Electronics Design

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strange DAC

I need an isolated DAC. I could just generate a PWM thing, isolate it, and lowpass filter on the high side. But we coul...
17 comments posted 4yrs
posted by jlarkin
17 comments posted 4yrs posted by jlarkin

flux anyone?

https://www.flux.ai/p Does anyone use that? It looks to me like a bunch of script kiddies who don't know much about ele...
24 comments posted 4yrs
posted by jlarkin
24 comments posted 4yrs posted by jlarkin

Folks used to be true artisans

Look what hundreds of years of grassland creates. A two foot thick mat of soil. A farmers son sees some pottery and loo...
7 comments posted 4yrs
posted by DecadentLinuxUserNumeroUno
7 comments posted 4yrs posted by DecadentLinuxUserNumeroUno

$161 oscilloscope

I was looking for something else and this showed up: https://www.amazon.com/s?k=0751300436685&crid=21WX22FGW2XXG&sprefi...
47 comments posted 4yrs
posted by jlarkin
47 comments posted 4yrs posted by jlarkin

Cell Phone Charge Lasts a Week

That's supposed to happen in the near future.
3 comments posted 4yrs
posted by deanh6929
3 comments posted 4yrs posted by deanh6929

Model train electronics

The foamers have come to the conclusion that a reason their tracks get "dirty" and cause power drop-outs is in large pa...
63 comments posted 4yrs
posted by user
63 comments posted 4yrs posted by user

Corona Update 16, Treatment Wars

Additional new information has leaked out that this pandemic is actually a plan-demic, it was planned by the medical in...
0 comments posted 4yrs
posted by skybuck2000
0 comments posted 4yrs posted by skybuck2000

REF01

Here's my REF01 in a box. I set the trimpot a few years ago and just pulled it out of a drawer and powered it up. https...
4 comments posted 4yrs
posted by jlarkin
4 comments posted 4yrs posted by jlarkin

A new spin on MRI

A new spin on MRI: https://www.sciencedaily.com/releases/2021/12/211213121832.htm Using a frequency converter from 17 MH...
2 comments posted 4yrs
posted by pNaOnStPeAlMtje
2 comments posted 4yrs posted by pNaOnStPeAlMtje

First optical oscilloscope?

First optical oscilloscope??? https://www.sciencedaily.com/releases/2021/12/211213175012.htm No paper no picture...only...
0 comments posted 4yrs
posted by pNaOnStPeAlMtje
0 comments posted 4yrs posted by pNaOnStPeAlMtje

Filter Cap for a battery pack ?

I need to select a capacitor for a battery pack. I see a lot of circuits that use Alkaline batteries and then have a ce...
5 comments posted 4yrs
posted by sidwelle
5 comments posted 4yrs posted by sidwelle

Reliable PCB manufacturer not located in China?

Anyone have a company they can recommend that is perhaps in Taiwan or any other country than China? I prefer online quo...
4 comments posted 4yrs
posted by spam
4 comments posted 4yrs posted by spam

tee trace

Suppose one had a microstrip trace that was higher impedance than ideal, but couldn't be made wider. One could reduce t...
30 comments posted 4yrs
posted by jlarkin
30 comments posted 4yrs posted by jlarkin

Bought a cheap hot-air workstation.

By cheap, I mean $159 Australian. This is what happened the first time I tried to change the nozzle. https://www.dropbo...
3 comments posted 4yrs
posted by sylvia
3 comments posted 4yrs posted by sylvia

Bit rot in micro controllers?

Just repaired our fridge when, according to Murphy's law, the next appliance became shaky. Our pellet stove has twice r...
119 comments posted 4yrs
posted by news
119 comments posted 4yrs posted by news