Questions tagged [diagram]

Plan, sketch, drawing, graph or outline designed to demonstrate or explain how something works.

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15 views

Motor Sizing and Wiring Diagram Help? My motor has a wiring diagram but no ID tag

Here is a link to an Imgur album of my motor and its wiring diagram I have a motor that I'd like to wire. My two questions are, how do I determine its operating parameters, and how do I use its ...
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0answers
28 views

Please Help whit ALPS board

I have a board of the mark ALPS (ELECTRIC) in the board is write ANV971045C and ANV971046E. the board has a display with 21 connectors. My problem is identifying each pin correctly without fear of ...
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2answers
211 views

Ideal Voltage/Current Source Circuit Analysis

I am trying to understand what it going on in this circuit diagram and how to go about solving this problem. I am told to find Vx given that the current in the central wire is zero. Does this mean ...
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0answers
17 views

How to analyze amplifiers using signal flow diagram

I have the following two basic amplifier configurations and do not understand how to use the flow diagrams to obtain the parameters in the flow diagram and hence the transfer function. I understand ...
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0answers
39 views

Show basic circuit diagrams in code

Suppose I have the following circuit image of an example XORD gate using AND, OR, and NOT gates: Are there any open source tools that are capable of converting this into text characters, so that I ...
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2answers
8k views

How many flip-flops are required for the implementation of this Mealy diagram?

I'm trying to create a circuit diagram that corresponds to the Mealy diagram I created for the following problem, but I'm not sure how many flip-flops I should use. Problem: A data stream receives ...
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0answers
32 views

how to check if there is a electrical feed back by meter [closed]

In low voltage circuitry how to check feedback signal? especially with a multimeter? while working in low voltage circuitry
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1answer
162 views

A beginner that could use a few tips on wiring my first circuit involving relays

I am in no way experienced or knowledgeable with circuits or electronics passed installing my own car subwoofers and amps, or swapping out pickups on a guitar which means I only basically know how to ...
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1answer
339 views

Wiring Nest Thermostat E Heatlink in place of original Thermostat

I have a Nest Thermostat E, which requires me to replace my thermostat with the Nest Heatlink. Google provides step by step instructions on how to do this using a series of questions and answers. ...
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3answers
6k views

Program to draw pinouts (and easily visualize pin's multiplexed functions)

Documenting an electronics project is also an important task if it will be used by someone else other than the hardware designer(s). Right now I need to draw a diagram for a breakout board in order to ...
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2answers
73 views

Sequence Detector forced to wait a specific number of bits

So I have this little problem, where I am supposed to build a sequence detector which is forced to wait a specific number of bits before going into the reset state. It's kind of like pin codes work. ...
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3answers
12k views

Why is U used for ICs on circuit diagrams?

On circuit diagrams, C stands for Capacitor, R for Resistor, L for inductor (for Lenz) as explained here, but why is U used for ICs on circuit diagrams?
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1answer
72 views

Which side of this board is the capacitor polarity indicating?

In this capacitor slot, which side is the negative and which is the positive? I've never seen this symbol before. I'm assuming the bottom is positive but want to make sure. Thanks!
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1answer
33k views

Wiring diagram for USB-C to USB-A cable?

I make USB cables (USB-A to Mini or Micro primarily), but don't have any experience with USB-C. I would like to create a cable that has a USB-A (2.0) connector on one end, and a USB-C connector on the ...
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1answer
70 views

In need of wiring diagram [closed]

Could someone link me a simulated circuit wiring diagram for the following circuit: DPDT switch (6 terminals), 2 limit switches,battery pack, motor? I don't have any wiring diagram software.
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0answers
51 views

Wiring a Mosfet for Pulses

BACKGROUND: For sometime now I've been in need of a pulsed power supply that can put out 200 V pulses with a minimum pulse width of 400 nS. After researching effective switching devices, I decided ...
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1answer
54 views

Given desired overshoot graphically find k from the root locus (Scilab)

I want to find \$k_1\$ that leads to the feedbakc system having poles in the 53º line (to have overshoot \$\leq 10\%\$). From the root locus, the poles move along the vertical asymptote centered on -1....
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3answers
4k views

Proteus Circuit LED does not work

I am trying to build a double dice circuit. I tried one example I found from the web. But, I have problems with leds, and I am not very familiar with proteus. Could you please tell me why my LEDs are ...
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1answer
171 views

Help on (another) triphasic exercise

Second this week... But was it easy I wouldn't be here... A problem asked me to identify the diagrams from this picture: The following are the correct answers, acording to the test developers. a. ...
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1answer
55 views

transfer function discrete

If f[n] is the input and g[n] is the output, how can I determine the transfer function of the diagram?
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1answer
331 views

Fan speed control with resistor

Electrician from Australia here. Just having an issue with a heater fan in a bathroom for a client. According to the diagram I have posted, I can wire a second fan up to this and it should all work. ...
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1answer
2k views

What does “NS” indicate as a capacitor value?

I'm looking at an application note, and it contains the following in the circuit diagram: What does the NS in the diagram represent? Or is this just a typo on the ...
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0answers
48 views

Design of a 5kW residential Solar system with battery- need help with electrcial diagram

A design project asks for a design proposal of 5kW solar panel with inverter and battery system for a residential house. I have completed the energy estimation, panel size, orientation, and selected ...
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1answer
74 views

What's wrong with my timing diagram?

I have made this simple timing diagram that presents the triggering way of D flip flop. The flip flop is triggered by clock's rising edges. I am convinced that the diagram is correct signal-wise. ...
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1answer
265 views

Powered USB hub

I would like to know if the bellow montage is going to work. I will try to convert a cheap USB hub for a raspberry pi zero.
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1answer
52 views

state space representation of system with a disturbance

my question is how you can convert the bloc diagram which have a disturbance input to a state space representation and how you can calculate the controllability matrix then if you can give me any ...
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0answers
883 views

Question about vending machine circuit

I have this assignment I finished for a vending machine circuit. Just as some background, there are three inputs for nickels, dimes and a return option. The return option is for only one nickel/dime ...
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2answers
68 views

4 Channel NOT and AND Gate Symbols

I am designing an ALU for my computer architecture class. The rubric states that we need to simplify each logical part to make it as clear as possible. My group condensed the 4 NOT gates and 4 AND ...
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2answers
70 views

Interpret the arrows in a circuit diagram of an OP-amp

I have the following diagram of an ideal OP and $$ y=-Ae \tag 1 $$ simulate this circuit – Schematic created using CircuitLab I'm not used of using arrows for voltages, so I don't grasp the ...
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2answers
114 views

What does this diamond, arrow and tail symbol means in schematic diagram

What does these symbols in the electric schematic means? I believe the arrow head indicates the direction of flow of current from left device to right device. What is the tail of that arrow symbol ...
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2answers
588 views

What does the triangle look like in this diagram?

Using my intuition, I would assume the triangle in this simple circuit to be an inverter, but does that look correct? What is this symbol?
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1answer
43 views

Structure function solving

I have following block diagram, I am having trouble constructing structure function marks for this block diagram. What concerns me is that OR state from State 5 to State 2 and State 6. I thought this ...
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2answers
59 views

Circuit Diagrams - 2 Input/Output Current Source

I have encountered a situation where I need to draw 1 controlled current source on a circuit diagram with 2 inputs and 2 outputs but I'm not sure what is the proper way to convey this idea. I can't ...
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1answer
4k views

Ladder diagram, variation of Latch and Lock

I have a problem for expanding this particular ladder diagram. The cylinder is a double acting pneumatic cylinder type. START -> Start button A+ and B+ -> Cylinder moving forward A- and B- -> ...
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1answer
81 views

How to understand these 8086 bus cycle timing diagrams

Please see the two diagrams below. In the first diagram, each state (T1, T2, ...) seems to begin with the clock low. In the second diagram - with the clock high. If we look at the DR/R' signal - in ...
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2answers
60 views

Circuit analysis - determine the voltage and current on branches

I am working on a cardiovascular model that uses circuit diagram as an approximation and this is the circuit of a bifurcation but I got troubles determining the voltage on the capacitors and the ...
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2answers
136 views

Diagram shows four wires coming from my two wire power supply, what am I missing?

Completely new to electronics and I’m trying to follow a blog post to wire up a linear actuator to a dpdt relay and photocell. I’m stuck, because the diagram I’m following is showing a total of 4 ...
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1answer
52 views

Multiple power supplies/sources for LEDs, how/where to ground with data line

I have hit a point in my LED project where I am about to introduce a second power supply (5V 60A Source - Amazon Link Here) and I would like to ensure a common ground. Think of the project as one ...
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8answers
8k views

This LM317 diagram doesn't make any sense to me

So this is the basic wiring for an LM317 as a voltage regulator, and very little of it makes sense to me. First off, if one pin is for my adjustment, why do I need \$R_1\$? \$R_2\$ will give me just ...
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5answers
33k views

Why is the capacitor short-circuited in this example?

Please forgive me if anything wrong in my question. I am a school student. I have following circuit diagram: simulate this circuit – Schematic created using CircuitLab There are three ...
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0answers
31 views

BJT - How does an applied voltage at BE and BC affect the band diagram?

Let's say we have an energy band diagram of a BJT at equilibrium. Then, we apply -0.7V to BE, while 0.7V is applied to BC. How will these voltages affect the band diagram? I would appreciate it if ...
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1answer
121 views

Arduino Vehicle Remote Start

I am really intrigued in the idea of designing a remote start using an Arduino and Bluetooth connectivity. I plan to wire a relay to the starter switch of a motorbike. I have chosen to do it this way ...
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2answers
138 views

What is the triangle components in this diagram?

I am reading through datasheet of a voltage translator for I2C (FXMA2102) and I cannot understand the triangle components in the block diagram: Are they diodes to make current flow in one direction? ...
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1answer
41 views

How can I draw the diagram using few decoders for this truth table?

For the truth table above, abc is the input and xyz is the output. I do know how to draw the diagram using a decoder in case of when I have only one output. How can I draw the diagram using a decoder ...
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1answer
68 views

What's the circuit diagram symbol for a variable reluctance sensor transducer?

I know I've seen the symbol before, it's something like a circle with an open triangle facing in the direction of current flow with a line through the middle. I'm specifically thinking of the ...
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1answer
89 views

Is there a standardised noise source symbol for circuit diagrams?

Does anyone know of any standard symbol for a noise source, for example of one wants to represent the Johnson-Nyquist noise, what is best to use?
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2answers
341 views

Butt splice electrical symbol

I'm making a detailed electrical diagram which needs to include splices. From researching on Google I couldn't find the conventional symbol for a butt splice, or even a splice, in an electrical ...
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1answer
230 views

SRAM-Logic Block Diagram

I am a beginner and I am trying to understand the block diagram of a Static RAM. I want to draw a "256x4 bit SRAM" block diagram. According to some information I collected from the internet I managed ...
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3answers
671 views

Raspberry Pi Super Capacitor On Battery Loss

I am looking to provide power to my raspberry Pi upon power loss from 5v power supply. It just needs to provide power long enough for the Pi to safely shutdown (with the setup I have, I am estimating ...
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1answer
363 views

Why are latches level triggered and flip flops edge triggered?

I know what it means to be edge or level triggered but considering the block diagram or logic diagram of inside of latches and flip flops I cannot see what inside them specifies this property of each, ...

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