r/soldering

how do these connections look?

how do these connections look?

if you want rate them 1-10, or just give any constructive criticism you have please and thanks

u/jtap- — 6 hours ago

Has the way they measured/rate soldering iron wattage changed ?

Preface: I have a lot of soldering experience from hobbyist grade RC cars and helicopters in my youth.

I recently bought a 100w chinese no name soldering station off Amazon to solder some 12ga wire/6mm bullet connectors. Put on the largest chisel tip, cranked up the heat to max and let it sit a few minutes, tinned the tip and got to work. It took me unusually long (45ish seconds)to heat the work until the solder flowed, kind of. Joints looked cold.

So I dug out my antique 90s Ungar(now weller) 45w #7760 for the first time in decades, and within 5 minutes I had some beautiful flawless joints.

The chinese unit's heating element looks just as big as the Ungar's when I changed the tips.

What is going on here, did I just buy some amazon junk , or do they use a different wattage measurement protocol for rating irons now?

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u/That_Chemical_4588 — 7 hours ago

First time desoldering and soldering on a joystick.

Joystick from the Backbone One, used a desoldering pump and some 2mm wick with some flux that i got a long time ago, leaded cynel solder 60/40.

I hate the tiny I tip that came with the T12X, this was just a test before putting a new one into my valve index controller, decided to wait for the geeboon tc22 because i just can't risk it with this tip, I'll live with the broken one a little longer :)

(we do not talk about the last photo, I couldn't get it to be a nice ball, all the solder just kept sticking to the tip.)

u/TokkenDev — 5 hours ago

Soldering alternative for motor fix

Okay so these wires broke off flush with that black casing surrounding them, which alone makes soldering them back next to impossible, add the fact they're about .25cm apart, the gap between the motor and the board they're bridging to is only 1 cm as well...and there's several magnets surrounding it. So getting the iron there at all is a nightmare and the solder keeps wanting to bridge the wires. So, any suggestions on what could be done there instead?

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u/iEh_Fuhkatehfat1wonz — 9 hours ago
▲ 5 r/soldering+1 crossposts

Wrong or Novice soldering?

Im sure you can tell that I did pins 1-8... I've tried to follow all the videos I've watched for instructions and tips. Am I doing something wrong or do I just need alot more practice?

u/FrontLettuce — 9 hours ago

First ever soldering project

Decided to fix up an old strat clone and bought a new soldering iron and a bunch bunch of parts. I think it went pretty well.

u/TheOneTheyCallTrans — 8 hours ago
▲ 15 r/soldering+2 crossposts

MusikDing Dyna Comp kit goes silent when turned on.

This might be the worst soldering job you have ever seen but it’s the best I could do with this being the first pcb I have ever built. None of the soldering points touch each other and the bypass works fine so there shouldn’t be a problem with the input output. The LED works fine it’s just the rest. I did nick the cream coloured rectangle thing with the iron so if anyone knows where i can get a replacement in London it would be greatly appreciated! thanks

u/One_Performance_7978 — 16 hours ago

Copper Lamps

Hello, i got these lamps second hand. They are copper sheets attached to wood. The copper is peeling off and I was told maybe soldering would be the best route to fix the lamp. I am looking for a seamless look, i dont want it to look soldered. I also have no experience soldering and was hoping to get a bit of guidance here! Thank you So much

u/L4Creatives — 7 hours ago
▲ 8 r/soldering+2 crossposts

My DIY power supply

Now I can check small devices such as LEDs, relays and something!

I'm so proud of myself because it is works and nothing exploded!

Features: variable output voltage(0 to 15V) with graphical display. Used old laptop power supply(19V 2.3A).

P.S. schematic on the last photo

u/IvanIsak — 8 hours ago

Soldering on steel

I’m rebuilding a 1967 Harley Sprint SS 250 and now dealing with the generator. Because the bike vibrates, they decided to put steel brush and spring holders on the generator case. Well, the enameled copper field coil wires need to be soldered to the steel holder. I’m stuck here.

Everywhere I look tells me I must use an acidic flux on the steel, then I also read that acidic flux will destroy copper wire over time. Any help will be appreciated on how to solder copper to steel? Thanks!!

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u/Any_Ride_9353 — 12 hours ago
▲ 2 r/soldering+1 crossposts

trying to repair an SNES cartridge need help identifying resistor

https://snescentral.com/pcbboards.php?chip=SHVC-1A3B-13

So this is the board from Final Fantasy Mystic quest. If anyone could help me identify the resistor next to D1 or D2, it's the short one near the button battery. On my actual board, one of the leads is broken and even Chatgpt can't identify it because of it discoloration. Its basicially a single yellow or orange band.

thanks in advance.

u/StunningAttention898 — 15 hours ago

Board shifted during BGA repair

Entire backside under cpu socket was stripped when the board slid... didn't even realize until after I finished🤣

u/Ichigloo — 19 hours ago

So how is a knife soldering tip supposed to look like?

For my first few projects I used a very cheap Toolcraft soldering iron. Now I wanted to upgrade (and also free some space in my apartment) and bought an Alientek T90B. As I am currently only solder THT parts I looked online which of the tip options on AliExpress would be the best fit for this and it said KU tip.

When I first heated up and tinned this knife tip the solder only stuck to the front edge of it and the side faces turned dark black immediately like you can see in image 1.

I then asked Gemini (I know that probably wasn't the smartest move...) if this is what it should look like and it said "No not at all! The sides should also be tinned." And advised me to buy tip tinner.

I did and used it on the tip and now it looks like the second image. So not that black anymore but with a strange dot on it that won't take any solder. I then uploaded that image to Gemini and now it said the side faces should be black and only the front edge of the knife should hold solder.

Obviously now I'm super confused. Also I couldn't find any good images of how it should really look like. So I would really appreciate if someone could tell me which of the two versions (or a different third one 😃) is the correct look for these knife type tips.

u/onlyseriouscontent — 17 hours ago

First soldering station making weird noises and... sending voltage through the tip?

Got a new T12X Plus, my first soldering station actually, I've always been rocking a 2$ aliexpress iron with which I've destroyed my racing wheel when trying to replace a rj12 port. not fun.

It's making this weird ticking noise though and uh i noticed it lights up the LED, can anyone explain and should i be worried? I was only desoldering the LED's from my home server because they were too bright at night.

streamable.com
u/TokkenDev — 1 day ago

Looking to get my first soldering iron

Hi everybody, I’m looking to get my first soldering iron, any recommendations in the 50-100$ range? And any info/ materials I may need will be helpful as well

reddit.com
u/Ghostyyboyy21 — 23 hours ago

Cold solder joint

I cleaned the area with alcohol and applied flux, tinned the iron tip and set the solder to 350c. But for some reason always end up with cold solder joints.

What could be the reason??

u/Purple-Grape-8457 — 14 hours ago

First Time Removing a Stick Module

Figured you guys would appreciate a post that isn't "halp, I destroyed my dualsense" 😅

First photos show the aftermath, the last two – preparation steps, diluting factory solder

Photo 1, 2, 3: macro shots of removed stick module through-holes

Photo 4: most of factory-solder sucked out using a desoldering pump, before wicking and hot-air

Photo 5: diluting factory solder with lower melting point solder

u/SeriousParty4293 — 1 day ago
▲ 290 r/soldering

First time using hot air for soldering.

Hey!
This is my first time using hot air and this Tomlov DM9 digital scope. I used the AIFEN-868D at 370°C and low-medium airflow. I tried soldering, desoldering and resoldering SOP14 on a practice board. I used some Sn99Ag0.3Cu0.7 Solder paste. Do you have any tips to avoid forming those clumps of solder while still having enough for each pin ? Thanks.

u/PastaLaPate — 1 day ago
▲ 2 r/soldering+1 crossposts

Desoldering Sega Mega CD BIOS chip... impossible with the ground plane!!!

Hi,

I am having real issues trying to desolder the bios chip on this model 1 sega mega cd pcb.... No matter what i try I cant get some of the holes to clear and are super stubborn... especially this last middle pin no matter what I try! I know this board has a thick ground plane but wow.

My desoldering iron is set to 480c, ive tried loads of flux, fresh leaded solder, desolder wick, using hot air etc its just sucking up all the heat and doesnt melt and wont clear.. and its now making me quite frustrated and angry!

How in the hell can I shift this bastard? I dont know how the board isnt actually taking more damage.

Do I need to upgrade my desoldering station?

Oh soldering gods help me!

https://preview.redd.it/v7ij1irmnabh1.png?width=953&format=png&auto=webp&s=f988e60156c688fdc5dffd5e7168ce3bcb360768

https://preview.redd.it/p4n171snnabh1.png?width=953&format=png&auto=webp&s=3a42ae9cbf78d442d8ee323fd868086765ba74e6

reddit.com
u/djflex81 — 24 hours ago