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The most recent discussions

Dino DIni does electronic stream


February 11, 2021, 10:53 pm

Programming a PIC to flash LED's https://www.youtube.com/watch?v=-3rE1mqYsB4 -- Mike Garcia http://mgarcia.org Read more »

2 Black Reps Targeted? 2 Capitol Police 'Suicides'


January 29, 2021, 1:51 pm

Were Panic Buttons Removed From Democratic Lawmaker?s Office Prior to Insurrection? by Jessica Lee Snopes - Jan 14, 2021 -- https://www.snopes.com/fact-check/pressley-panic-buttons/ Were Pani... Read more »

HVDC line grounding system question


January 3, 2021, 6:03 am

There is a long HVDC power line from northern Quebec Canada to Ayer, Massachusetts USA. It operates at either +/- 375 kV or +/- 450 kV depending on source. As I understand it, it is grounded at e... Read more »

What kind of amp do I need


December 8, 2020, 6:44 pm

I bought a new TV and like most now, they don't have a line level output. I bought a digital to analog adapter to drive my remote amplified speakers but the line level out of the converter is so lo... Read more »

Power Factor Correction


November 19, 2020, 4:58 pm

Hello, everyone and if I may be permitted to revisit my question from a while back for which there was only speculation in the responses: On medium-voltage (say up to 69 kV) distribution lines, ... Read more »

1.5 VDC Pseudocell

  [ 2 ]
November 8, 2020, 9:08 pm

This project shows how to build a 1.5 VDC pseudocell to take the place of an AA sized battery. The mechanical aspect of this project offers the greatest challenge. The electronic portion utilizes ... Read more »

Composite video


November 1, 2020, 2:37 am

Dumb question Why won't a TV distribution amp pass this? It sounds like it ought to be up in the RF band. I have a composite video signal that is not happy being split so I put a TV amp in the lin... Read more »

electronic ballast woes...


October 7, 2020, 4:34 pm

One of my clients who is a hairdresser bought one of these cheap chinese sterilizers for sterilizing her scissors etc.which is actually a plastic box with a fluorescent lamp sans phosphor that em... Read more »

HVDC underwater connectionof Crete to Greece mainland


August 2, 2020, 11:09 am

A few weeks ago the contracts were signed for this connection, from Crete, to Attica, 2 underwater cables, length 500 km, 500 kV, HVDC.It goes without saying that the inhabitants of the Damasta v... Read more »

Rhode & Schwarz - Website Down?


July 29, 2020, 1:10 pm

Hello, all. I haven't been able to access the subject's website for 2 weeks now. Assuming the problem isn't on my end why would a major supplier of test equipment allow this? Thanks for any in... Read more »

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The best rated discussions

Unsolderable wire?

rating: 5
  [ 2 3 ]

I am trying to solder some RG-6 shield to a pcb. The braid won't tin. It's almost like it's dissipating the heat faster than I can apply it. With both a temp-controlled iron (set as high as 700F)... Read more »

Help with circuit diagram please

rating: 5

Hi I have a slightly unusual project I wonder if someone can help with. I need to customise a guitar to include 20 4.8v 3A torch batteries. They will be powered by 2 4.5V Alkaline batteries, the tric... Read more »

Excessive brush wear on DC motor.

rating: 5

Greetings! We have a field excitation DC motor on our SAMP machine. We are experiencing 1 brush on the DC motor to be wearing out a lot faster than the other 3. (My understanding is that the brush t... Read more »

Questions on series versus parallel outlets in garage/shop

rating: 5
  [ 2 ]

I have been learning a lot and realized I may have done a bad thing. I think I wired all my garage outlets in series. The first outlet is a GFCI, wires from panel go in the line side and all the othe... Read more »

Actual Ampacity Rating ROMEX SIMPull Type NM-B in a residential attic.

rating: 5

Please help me keep from tearing my hair out. I am installing a subpanel in an existing, small 22 by 8 foot (176 sqft) addition to my home. The original wiring was not done to code and has since b... Read more »

B-FTP vs B-FHTP Electrical Motor

rating: 5

I am trying to replace a 120v C-Frame Shaded Pole motor in a kickspace heater. It was installed in 1978. I can't find that spec ( B-FHTP) but only the B-FTP spec. It is a small motor that was mad... Read more »

conduit fill - romex?

rating: 5

We're working on a kitchen renovation in a house built about 1900. The kitchen space has been gutted down to the studs and overhead joists and is nice and easy to wire with romex. There are suffic... Read more »

Fwd: Can LED bulbs be connected to a flasher?

rating: 5

-------- Forwarded Message -------- Subject: Can LED bulbs be connected to a flasher? Date: Mon, 14 May 2018 14:08:24 -0500 From: Bud@Weiser.com Organization: Aioe.org NNTP Server Newsgroups: al... Read more »

Where do you source 35 Amp 220VAC circuit breakers that are NOT in typical ...

rating: 5
  [ 2 ]

Where do you source circuit breakers that are NOT in typical box stores? o Carling AA3-B0-24-635-5D1-C (do you have a decoder for that number?) PG&E has currently cut the power to us in California ... Read more »

Microwave oven Diode Burnout ?

rating: 5

I need help from someone with an understanding of how Microwave oven's work. The high voltage diode in my Microwave has burned out three times now. While the original diode lasted years, the first re... Read more »

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