Electronics Design

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Worth reading in Electronics Design

run on SSRs?

I'm looking for a small smt dual SSR, but people have non in stock, or prices are insane. John Larkin Highland Tech Glen...
6 comments posted 6mos
posted by jl
6 comments posted 6mos posted by jl

simple protection for low wattage speakers?

Hi, lately I've been playing around with making sounds on tiny 8-ohm speakers — whatever units I could get for free, wh...
25 comments posted 6mos
posted by christopher
25 comments posted 6mos posted by christopher

this capacitor is sus...

https://www.delorie.com/photos/misc/sus.html Pulled from a Metcal MX500. It's part of the RF section, unit was "draws po...
2 comments posted 6mos
posted by dj
2 comments posted 6mos posted by dj

cool column

https://www.spiked-online.com/2026/02/28/the-myth-of-the-post-industrial-economy/ I still wonder if AI can do decent el...
9 comments posted 6mos
posted by jl
9 comments posted 6mos posted by jl

free? CAD models

Has anyone used this? https://www.futureelectronics.com/resources/design-tools/snapmagic-cad-models?loc=1 John Larkin Hi...
5 comments posted 6mos
posted by jl
5 comments posted 6mos posted by jl

another little 4-layer board

https://www.dropbox.com/scl/fi/gyn41v2ncb4wcqmise50d/X128_A4.jpg?rlkey=o3lurjhi0srwa7axsbzijjv4l&raw=1 This is just a t...
29 comments posted 6mos
posted by jl
29 comments posted 6mos posted by jl

Why are BFR181 transistors so fragile?

I am trying to replace my BFR193 transistors with BFR181 but they no longer do their transistor job once I solder them....
16 comments posted 7mos
posted by coulon
16 comments posted 7mos posted by coulon