⏚ Electrical Engineering

PCB assembly tutorial, how to turn PCB into PCBA step by step？

Step 1: Solder Paste Printing Solder paste printing is the first step in PCBA processing. We apply solder paste to the...

0 comments posted 3yrs

posted by Samlokiy Samlokiy

0 comments posted 3yrs posted by Samlokiy Samlokiy

Question about connecting battery

I am connecting a 4.8v NiCd pack to two LED lights and would like to know the difference between connecting them in two...

3 comments posted 3yrs

posted by m-m

3 comments posted 3yrs posted by m-m

Why Ceiling fan not responding to remote control?

The remote control could also be malfunctioning. Try replacing the batteries and if that does not work, try another rem...

0 comments posted 3yrs

posted by Kyson Morrow

0 comments posted 3yrs posted by Kyson Morrow

Richter or Merkel ?

In the film San Andreas, do we use the Richter scale or the Merkel scale to measure earthquakes? We should remember thi...

2 comments posted 3yrs

posted by mailkior

2 comments posted 3yrs posted by mailkior

National instruments RPM ... Run cap back emf.. and current data logging

Has anyone created or have any good suggestions for creating a motor characterizer .... want to look at a motor with kn...

0 comments posted 3yrs

posted by Pasieka

0 comments posted 3yrs posted by Pasieka

run capacitor sizing ? cannot determine original size and no manufacturer info is available

looking for a run capacitor to the 5 HP Doerr motor powering the families air compressor... no-one knows or has documen...

8 comments posted 4yrs

posted by Pasieka

8 comments posted 4yrs posted by Pasieka

self-regulating line capacitor at 20 kV with potential transformer?

There are many of these here (Greece, Crete, Iraklion Prefecture) at first I thought they were circuit breakers, but th...

2 comments posted 4yrs

posted by noone

2 comments posted 4yrs posted by noone

Do I have 208 or 240 volts in my apartment?

I just had a new circuit installed for a dryer. I was told it was 240 volt but I'm having doubts. Would I be able to te...

8 comments posted 4yrs

posted by 0f8503901d844703eea1acecb7a4938a_2858

8 comments posted 4yrs posted by 0f8503901d844703eea1acecb7a4938a_2858

Do I have 208 or 240 volts in my apartment?

I just had a new circuit installed for a dryer. I was told it was 240 volt but I'm having doubts. Would I be able to te...

0 comments posted 4yrs

posted by LON484

0 comments posted 4yrs posted by LON484

Cheap meter to measure EMR from power lines?

What would be a decent type meter to measure electro magnetic radiation from power lines? More out of curiosity than fe...

0 comments posted 4yrs

posted by gfretwell

0 comments posted 4yrs posted by gfretwell

Merry Christmas

Well... this post's holiday greeting is for the United States. But Merry Christmas to the rest of the world too.

0 comments posted 4yrs

posted by DecadentLinuxUserNumeroUno

0 comments posted 4yrs posted by DecadentLinuxUserNumeroUno

Flywheel -> high voltage, high frequency output

I am looking into powering a high voltage, high frequency output (up to 20kV, 20kHz) with a sine wave signal from a fly...

6 comments posted 4yrs

posted by curiousengineer2000

6 comments posted 4yrs posted by curiousengineer2000

Special Issue "Advances in Nikola Tesla Technologies in the 21st Century"

We would be most happy to invite your papers in this special issue. https://www.mdpi.com/si/97505 Special Issue "Advanc...

0 comments posted 4yrs

posted by adriancheok

0 comments posted 4yrs posted by adriancheok

Pifco Xmas tree lights

I have been called uppon by SWMBO to repair her Pifco Xmas tree lights which she purchased over 5 years ago. (Yes, we h...

16 comments posted 4yrs

posted by headstone255

16 comments posted 4yrs posted by headstone255

OT Nuclear U-Boats; how do they condense the steam?

After following the Vigil TV series (with all its reported errors) and also the prog on HMS Trenchard, when a Brit U-bo...

81 comments posted 4yrs

posted by headstone255

81 comments posted 4yrs posted by headstone255