pedal to enable the output?

What device can I use as a load to calibrate a power meter accurately?

Can I add TMC stepsticks in parallel with existing A4988?

How to measure air dust/particles in kitchen?

Expected percentage of collisions for uni-directional wireless transmissions

Retrofit a Hi-Fi remote with a RF 433 MHz module

How to reliably sample a sensor during the rotation of a wheel in a car?

What to check for hissing noise in a LCD monitor and how to reduce it?

How many MOSFETs can a linear controller handle?

What are the limitations of "fake" balanced audio cables?

Half-wave coiled antenna or quarter wave straight?

What is the difference between these two attiny44a parts?

How to protect NTC thermistors for embedding in cement?

Keep spare LED bulbs or increase dimming? [closed]

What are my options to measure oxygen concentration in a high temperature wood burner flue gas?

Is this regulator circuit safe to use?

How does a (halogen) wound transformer dimmer work?