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Questions tagged [wire]

A length of conductive material used as a conductor of electricity.

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3answers
169 views

Transmit 7MHz analog signal from board to board

I want to transmit real passband analog single ended signal with bandwidth, 0 to 7.3MHz, from board to other board. distance from these board will not be more than 15cm. what's the best choice for ...
2
votes
1answer
51 views

DHT22 bad readings on long rj45 cable

Duplicate of https://raspberrypi.stackexchange.com/questions/91781/dht22-bad-readings-on-long-cable, I figured there is chances people here have a solution for me. Hi, I'm preparing a setup with a ...
0
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1answer
44 views

How does distance between parallel batteries affect voltage drop/required wire thickness?

I'm looking to wire up an off-grid system. What I'm stuck on is battery placement. The likelihood is my batteries will need to be quite far apart (almost 2 metres). My question is how does this ...
-3
votes
1answer
57 views

How can I connect these two wires? [closed]

I wanted to tinker with the microcontroller of the headphones so I cut the solder between these two wires, to stop the power supply. Now when I connect the black wire (power ground) lead to the ...
3
votes
2answers
145 views

What is the mechanism that causes two conductors to “stick together” when a current is passed?

If the positive and negative terminals of certain DC supplies are brought together under certain conditions, the wires will "stick together" with a slight force, feeling almost like they are ...
29
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9answers
11k views

Does wire color matter in electronics?

I'm fairly new to electronics here. But I can't seem to find any clear answer anywhere on the internet. Are wires special depending on their color? Or they have all the same purpose with just colors ...
5
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2answers
1k views

How to solder Christmas lights insulated wire?

I want to fix Christmas lights like these, whose wires got cut near the batteries. The LEDs near the batteries still work. I tried touching the wires from the two parts and I was surprised that the ...
0
votes
1answer
156 views

Beginner Question - Solder won't stick to a certain wire

I am trying to tin some wires as they won't stick to the IC pins that I'm soldering them to. The problem I am having is that the solder won't stick to the wire. My iron is fine as can solder other ...
1
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1answer
56 views

identify this connector - faston housing

need MFG of this connector. It is not tyco event though there are tyco fastons installed (confirmed by Tyco). 2 position faston housing. tab locks are on facing outwards. no markings on connector ...
0
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1answer
41 views

Reducing voltage for increased current through wire

I am wondering, if I reduce the voltage going through a specific sized wire, can I therefore increase the current? I am creating a series-parallel battery bank and it will output 7.4 volts at 75 amp ...
1
vote
1answer
28 views

What types of wire should I use to pull out from a Test Point while using Cheap Logic Analyser or Oscilloscope?

The only purpose to ask this question is I use single/multi-core thin wires that snap of in few days. I don't want that. Is there something that doesn't break? Or some other tricks/connectors or ...
1
vote
0answers
59 views

Wire connector with hole only large enough for the conductor and not the insulation jacket

I am trying to find a connector for a PCB that has an aperture sized to allow only the conductor to pass through and not the insulation jacket. I found a drawing here, see part B of drawing below ...
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1answer
47 views

Choice of wire diameter for doll's house?

I'm constructing a 1:12 scale doll's house and I'd like to use enamelled wire run within the walls for lighting. Each room would have its own circuit controlled through a switch and then to a common ...
0
votes
4answers
44 views

Wire to board connector for Test Jig

What's the best way to quickly connect/disconnect ~22 AWG wires to a test jig pcb? I would like to use a spring loaded connector that can easily release the wire after I'm done testing. Currently have ...
0
votes
1answer
58 views

How to prevent noninsulated wires close together during manual wiring a PCB?

Actually I have two problems, but this one is most annoying: I have like 10 wires I want to solder to the pins of a pin header (2.54 mm distance apart). Initially I kept like 5 mm of the end of each ...
0
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1answer
37 views

Current in a single terminal voltage source?

I know there can't be voltage without current, but how can I calculate the current in a wire if I only have the voltage and there is supposed to be no resistance?
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1answer
27 views

3.5mm, 4 conductor, in-line, plug

I am struggling to find pictures of the plug I bought to figure out where to connect speaker wire to. It is a TRRS 3.5mm plug ...
-2
votes
1answer
52 views

What wire gauge for use for JST-XH connectors with and without insulation?

I bought a variety kit of JST-XH connectors on ebay: The auction says: Wire Range: AWG 32-24 Insulation O.D.: 1.00mm (Max) But Wikipedia says that this connector supports AWG 30-22 and does ...
0
votes
2answers
67 views

Is it possible to hand crimp a 1mm pitch JST SH connector without a machine?

This is an offshoot of another question of mine on identifying a particular connector. When I was talking with sales representative from DigiKey they was mentioned that these crimps are done by ...
1
vote
2answers
76 views

Is it possible to wire a regular power supply cord to a sewing machine motor so I can use it for a Halloween prop? [closed]

If it is possible to wire a regular cord (power supply) to a sewing machine motor (with a motor speed controller), what volt/amp supply do I need to use?
0
votes
0answers
45 views

AT89S52 microcontroller only starts when extra 22uF capacitor touches board

I made simple code for the microcontroller that prints a simple message on the LCD once the microcontroller starts. I arranged my board so that the pull-up resistors and reset resistor (100K) and ...
2
votes
2answers
76 views

What wire to buy to extend the legs of SMD components?

I am attaching some neopixels to an art project. Rather than buy the breadboard style neopixel which is 4x as expensive, I am buying the SMD style and just soldering legs on. This worked well for a ...
0
votes
1answer
114 views

100V “rated” wire on 220V supply [closed]

I am genuinely sorry for posting such a basic, basic, basic question. Moving to Thailand (220V) from Japan (100V). You cannot buy an extension cord in Thailand that is flush to the wall. Here in ...
0
votes
2answers
49 views

Why does a End-Of-Line Voltage Drop Calc yield a different result than a Point-To-Point Calculation?

I can't grasp the concept on why these two different voltage drop calculations yield different results. They should both arrive at the same answer. In our intro EE classes when we were doing any ...
2
votes
2answers
78 views

Modeling a long single wire in a circuit?

I'm currently trying to make a model (equivalent circuit) of a long single wire with a resistor and inductor in series. Is this a proper way to do it? What I have done: Calculating the resistance ...
2
votes
2answers
184 views

Should I solder multiple wires together, or is there a better way?

I need to connect 10 thin single-core wires to each other permanently. They will carry at most 1A at 5V in total (100mA each). Can I just solder them together in a lump with shrink wrap tubing around? ...
0
votes
0answers
65 views

Flat ribbon cable voltage rating

So most flat ribbon cables are rated for 300V or less. I need a cable rated for 600VDC or more. First, if anyone know of any such cables that doesn't cost a fortune, please let me know. Anyway, I ...
0
votes
2answers
154 views

How to get rectangular angles for point to point wiring on a protoboard

I'm intending to solder several protoboards in a few weeks when I get all my materials. I was wondering what is the best way to keep the rectangular angles (so it looks similar to the picture below, ...
6
votes
2answers
920 views

What are these wires on single-sided PCBs? [duplicate]

I have a few questions about this PCB, namely the wires across the visible side: I am new to electronics. Would these wires be considered a "trace", "jump", a "via", or something else entirely? How ...
-1
votes
2answers
66 views

How to have USB act as a programmable power source? [closed]

I am interested in making a USB device that on 1 end, is a male usb that plugs into a PC like windows. On the other end is something that has a positive and negative terminal (or wire end). I want to ...
1
vote
2answers
82 views

What is this kind of “Multiplexer” called?

First of all I am new to electronics so i might use wrong terms. What is this electronic component called or is it even a thing (Can it be bought)? I have 10 input wires/channels for example. Only ...
2
votes
2answers
117 views

Questions about prototyping a DMX Splitter

Original schematics I want to make the following DMX Splitter: Credits by J. Mack, see Full article: DMX Splitter Changes Changes made by me (with help of Maple, Transistor and many others, thanks ...
3
votes
2answers
125 views

Type of wire for high voltage applications

What kind of wire is most suitable for HV low-current applications, where the allowed maximum is 25 kV and 5 W? By type of wire I mean core and type of insulation. As far as I can guess, even if the ...
0
votes
5answers
138 views

How hot should wires get?

I am using 10 AWG wire to power a BLDC motor, and these wires can get quite hot. When an IC is intended for high power uses, it is common practice to put a heat sink on it, but what about for wires? ...
0
votes
1answer
62 views

How to read wire wrap labels?

This image is an example of a wire wrap label that lists multiple AWG numbers. What does it mean? How could it be anything but a single specific gauge?
3
votes
2answers
347 views

How to calculate voltage drop across multiple wire gauges?

This seems like a googleable question, but I simply cannot come across anything. I'm working on a 12v system (aluminum boat), trying to supply power to a motor 12ft away from the circuit breaker. ...
0
votes
0answers
84 views

Fast driving long cable

I'm trying to send digital data over 50 meter wire (0V, 36V) using 5V logic (atmega). Signal frequency will be around 8kHz, would be nice if it would work with frequency up to 16kHz. Whole connection ...
4
votes
4answers
924 views

Choosing proper wire gauge

I have a machine (a machine with seven three-phase motors) with this information on its nameplate: 3 Phases 400 V, 50 Hz 100 A, 40 kW I am wondering: Is 100 A for all three phases ...
-1
votes
1answer
63 views

Replacing standard PVC wires with silicone wires

So I got my hands on a piece of silicone wire and I love that it's so flexible and puffy. And seems lighter too. Would it be a good idea to replace standard PVC cables from various small devices that ...
0
votes
7answers
124 views

How to strip pieces of insulation in a wire?

I would like to strip some insulation from a wire (like shown in the image below, the green area should be only the metal inside, no insulation). I was wondering how I could possibly do this. Cutting ...
0
votes
2answers
77 views

wire crimper sizes: mm2 vs AWG

Electrical wire crimpers available on Amazon Canada tend to list die sizes in mm2. This one cross-lists them in AWG, but there are some discrepancies between these sizes and the mm2 equivalent of ...
0
votes
1answer
49 views

Longest Usable Wires for Low Voltage DC

I have a question that I am curious about. I am designing an IoT device from my microcontroller. My question is how far can jumper wire (standard solid-core copper wire) go before it loses significant ...
1
vote
1answer
70 views

Insulating from static electricity

I am happy to announce that my pocket extra-strong static electricity generator project is now complete and works well. However there is one problem, I am often getting zapped severely (to the extent ...
0
votes
1answer
71 views

Why does having magnetic material in the middle of a stator help generate a current?

It seems unintuitive to me why putting a stationary hunk or iron or neodynium in the middle of a copper coil generator would increase its conductivity, because the metal could act as its own ...
2
votes
3answers
317 views

Wire wrapping - how to attach a breakout board without soldering headers?

I intend to use wire wrapping for a project involving an Arduino, and a Time of Flight sensor (https://learn.adafruit.com/adafruit-vl6180x-time-of-flight-micro-lidar-distance-sensor-breakout/overview)....
12
votes
7answers
5k views

What is a reasonable way to connect small wires?

These wires will carry up to 1.5A at 5V outdoors in clear weather. Would it be reasonable to connect them by simply taping them together with electrical tape? I'm new to electronics outside of ...
0
votes
2answers
72 views

How can I remove this (With picture…wire clip?)?

I'm not very familiar with a lot of electronics but I was told that this is a wire clip (white 'clip' holding the black and brown wire). I want to test the black and brown wires and removing the clip ...
0
votes
1answer
69 views

Why does this 75C battery only have a 12 gauge wire on it?

Example battery: https://www.amazon.com/Lectron-Pro-7-4V-7600mAh-Battery/dp/B01AAVM1MS I see many different RC batteries that are have very High "C" ratings but all of them use connectors rated for ...
2
votes
1answer
45 views

Capacitance among N conductors

I would like to have a rough estimate of the capacitance per unit length of a system composed by N parallel identical straight wires. I tried to sketch the capacitance network but I'm able to solve it ...
1
vote
0answers
98 views

3 bare wire in USB-C

I bought a USB-C to USB-A cable from china. One plug did not last long and I decided to use it in one of my projects. The problem I ran into is that I could not find the ground wire. The foil was ...