Sci.Electronics.Basics is a worldwide Usenet news group that is used to discuss basic electronics questions.
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Started by Unknown 2 hours ago
I have forgotten everything I learned in the single electrical science class I took in college 25 years ago. Please forgive my ignorance.
I have a single 12V 2A power supply. I want to simultaneo...
Posted by Fester Bestertester - 11 hours ago
There are some members of electronic forums that suggest coating automotive
battery posts with grease ("any king--axle, lithium, copper") before
attaching cable-end clamps to the posts a...
Started by Unknown 13 hours ago
What are the "Classic Semiconductors" out there?
I stumbled across the MC34063 as a "classic" switching regulator (considered somewhat obsolete today because of the low, 100 kHz...
Posted by gm - 1 day ago
I hope that someone is working with dsc alarm system.
I'm using paradox but i have used dsc before few years.
I installed 8 sensors on 1832 panel and i set section 202.
First zone is delay...
Posted by Jim Thompson - 2 days ago
Anyone have experience/recommendations for wireless ways to distribute
HDMI to multiple TV sets?
| James E.Thompson ...
Started by Unknown 3 days ago
I have an old Miller Gold Star welder that may have failing high
voltage caps in the high frequency circuit. I think I can still buy
these caps from Miller but they are expensive and if th...
Posted by M. Hamed - 4 days ago
AoE Chapter 3 - circuit ideas A (high-input-impedance follower)
and at t...
Posted by Lynn - 4 days ago
I have a schematic for getting 48 volts off the phone but can't read the component sizes.
Anyone have it?
Posted by Ron M. - 4 days ago
Have immediate needs for SCR for a latching alarm circuit. Unable to source locally. Only RS and they don't have them. Would a triac act in the same way in a DC circuit? Please don't beat me up too mu...
Posted by M. Hamed - 6 days ago
So I got a bunch of these from China for a couple dollars. How can I tell they are not fakes and does it matter if I'm just going to stash them in my junk box and I don't expect any critical applicati...