Questions tagged [wiring]
How wires connect to terminals and to each other; coloring and organization schemes; appropriate wire selection and installation techniques
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Understand interphone 4+N wiring and arrow symbol
Could anybody help me understand the attached interphone 4+N wiring? specially the arrow symbol crossing a two segments right angle, what it means, what is it connecting?
I have an issue with an ...
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Doubled-up LED lamp wiring found [closed]
Can someone explain what kind of LED lamp this is and why it takes two live wires and two neutral wires? I am based in the US. I can’t find this anywhere online. There's no real identifier seen on the ...
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How can I bundle extremely thin wires?
I have a small, sensitive pressure transducer with extremely thin wires. I frequently install and uninstall this transducer and route the wires through various small holes.
The overall length of the ...
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Which motor wire corresponds to which phase
I have a three phase motor having 3 wires: red, black and white. But the product datasheet does not tell us which colour wire corresponds to which phase.
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Graphical LCD With Atmega64
I have ATMEGA64 and LCM240128, The wiring is as below:
And my code is ( I'm using codevision):
...
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Ground to L1 in 3-phase have almost 0 V potential
I am in Peru and was helping check ground rod to line and neutral and see higher than one leg to ground voltage. This is at a plant with 3 phase power 220/440 volts. The local utility doesn’t provide ...
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RS485 wiring - longer or branches?
I read many articles about the RS485, but I still have some questions.
What is the better option? Assuming that the distance from one point to another is the same in both cases and the wire is made ...
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Help with relays and spot switches
I’m working on a shuttle bus and need help wiring the doors to open and close with the limit switches acting as stops (all the way open, and all the way closed). Stupid me cut out the old wiring, ...
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Identifying various parts on a DC motor from a hybrid vehicle ABS pump
I have a DC motor that I pulled off of an ABS pump from a hybrid vehicle.
I need to get this ABS to work because a new motor is way too costly. I think I could salvage it. I just need to solder and ...
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Tips for soldering some wires into a PCB
I need to solder some wires into a PCB, im dont really master soldering small pads or pins, so i need some help.
I have a question too, those pads are already tinned, soldered, so can i apply some ...
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Measuring voltage on an edison outlet in a hybrid vehicle
Forgive me for what may be a fairly basic question, but I'm a student and I just happened to run into this while doing a recent project.
I own a hybrid car, and in the cab is a 400w inverter with a ...
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Coaxial quality and frequency rating
Context
I aim to start playing with RF and the first thing I wish to do is some EMI tests.
I've been watching YouTube videos on the matter as you do, and I've seen plenty of people using SMA ...
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NTC wire in a replacement LI-ion battery has a different color [closed]
I am replacing a battery pack in a speaker. It is a Li-ion 18650 2600 mAh 7.4 V. I got a replacement from a shop in China claiming to be local. The replacement has an NTC and three wires just as the ...
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What is the best way to connect lots of wires together?
I need to power 84 12 VDC devices. Each pulls 0.5 A max. Instead of 84 wall warts, I'd like to create a DC bus with two (redundant) power supplies. What is the best way to connect together 84 small ...
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How to connect three wires in electronics (extra low voltage) without PCB or soldering
I need to share 24 V (max 2 A) coming into my electronics enclosure between two consumers (a fan and an electronic module). The external connector is D-sub, internally I use crimped contacts, so no ...
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Fixing an 0.5 mm pitch, 18-pin FPC tear
I accidentally tore my Lego EV3's LCD FPC (Flexible Printed Circuit) while opening it.
The FPC is a 1.0mm 18-pin-pitch FPC which near the end is converted to a 0.5mm one.
I found this post in the ...
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How to connecting two ADXL345 (GY-291 modules) to one Arduino UNO R3 by using pin jumper?
I am having some trouble in connecting two independent ADXL345 (GY-291 modules) to my one Arduino UNO R3. Before this I tried using one ADXL345 and it works perfectly, but in my project I need to use ...
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Stator wiring in Robin RGD351 not matching manual
I am currently trying to figure out why a Robin RGD351 single phase, self exciting has stopped producing power. I have gotten the manual (https://www.manualslib.com/manual/988411/Robin-Rgd351.html) ...
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What wire to use for about five 5 V 1 A continuous servo motors in parallel?
I am not particularly familiar with electronics and circuits in general although I do have some basic experience.
My concern is that to carry enough current for all five motors I would need at least 5 ...
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How to make sketch-like wiring diagram
I am wondering how to draw such connection diagram in sketch-like style as on belowe picture? I have designed some boards in KiCad and I would like to make wiring around my PCBs in style similar to ...
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How do I connect an Ethernet Jack to LAN8720
I'm looking for a way to correctly connect an RJ45 socket to a LAN8720 chip, but cannot seem to find much information in the datasheets. Here is the datasheet for the LAN8720.
And here is a data ...
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Pushbutton 120 V switch
Can I use this push button switch for a house lamp that runs on 120 V? If so, do I need a contactor or can I wire it direct?
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USB cable wiring inside the device
I'm designing a compact product consisting of several independent PCBs, which all should be permanently connected via the custom USB2.0 hub inside the device. The required USB cables should only be a ...
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How to properly connect oscillator circuit to amplifier?
edit v2:
Schematics:
The ic on the left is a 40106, and the thing inside is a Schmitt trigger with inverting output.
In 'edit v1' below you can see a wiring diagram.
edit v1:
Rough schematics and ...
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Can I run a fuse block on different power supplies connected to the same terminals, depending on mobile vs. AC power availability?
I am wiring a trailer lighting system and I want to be able to run off AC power when parked at home, but run on a AGM deep cycle battery when AC power is not available. I've attached a drawing of the ...
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NEC Wire Size for Neutral Question
I'm sorry if this is not the right place to ask this question. In my shop, I have a solid state phase converter that is creating three phase power for some of my machinery. It's fed by two 150 amp ...
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How to protect signal routed via patch wire against EMI / RFI / other signals?
I have a delicate problem which I'm not sure how to solve properly due to my limited electronics education: I have an old computer system from the 90s which contains an additional module replacing its ...
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How to directly wire a solar panel through the wall socket without a battery? [closed]
I apologize for this the multi-ponged line of questions. I am thinking, I can wire the solar panel to a pure sine wave inverter then use a extension cord with 2 male plugs, one going to the inverter ...
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How to read this schematic correctly
This schematic will be used to wire a potentiometer and momentary on switch to a welder. The schematic states that there is a cable shield grounded to the connector. Am I correct to assume that this ...
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Rectangle Symbol in Electrical Diagram
I am checking a Nissan forklift wiring diagram and don't know what the rectangles with one and two diagonals are. I would appreciate any idea about this.
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Can I run my own cable wires? [closed]
I live down a side road that is not supported by my local cable company (they used to, but not enough people used the service to justify the maintenance cost), meaning that I cannot get fast, stable ...
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What is the purpose of the capacitors in this motor controller? Why is one smaller than the other?
I recently purchased a few single phase 230V motorised hoists and I want to understand their wiring and how they work. I can more or less follow what's going on, I just don't fully understand why ...
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Hurst PAS, PBS Geared DC Step Motor
I am currently trying to determine whether a Hurst PAS, PBS Geared DC stepper motor is functioning correctly. While researching on the Hurst website, I came across a page that provides information ...
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Can i safely use RJ11 and 24 guage wiring for hobby leds?
I would like to supply power to a bunch of LEDs (a dozen or so) on a model train layout. I would like each light to be modular, so I could easily unplug a building and replace it, etc. The LEDs are ...
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Wiring a dual coloured LED by two different sources
I have a 12V dual colour LED strip that I am trying to power from two different power sources on a motorcycle:
Source 1: Daytime running light (Always on)
This is constantly ON and always on when the ...
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How can I wire a motor to operate in forward and reverse using a DPDT switch?
I have a toy tractor I'm trying to rewire. There's a motor and battery (so far so good — nothing complicated here). The problem arises with the two components I've included in this entry. The plunger ...
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Help with (very) odd single phase motor wiring
I think this is my first post here.
I have little knowledge on AC motors, and this machine I am servicing (an old Balltrap/Clay target shooting machine) left me baffled. The below diagram is a ...
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How can I block low voltages (around 40 mV) but allow higher voltages? [closed]
So, I'm wiring up some LEDs on a vehicle and am running into an issue where a wire that is supposed to be unpowered when switched off is putting out a constant 0.04 Volts. Is there a way to create a &...
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Can I run control and line voltage together in my circumstance?
I have one vessel which holds 1.5 gallons of water. It has a stainless steel (SS) bottom with a 500w 120VAC @ 4.17a silicone heat pad adhered to the exterior SS bottom to heat the water. Also, in the ...
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Trying to make a 4100mAh, 47.4Wh battery for handheld PC
Stumbled across this site when searching for some info.. I'm hoping that one of you kind people will be able to help me.
I have an Aya Neo Pro handheld gaming PC, and the battery has died. The problem ...
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Using clothesline steel core wire rope for AC and DC
As I am currently in a war zone, I don't have many options for cabling.
I found this clothesline (steel core plastic wire rope) that appears to be one mm of diameter (steel core diameter.) 13 meters ...
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How to describe, in a schematic, grounding to the base/body of a potentiometer?
I am working on updating a guitar project I did many, many years ago. I mean, I could just do a 'symbolic' drawing of the wiring itself, but since I have more experience now, for my records I'd just ...
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Connecting mini USB VCC and GND to a power supply, and D+/D- to a SBC's USB headers
I have USB powered device (rtl-sdr dongle) with a mini-USB port, that I want to connect a single board computer (BalenaFin). The SBC has regular USB ports and a 4 pins USB 2.0 headers on it:
A ...
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Trouble hand crafting a USB "bridge"
I am trying to pass a USB connection through a USB-controlled relay bank so that my computer can switch on and off whatever device is plugged in at the other end, past the relay bank.
At the moment, I ...
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Switch wiring method
How should I wire this type of switch? Is there a specific connector I should use to connect the wires to the switch, or can I simply ignore the screws and solder the wires directly to the switch's ...
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How to wire a 6-pin relay?
I have the relay described in this datasheet. I have the z-type. It has 6 pins on the bottom.
I want to control this relay with an Arduino device and all it has to do is work like a switch.
simulate ...
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DPDT toggle AND WiFi relay - how do I do it?
As the title states I'm trying to wire BOTH a DPDT toggle switch (on off on) and a WiFi relay.
Situation is as follows: I have a motorized ball valve which operates via a DPDT switch. There are five ...
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Wiring a 2-pin K1 to a 3.5 mm jack with a mic and PTT?
Is there a possibility to wire a 2-pin K1 headset connector to a 3.5 mm jack with a mic and using an external button for PTT in order to close the PTT circuit? If so, please help me, I have been ...
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How to calculate the wire gauge windings when creating my-own PM BLDC Motor, 12N14P, Outrunner motor?
I am using BLDC Stator and BLDC controller at 48V @ 27A.
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How can I power a PC-fan with mains power? [closed]
I am making a project where I want to integrate an old fan I have laying around. I want to plug it into a socket and start.
In my first try connected the red and black from the converter with the ...
