All Questions
66
questions
1
vote
1
answer
76
views
Choosing a strong/flexible wire for Piezo bender
I am using AB4113B
The issue: Due to vibrations wire soldered on the Piezo is breaking.
The setup: Piezo (metal end) soldered on a PCB directly, and wire is soldered on ceramic part to a PCB pad close ...
- 31
3
votes
2
answers
804
views
Where is the "flux in core" inside soldering wire? How does it change the soldering wire vs the pure element?
I was looking into soldering wires. I found out that even when soldering wires are, for example 60% Tin and 40% lead, the wires contain 2-5% flux. Even "pure tin" soldering wire contains 2-5%...
- 493
1
vote
2
answers
115
views
How to resolder the wires to these two switches?
These two stuffed animals no longer light up. I opened them both up and found that one of the wires to each of their on/off button switches has broken off entirely. All other parts seem to be intact. ...
- 13
1
vote
2
answers
451
views
Is this a cold solder joint and do LEDs dim if it is a cold solder?
Are the solders in blue cold solders or something else?
They are connected to LEDs and they are glowing dim now, but they used to glow bright when their wires were soldered properly.
8
votes
4
answers
6k
views
Best way to connect wires to PCB
I have been using mounting blocks to connect wires (typically coming from sensors/supply battery) to my PCB.
The problem is, these do not seem to be robust. The wire often gets out of the block, ...
- 161
0
votes
1
answer
725
views
How to solder power adapter wires directly on PCB?
I’m trying to fix a Dremel that has a broken power adapter jack. I think the best way to repair it would be to solder the power adapter wires directly on the PCB of the Dremel.
There are still 2 wires ...
- 103
0
votes
2
answers
151
views
Is there a wire splice that almost looks and behaves like an uncut wire?
Let's say I have some stranded wire that was cut in half and I want to splice the ends back together. Easily done with some solder and a heat shrink tube, which will make a good electrical connection ...
0
votes
4
answers
2k
views
Best practices for soldering a larger wire to a smaller connector/terminal?
This is for a 24V 6.25A power supply. The power supply brick will feed into the connector then power a prototype device.
What are the conventions or best practices to solder a wire to a much smaller ...
- 47
0
votes
2
answers
197
views
How do I fray/twist small wire reliably for soldering?
I accidentally severed a lcd monitor cable, and am not sure how to fray/twist them together reliably in order to solder it back? It's difficult to see all the strands, and not miss any, ime. Also, ...
0
votes
1
answer
138
views
Connect 2mm copper wires electrically for 36kHz
I want to build a indoor non-moving Faraday cage against 36kHz electric fields with a 2mm diameter copper wire.
I will have several T-junctions where there is a running wire and an end of a wire comes ...
- 123
0
votes
0
answers
108
views
Which is more robust against temperature cycles, solder or wire wrap?
When connecting a bunch of components in something that will be subject to repeated heating and cooling, are soldered joints likely to be more or less robust than wire wrap?
Intuitively, it feels like ...
- 563
0
votes
2
answers
1k
views
Just chopped two USB cables,but one of them looks unusual
I just chopped two USB cables but one of them has three white cables and one grey. The other wire has normal colouring of:-Black, Green, White, Red
First wire:
White
White(has single orangestrand)
...
0
votes
3
answers
3k
views
Can I use 18AWG wire instead of 22AWG when doing guitar pedal modifications?
I'm planning on doing some modifications to my Dunlop GCB95 Cry Baby wah pedal. As far as I can tell, the hookup wire in the pedal is 22AWG (it's difficult to read what's printed on the side). The ...
- 123
1
vote
4
answers
767
views
Fine wire for breakout board soldering that won't break
I've been using silicone sheathed stainless steel wire (30 awg) with a 1.27mm breakout board. The wires cannot be secured (it's tight in the thing I'm building), and they easily break off at the point ...
Sam
0
votes
2
answers
1k
views
How to solder speaker wires back to pcb (Switch)
I have a Nintendo switch lite with the connector for the speaker broken off. I am looking for the best way to fix this. Is it possible to solder directly to the motherboard? I am just looking to ...
