Seeking an enclosure...

Started by Peter Percival in sci.electronics.basics6 months ago 8 replies

Seeking an enclosure that looks like this from the side: +--- | \ | \ | \ | | +-------+ Think of a meter...

Seeking an enclosure that looks like this from the side: +--- | \ | \ | \ | | +-------+ Think of a meter case, terminals on top, meter face and range-selecting knob on top. Where may I find such things? Steel, aluminium, ABS will do. -- "He who will not reason is a bigot; he who cannot is a fool; he who dares not is a slave." - Sir William Dru...


Looking for a 7984 valve

Started by Peter Percival in sci.electronics.basics6 months ago 2 replies

I'm thinking of making http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/August%202014/JULSTROM.pdf. Any thoughts about where I can...

I'm thinking of making http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/August%202014/JULSTROM.pdf. Any thoughts about where I can get the 7984 valve? -- "He who will not reason is a bigot; he who cannot is a fool; he who dares not is a slave." - Sir William Drummond


Current carrying capacity of wire by gauge size

Started by AK in sci.electronics.basics6 months ago 10 replies

Having a hard time finding something that isn't rocket science. I thought that since it takes shielded wires to get the current necessary to...

Having a hard time finding something that isn't rocket science. I thought that since it takes shielded wires to get the current necessary to run electronic items, it would loosely be related. :-) I want to know the current carrying capacity of shielded wire by the wire gauge for runs of less than 25 feet. I found this. https://www.engineeringtoolbox.com/wire-gauges-d_419.html Any re...


Hot air rework station

Started by AK in sci.electronics.basics6 months ago 1 reply

I bought one of these a while back, but the manual had nothing covering how to use the hot air rework station. Is there a way of getting...

I bought one of these a while back, but the manual had nothing covering how to use the hot air rework station. Is there a way of getting instructions on using it? I think several companies make the same model. https://www.amazon.com/TXINLEI-898D-Soldering-Tweezers-Desoldering/dp/B07G7BH4HY/ref=sr_1_3?keyw ords=898d&qid=1562950172&s=gateway&sr=8-3 Is that what I would use to remove a sw


Diagnose circuit board issue

Started by AK in sci.electronics.basics6 months ago

I am trying to diagnose why the door chime no longer works. The receiving unit sounds the various melodies. The battery...

I am trying to diagnose why the door chime no longer works. The receiving unit sounds the various melodies. The battery voltage is ok. I have thoroughly cleaned the circuit board. The led lights up when the switch is pressed. Any other things to try next? Thanks. https://imgur.com/a/cZH4n5U


Can you build this Star Trek Communicator 1966?

Started by Mr. Man-wai Chang in sci.electronics.basics7 months ago 1 reply

Meow... ;) -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity is Beauty! /( _ )\ May...

Meow... ;) -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity is Beauty! /( _ )\ May the Force and farces be with you! ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3 ¤£­É¶U! ¤£¶BÄF! ¤£½ä¿ú! ¤£´©¥æ! ¤£¥´¥æ! ¤£¥´§T! ¤£¦Û±þ! ¤£¨D¯«! ½Ð¦Ò¼


Power Transformer

Started by AK in sci.electronics.basics7 months ago 5 replies

I plan on selling a 9 lb. Yamaha transformer on Ebay. The box I have is rated at 29 lbs per inch for the edge crush test. Do I need to send...

I plan on selling a 9 lb. Yamaha transformer on Ebay. The box I have is rated at 29 lbs per inch for the edge crush test. Do I need to send it in a wood enclosure? If that thing is dropped, it could break a foot. Thanks, Andy


Hookup wire

Started by AK in sci.electronics.basics7 months ago 30 replies

Is 26 gauge hookup wire ok for my circuit board ? I am using PCB boards. I think the holes are the standard width apart.

Is 26 gauge hookup wire ok for my circuit board ? I am using PCB boards. I think the holes are the standard width apart.


Charging NiMh batteries when not completely discharged

Started by AK in sci.electronics.basics7 months ago 26 replies

The aaa alkaline batteries went out on my tv remote. I decided to use my NiMh UBL aaa batteries. 1100 mAh. They are currently showing 1.31...

The aaa alkaline batteries went out on my tv remote. I decided to use my NiMh UBL aaa batteries. 1100 mAh. They are currently showing 1.31 volts. And they work ok in the remote as is. My charger is the manual type. It charges that type at 150 mA. I want them fully charged since they are 1.2 volts versus 1.50 for the alkaline. I would like to know how much longer to charge them...


Breakout leads for UK phone plugs & sockets?

Started by Terry Pinnell in sci.electronics.basics7 months ago 3 replies

My workshop stuff includes many unused phone cables, discarded when their respective phones were replaced over the years. I'd like to use...

My workshop stuff includes many unused phone cables, discarded when their respective phones were replaced over the years. I'd like to use these for general wiring around the house/garden/garage/workshop. Can anyone recommend a cheap socket to make interfacing easier please? With breakout leads to either plain (and thicker) wire ends or screw blocks or similar? Terry, East Grinstead, UK


Ask a Question to the Electronics-Related community

To significantly increase your chances of receiving answers, please make sure to:

  1. Use a meaningful title
  2. Express your question clearly and well
  3. Do not use this forum to promote your product, service or business
  4. Write in clear, grammatical, correctly-spelled language
  5. Do not post content that violates a copyright