Hobby Electronics Basics

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Re: Discharging ... Usenet go IPO???

>> >> That should have been Reddit? >> Why isn't Usenet listed in NYSE? Why Threads & Reddit can? >> >> Come on Usenet,...
5 comments posted 4mos
posted by toylet.toylet
5 comments posted 4mos posted by toylet.toylet

OpenCockpit prototype 2 - YouTube

OpenCockpit prototype 2 - YouTube -- @~@ Simplicity is Beauty! Remain silent! Drink, Blink, Stretch! / v \ May the Forc...
0 comments posted 9mos
posted by toylet.toylet
0 comments posted 9mos posted by toylet.toylet

Cleaning wires with isopropyl alcohol?

Hi. Is it okay to clean wires with 99% isopropyl alcohol? Does it degrade the plastic insulation or anything like that?...
3 comments posted 1yr
posted by christopher
3 comments posted 1yr posted by christopher

really?

While repairing some old oscilloscope I studied its schematic a bit to learn how they managed to build it just with 3 t...
1 comments posted 1yr
posted by rodiongork
1 comments posted 1yr posted by rodiongork

DC motor reversing

Hi there I am no electronics geek And I am wondering whether it is possible to get a C motor circuit without relays (may...
2 comments posted 2yrs
posted by iam
2 comments posted 2yrs posted by iam

Re: WHAT IS THE SPEED OF ELECTRICITY? (2025 Update)

Electricity itself does not have a single "speed" in the way that physical objects do. Instead, electricity refers to t...
0 comments posted 3yrs
posted by jossbuttler1337
0 comments posted 3yrs posted by jossbuttler1337

Scope use question

I'd like to use both traces on my scope to look at 2 voltages that are without a common reference. E.g., across R1 & ac...
10 comments posted 3yrs
posted by BobEngelhardt
10 comments posted 3yrs posted by BobEngelhardt

Power Calc

Okay, here's anohter dumb quesiton. Say I have a resistor across the mains power supply. Say its 10k for argeuments sak...
2 comments posted 3yrs
posted by dhg99908
2 comments posted 3yrs posted by dhg99908

Resistors in parallel

Hi guys, I need to make up a 15k 4 Watt resistor from a selection of half Watt resistors in parallel. But the math is a...
3 comments posted 3yrs
posted by dhg99908
3 comments posted 3yrs posted by dhg99908