How wires connect to terminals and to each other; coloring and organization schemes; appropriate wire selection and installation techniques

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0answers
8 views

Hooking up Efergy E2 classic? [on hold]

I have the Efergy E2 classic which includes 2 sensors to hook up to the live feed wires coming into the circuit breaker. This is the install video: ...
0
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1answer
36 views

How to wire Mean Well RT-65D power supply?

I'm not very familiar with electronics. Especially I have never wired a 230 V power supply manually. There is a Mean Well RT-65D power supply. I have a rubber connector with open wires blue, brown ...
0
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1answer
26 views

Connecting a surround system without jacks [closed]

I have recently bought a house which has already the sound cables passing through the walls. These are raw cables without any jack connectors. My question is, when you go to buy a 5.1 surround ...
0
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1answer
58 views

Splicing barrel jack shapes

TL;DR: How can I "splice" two different cords for different barrel jack sizes? I'm rather new to this sort of stuff, so bear with me here. I am attempting a project where I need to create a port on ...
0
votes
1answer
50 views

How to wire up a single-phase electric blower motor

I have an Electro ADDA C80M-2 0.75kW single-phase blower motor that I need to hook up, switched, to power a cyclonic dust separator that I've built. I thought it would be a piece of cake: pop off the ...
0
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2answers
95 views

How to determine bipolar stepper motor wiring (came from a 3.5 inch floppy drive)?

I have extracted a small stepper motor from a 3.5 inch floppy drive, that I intend to use with an Arduino or Raspberry Pi. The problem is: initially a thin ribbon cable was attached to it, with no ...
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6answers
1k views

Why is the chassis used as ground in automotive electrical circuits

Automotive electronics generally use the metal chassis as the negative ground connector for the DC circuits. Obviously this saves something on wiring. Is there an electrical reason for this approach? ...
2
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2answers
446 views

Do they make triangle-shaped headers?

I've been working with some PIR sensors from Panasonic, and I was wondering if there are any types of female headers/connectors that I could use to wire the three pins of the sensor without directly ...
2
votes
2answers
121 views

Reading corresponding pins from a circuit diagram

I am completely new to Arduino tinkering and am trying to make sense on how to wire a 8x8 LED matrix using the following diagram: This chart is supposed to correspond to this 8x8 LED, 12x12pin LED ...
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5answers
104 views

How do metal cases work with connectors & isolation?

I have troubles understanding how do metal cases behave in some cases. Case 1: I made passive attenuation box for amplifier(basically L-pad resistor), simple configuration: Amplifier => attenuation ...
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1answer
48 views

What will happen if i connect a bulb across 2 AC sources of different voltage [closed]

I was just trying to decode whats happening in my house wiring I have a Fault line indicator bulb for each phase,Sorry i dont know How its connected or anything ... Recently i installed Home ups And ...
0
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1answer
70 views

Adding diodes to easy driver stepper motor driver

I had an easy motor driver damaged by removing the motor while the drive was energized. I sent an email to Brian Shmalz to see if there was anything that could be done to protect the board in these ...
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1answer
43 views

Trigger Relay Only from one specific grounding path?

I have a car wireless door lock system I want to modify. The basic operation is that when the key fob's button is pressed, a light relay is triggered, to flash some of the car's lights, to indicate ...
0
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1answer
49 views

What is a good single conductor wire-to-wire connector?

I'm currently using 3-position JST connectors with two of the wires cut off, but this is unsatisfying. The 3 position JST is also bulkier than I'd like, and has lots of "barbs" and corners to catch on ...
0
votes
2answers
64 views

Running up to 40M (130Ft) of WS2801 IC LEDS

After many hours of searching the internet for information and gathering what I could, I have run into my final problem that I am having trouble finding an answer for. I have 40 Meters (130) Feet of ...
0
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2answers
113 views

Power supply for 144 LEDs in parallel?

I appreciate any help as I try to figure this lightbox project. I need to wire up to 144 3V (built-in resistor) LEDs from flickering tea lights (normally battery powered). Not sure how many to wire ...
1
vote
1answer
69 views

Current “jumps” from one wire to the other

I have cable with two 1.5mm wires in it. Why does my test light show voltage in both wires even though only one of them is connected to 220V AC grid. // Also there are old cables with metal jacket ...
-2
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2answers
142 views

wiring leds for car brake lights without throwing warning lights [closed]

Im working on led tail lights for my vehicle. the standard bulb is a 21w 12v bulb. what i need to try and figure out is whether or not i am able to recreate this same load using leds without a load ...
2
votes
3answers
516 views

Why is there a potential difference between neutral and ground (earth)?

I was surprised to find that bridging neutral and ground in a socket at home tripped the RCD. Measuring with a multimeter, there is indeed 0.1 V between them. If the RCD trips at 30mA that would mean ...
0
votes
1answer
28 views

How to test/connect the CAP-150 capacitive sensor

I am evaluating a few sensors for an application at work, and I'm having some troubles figuring out the correct way to connect/test this sensor: Gems Sensors' CAP-150. Datasheet here. I want to ...
0
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2answers
81 views

Wiring Harness Software

Is there any software or method out there that makes laying out a wiring harnesses easier? I can draw a wiring harness out in just about anything, but mapping all the wires, colors, lengths and ...
0
votes
2answers
90 views

How do you power 6 servos

I have 6 MG996 series servomotors. A single motor can be controlled by an Arduino board using a 5V power supply. Some specifications Running Current 500mA - 900mA @ 6V Stall Current 2.5A @ 6V ...
2
votes
1answer
79 views

Passing USB signal over short SATA cable and connector

I am working on a prototype device and I will have a daughter-board mounted at an odd angle in a custom enclosure. I need to get a USB signal, and a few extra GPIO type wires, over to the board. I ...
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4answers
100 views

Large Wires on a Perfboard

I am working on a project on Perfboard which involves controlling a motor that draws about 10A, and I am using 18AWG stranded wire to connect the MOSFET on board to the battery and motor which are off ...
0
votes
1answer
62 views

When routing power how is a safe current-carrying wire configuration determined with multiple wires?

I've been looking at a device/power-supply pair I was sent recently for a project. The device specs say it needs 24V and will draw 10A max. The power supply provides 24V @ 9A (14A peak). The power ...
2
votes
1answer
50 views

Taking power from two different feeds

Probably a silly question I know but I'm not all that good when it comes to wiring but at the same time don't want to blow myself, or my car up! I have a set of sidelights/ daytime lights that take a ...
4
votes
3answers
457 views

Extending LED length

Completely new to electronics, I've just begun to play with an Arduino. I was wondering, if I wanted to make an LED sculpture, what is the correct way to extend the legs of each LED so that they stand ...
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3answers
100 views

SPDT Relay with 8Pin

I needed a SPDT relay with 240Vac so I bought this relay from Maplin http://www.maplin.co.uk/p/15a240vac-spdt-miniature-relay-n07aw But I am heaving problem to wire this relay because it has 8 pins ...
0
votes
1answer
46 views

Sensor & power wire length & connection inquiry

I'm an experienced SW engineer, but a noob when it comes to .NETMF & hardware. I've started working on my first project (garage controller that will monitor & control the open state of the ...
0
votes
1answer
176 views

How can I power this LED Matrix?

I'm controlling a 16x32 LED matrix with an Arduino and have it wired correctly (I think) but I'm having trouble with the power. I tried to follow the instructions from Adafruit but was unsuccessful in ...
0
votes
0answers
73 views

3.5mm to 3.5mm female mount wiring

I am trying to make a detachable mic mod similar to this: Full Description I have done everything in the pictures but something in the wiring is wrong or I have the wrong cables eg: the mic ...
0
votes
0answers
38 views

Current Return Path for Plasma Experiment

I'm planning to use an old non-GFI neon transformer to produce plasma for some research I'm conducting. However, the neon transformer is center-tapped which complicates diagnostics (such as ground ...
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votes
1answer
82 views

Wiring 24v bulbs to plug into mains

I am trying to wire sets of around 10 24v incandescent bulbs and am hoping to be able to plug them directly into the mains. I am by no means an expert in this kind of thing, but I believe that wiring ...
0
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1answer
67 views

Wiring and grounding stepper motors

I'm following up on an earlier question I asked concerning a stepper motor failing on a custom made "H" type plotter (Stepper motor failing. Electrical interference?). I now have 18 AWG shielded cable ...
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3answers
82 views

Need assistance in identifying wire

I'm working on a LED project similar to the one in the picture, and I need to identify the black wire that the arrows are pointing to. What are those called? Here is a picture:
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vote
1answer
73 views

Looking for a particular solution to a wiring problem

I don't even know what such a part would be called, but here's my problem: I have a bunch of electrical equipment (sensors, relays, etc) on one side of a piece of stainless steel sheet metal. I have a ...
0
votes
2answers
106 views

Crimp terminal insulation of exposed leads

I'm dealing with an equipment which has a lot of internal wiring. The system is powered in 12V but the wires carry a good amount of current (in excess of 10A). I need to connect different units with ...
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2answers
155 views

How to complete circuit diagram?

I have limited knowledge on electrics and wanted to ask how I can complete this circuit, how would I go about wiring it up? Bulb should ONLY be ON when Input A is ON and Input B is OFF. Bulb should ...
0
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2answers
54 views

Help with wiring of stereo jack

Could someone point me in the right direction. What I'm doing here is I took the insides from a cheap Bluetooth speaker and I would like to rewire it to an headphone jack (male). I have the cable ...
1
vote
2answers
991 views

Wiring Arduino Mini Pro with CP2102 USB to TTL

I have an Arduino Mini Pro and a CP2102 USB to TTL module as in the image below: I couldn't find a suitable guide for the module I have. So, how should I wire them together?
1
vote
1answer
125 views

Is the DESIGN of an MPPT Solar charger SUPPORTING combination with regular battery charger on the LOAD side? [closed]

I just got my "LCD 30A MPPT Solar Panel regulator" for my caravan, but connecting it raised an issue. It looks like this: ...
-1
votes
1answer
57 views

Visaton speaker, how to wire up [closed]

I just got some Visaton speakers in the mail. But I'm not sure how to solder on the + and - wire. There are four solder blobs (as seen in the picture below). To which ones do I solder?
24
votes
3answers
2k views

What's a schematic (compared to other diagrams)?

What's the difference between a schematic, a block diagram, a wiring diagram and a PCB layout? Why do engineers want a schematic instead of a wiring diagram? Where does Fritzing fit into this?
0
votes
1answer
51 views

Slice of Pi wiring

I'm trying to wire a Ciseco Slice of Pi. I need to break out the 3v3, 5v and GND solder pads as I need several of each. There's no track between the pad and the holes I want to use. I could wire ...
1
vote
2answers
152 views

Daisy chain (parallel) of IR sensors

I've got 5 little Sharp IR sensors I need to wire to an Arduino. These are the sensors: https://www.sparkfun.com/products/242 Trouble is, I need to put the connections in a relatively small area. ...
0
votes
1answer
73 views

What would cause SRAM to have no errors when 5 of the bits are high?

We have a SRAM (8bit by 512k chip, 19bit address) connected to a XMOS micro-controller using a ribbon cable soldered on both sides. The xmos micro controller is a startKit and the sram chip is a ...
1
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1answer
131 views

Breadboard Wiring with Seven Segment Display

So I'm planning on building a skee ball machine and as I've been looking into it I've decided to use some seven segment displays from here: As I've looked into this more I know I need a breadboard ...
0
votes
1answer
69 views

How do I wire up this relay?

I'm making this circuit: I've bought an Omron G5LA-1 non-latching SPDT relay. It looks like this (from the datasheet): I'm struggling to figure out how I wire this up though. I believe I need to ...
2
votes
1answer
167 views

Photodiode Array Wiring

Sorry if this is a basic question. I would like to use photodiodes to precisely measure changes to light amplitude using an Arduino, similar to Figure 2 here: However, I would like to wire six ...
1
vote
1answer
199 views

Guitar pot wiring

I was about to wire my guitar using this official scheme and I can't seem to understand it properly. I get that the signal is going through the black wire to the volume pot, but how does it get (and ...