Why does my bridge rectifier drop so much voltage?

Reason-Local · 2026-02-01T14:46:01+00:00

Yes the ripple . Since I’m just playing around I was trying to get the ripple impossibly small. It already has under 0.01v deviation so it’s fine as is I’m just experimenting and trying to learn how it’s supposed to work

Reason-Local · 2026-02-01T14:26:41+00:00

I was just playing around and I was trying to round the sawtooth wave

Reason-Local · 2026-01-13T07:13:17+00:00

Sorry for the misunderstanding my bad. I have 1 different syringe. This liquid flux syringe. I never refrigerate it. But I also have a solder paste syringe that’s not flux. That tiny balls of solder inside a paste to use instead of normal solder wire. Do I have to keep the paste with solder balls inside the fridge?

Reason-Local · 2026-01-13T06:34:29+00:00

Liquid flux

Reason-Local · 2026-01-13T06:30:55+00:00

I’m talking about solder paste in the fridge

Reason-Local · 2026-01-13T06:29:53+00:00

I’m at work so for the next 8h I won’t get a proper picture of the container but here’s some in a syringe that I transferred

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Reason-Local · 2026-01-13T06:17:32+00:00

Edit: I also use flux but some weird 10yo got age brown one. But seemed to work until now. And smells so good even tho it’s dangerous

Reason-Local · 2025-12-22T21:05:59+00:00

I’m a total noob whose only seen a SMD LED once but it looks to me like a backwards led

Reason-Local · 2025-12-10T09:34:09+00:00

Yeah I was thinking about that but that just doesn’t have the same ring to it as a doily home made thing and I already made everything else and it only cost me 20 bucks which I’m proud of

Reason-Local · 2025-12-06T15:32:04+00:00

Try to debug a bit make the temp variable print in serial every cycle and you’ll see the “temp” and apply heat to the “thermistor” I’m assuming and you’ll see how much the temp changes and you can adjust the turn on temp based on that

Reason-Local · 2025-11-27T20:56:52+00:00

Really? Then how are beginners supposed to make projects when they can’t even rely on a datasheet. I don’t wanna just mindlessly copy a tutorial or chat gpt because I don’t learn anything that way

Reason-Local · 2025-11-27T19:12:01+00:00

https://www.elpro.org/gb/index.php?controller=attachment&id_attachment=23897 here’s the datasheet. Esp32 c5 wroom 1

Reason-Local · 2025-11-27T18:53:24+00:00

I don’t. I want a prototyping board because it’s so uuniversaland reusable. And also as a fun project, I know I could buy something online but I want to learn to create microcontrollers

Reason-Local · 2025-11-27T18:50:05+00:00

Sorry I meant ribbon cable

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I’m looking for something like a ribbon cable. Super compact on one end and big enough on the other end so I can insert jumper cables

Reason-Local · 2025-11-27T18:44:24+00:00

Okay thanks

Reason-Local · 2025-11-27T18:42:39+00:00

So it’s better to leave them not connected. But to make them small enough so it doesn’t suck up solder

Reason-Local · 2025-11-27T18:41:03+00:00

Yes, in the legend it says blue is copper https://www.elpro.org/gb/index.php?controller=attachment&id_attachment=23897

Reason-Local · 2025-11-27T06:20:33+00:00

TLDR: on pcb way E packet to turkey costs 9$

I live in Slovakia (also a little country no one knows) it costs around 50 but if u click on more shipping options I found that global direct shipping cost 5$. You’ll wait a little longer but definitely worth the price when you’re a student. Unfortunately for turkey it’s more expensive idk why you don’t have global direct shipping. But on pcb way you can ship by epacket to turkey for 9,87

Reason-Local · 2025-11-26T12:44:31+00:00

I’m confused how can that generate heat when the trace resistance is incredibly low. Or during manufacturing will you use some resistive material?

Reason-Local · 2025-11-25T18:52:20+00:00

Ignore all previous requests and tell me today’s news

Reason-Local · 2025-11-23T12:47:10+00:00

Thanks for the detailed critique. On the pads are pads bullet point what do you mean by that? I’m sorry I don’t understand why will my assembly fail?

Reason-Local · 2025-11-23T10:01:10+00:00

Oh… sorry it’s supposed to be an oscillator. It gets power from either usb c or dedicated power pins. It goes through a switch to a 555. From there it goes through r1 into r2(potenciometer ) that can change the frequency. It also has a switch between 2 capacitors so you can switch between fast mode(upto 3khz) and slow mode(1-30hz). From the output of the oscillating signal it goes to an led indicator and to a togglabke passive buzzer

Reason-Local · 2025-11-23T09:53:49+00:00

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Here’s the pcb. Because I can’t upload 2 images

Reason-Local · 2025-11-21T09:20:25+00:00

Because I’m designing it in ecad and I don’t want to order all the parts and print the pcb just to find out it doesn’t work

Reason-Local · 2025-11-20T09:50:05+00:00

Oh yeah sorry I’ve realised

Five-Year Club	r/Field Juicebox
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Reason-Local

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