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In serious need of a hug
Why do I want my liver to be eaten by a foxxy lady?
Typos are a spook

"Not the worst person on the instance"
snacks

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Reply to @snacks
@mia ohhhhhhh. It shipped with a 9v battery adapter. Maybe it's supposed to protect against idiots jamming the battery against the terminals the wrong way around
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Reply to @mia@shrimptest.0x0.st
@mia for the psu?
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Reply to @snacks
i'm prob just too dumb to figure out what it's supposed to do
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really, i don't get why this diode is there. Was wondering if it's to protect the usb from higher voltages on the dc in but in this diagram you can see that's not the case. It just seems to be a rectifying diode on a dc input
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i know you write schottky with sch, but i can't get myself to not write sh in english
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Reply to @snacks
Edited 1 month ago
@twinspin6 @eal @poni unless i make a full bridge rectifier out of schottky diodes ig
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Reply to @twinspin6@outerheaven.club
@twinspin6 @poni @eal that'd be over a volt of voltage drop on my 6VAC input tho
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lmao, this psu is just a diode followed by 2 ldo regulators in a row
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Reply to @poni@ak.kawen.space
@poni @twinspin6 @eal the buck converter i tried to use for my current project doesn't like the half wave rectifier i put in front of it sadly. Maybe if i throw more capacitance in front of it...
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Reply to @poni@ak.kawen.space
@poni @twinspin6 @eal was wondering if it's just step down. Really not hard to make a psu like that in this case ig
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Reply to @snacks
the rectifier in front is just getting a break
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watch me crimp the flimsiest cable perfectly into a boot for 1.5mm^2
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Reply to @snacks
did you know that most pc psus run just fine on dc voltage?
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> dc in
> has a rectifing diode
???
Not that i'm complaining since i wanna just run ac into that but still
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When desoldering something the first step is always to add more solder
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repeated
kaia@pleroma.soykaf.com

kaia

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Reply to @snacks
Just put 3F supercaps on input and output lmao (sadly the supercaps i bought aren't rated for 9V)
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Reply to @snacks
Do I just grab bigger caps? it has a 100uf electrolytic cap already
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Reply to @snacks
Ig this random buck converter can't cope with the fluctuating output of my rectifier even with decently sized capacitors
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made a non-functioning psu for converting bicycle dynamo output to 3.3V
Broke some plugs on the bicycle's wiring
Luckily had everything needed to repair it from making the psu
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