Electronics Design

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Signal pot dividing multiple signals

Hi, forgive me if there is some overlap with my previous thread about multipliers. But with my analog computer, a very...
1 comments posted 4mos
posted by christopher
1 comments posted 4mos posted by christopher

one potentiometer dividing multiple signals

In my analog computer setup, a very common thing is to use potentiometers as coefficients, i.e., as voltage dividers th...
22 comments posted 4mos
posted by christopher
22 comments posted 4mos posted by christopher

fast divider?

We're designing a little pulse generator and want to include a user-programmable trigger divisor, for pulse picking or...
38 comments posted 4mos
posted by jl
38 comments posted 4mos posted by jl

USB flash capabilities

I'm toying with the idea of letting users mount USB drives as live volumes (not just for "data transport"). With "real"...
14 comments posted 4mos
posted by blockedofcourse
14 comments posted 4mos posted by blockedofcourse

prepreg question

Does this stackup picture make sense? https://blog.picamfg.com/understanding-prepreg-and-core-dielectrics-in-pcb-stacku...
25 comments posted 5mos
posted by jl
25 comments posted 5mos posted by jl

emery sticks

Emery sticks - handy for buffering/burnishing. A lot easier than paper or cloth. From Revlon at your local cosmetics sal...
8 comments posted 5mos
posted by legg
8 comments posted 5mos posted by legg

it's hard to buy tnings

It's really hard to get pricing. People have no visible email address to request pricing and want you to fill out forms...
15 comments posted 5mos
posted by jl
15 comments posted 5mos posted by jl

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 5mos
posted by jl
6 comments posted 5mos 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 5mos
posted by christopher
25 comments posted 5mos 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 5mos
posted by dj
2 comments posted 5mos 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 5mos
posted by jl
9 comments posted 5mos posted by jl