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

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0
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1answer
68 views

Drum machine circuit diagram

I'm having trouble understanding this circuit. Can someone help me get through it? I'm trying to understand what the signal is doing from start to end but keep running into electrical deadlocks.
4
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2answers
156 views

Diagram symbol I've never seen

So my buddy brought me his Kawasaki Ninja service manual and asked me what this symbol is - sort of looks like part of a diode with a box instead of a line and is half shaded. I've tried looking it up ...
3
votes
4answers
142 views

How to read this basic schematic?

I need to build a circuit where light is converted to sound. The light falls on a CDS cell and the current is passed through the NPN transistor to amplify it. I know this is a very simple ...
0
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0answers
53 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 ...
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2answers
72 views

Drawing a diagram of a one-bit adder [closed]

How can I draw a diagram of the one-bit adder (full, including the transfer) built with the smallest possible number of logic gates?
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2answers
142 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
78 views

Software to draw state diagrams and asm charts? [closed]

I would like to draw state diagrams and asm charts like these: Any recommendations? Are these done with Microsoft Visio?
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0answers
126 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 ...
0
votes
1answer
134 views

Output voltage diagram of a 3-input OR logic gate (using diodes)

Let's say we have a 3-input OR gate (using 3 diodes and a resistor) as follows: A hypothetical input voltages diagram is the following: I want to find the output voltage diagram (voltage Vo) that ...
0
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2answers
80 views

Timing Diagram question

Can anyone check my timing diagram for me? I have my exam tomorrow and just want to make sure I am understanding these correctly: Any feedback is appreciated. Thanks in advance
1
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1answer
106 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: ...
0
votes
1answer
189 views

Phasor Diagram with AC circuits

Suppose you take a 2*10^2 resistor and a 0.40 inductor and make a series circuit with a voltage source that has voltage amplitude 30 and an angular frequency of 2.5×10^2 . **Part F (The part that I ...
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3answers
114 views

What do the abbreviations “SPF” and “SPH” mean with respect to fuses? (Single line drawing for 480 V system.)

There are two lines connected between the transformer low voltage side and the 480 V bus, one with a fuse labeled "SPF" that connects to a GE power quality meter, another with a fuse labeled "SPH" ...
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1answer
33 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 ...
3
votes
2answers
403 views

How to create block diagrams efficiently?

TL;DR: Need good block diagram schematic drawing process. Table of Contents Topicality and Relevance Question Topicality and Relevance Topicality: John F. Wakerly, in his book Digital Design: ...
0
votes
1answer
69 views

AC to DC Filter Confirmation

Of the circuit I need to know the name of and what it is; my guess is, is it an AC to DC current converter? Is anyone able to confirm or deny? What does it act as when its all formed together? ...
1
vote
3answers
265 views

Forbidden S-R Latch Timing Diagram

How do you represent a forbidden state of an S-R Latch (Active High) in a timing diagram? Where S is 1 and R 1 is and C is 1.
0
votes
1answer
161 views

Sequential Circuit Diagram: D Flip-Flop

Sequential Circuit Diagram: D Flip-Flop Answer Key ...
4
votes
2answers
152 views

What is the sensor name and use and circuit diagram for Current TV will be used based on Body parts movement?

I want to know more about the Sensor which are used nowadays in the TV and Laptops we can access the functionality by moving our body parts. also used in Game play in Playstations, Laptops to change ...
3
votes
2answers
170 views

tsop348 infrared receiver

Why do they tell that • Burst length should be 10 cycles/burst or longer. After each burst which is between 10 cycles and 70 cycles a gap time of at least 14 cycles is necessary whereas I ...
6
votes
3answers
255 views

Switch symbol: Which line is normally-closed?

The symbol below is for the component TL32P0 (TINY SWITCH ON - MON), included in EAGLE 6.5. In this symbol, which pin is normally-closed (NC)? 1 or 3? Or is the symbol not a typical one, i.e. not ...
0
votes
0answers
282 views

Any simplified diagram explanation of how CPU works? [duplicate]

I'm a high level Java developer. My major is Information Systems. However, my internship subject is in embedded systems programming by C, about which I have no idea. Trying to study about it, I ...
4
votes
2answers
361 views

How to create a circuit drawing that allows easy mapping for setting up a breadboard

I've read the post Rules and guidelines for drawing good schematics and whilst it does contain a lot of useful information, it doesn't address my question about a drawing to be use for breadboards. ...
0
votes
3answers
2k views

How to draw a circuit diagram to check a 4 bits number is odd or even

Like the title, anyone know how to draw a circuit diagram to check a 4 bits number odd or even ?? Update: Here are my truth table for my solution: A B C D Output 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 ...
6
votes
2answers
424 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 ...
1
vote
1answer
207 views

Depletion region's length in diode

Assume that the \$C-V\$ curve of a Silicon diode is the following The equivlant \$\dfrac{1}{C^2}=f(V)\$ is shown next The slope will give me \$slope=\dfrac{2}{\epsilon q N_d}\Rightarrow ...
6
votes
3answers
783 views

How does this circuit diagram work?

I don't understand this circuit diagram here, but I'm sure that you can help me out. I'll explain what I have figured out so far. EDIT: It's a metronome circuit. Sorry for being unclear about that. ...
3
votes
2answers
333 views

Circuit version of a simple if else program

I have written a simple program that controls two motors (outputs) each with two states ( positive, negative) with an Arduino. The motors states based on the status of four buttons (inputs) (Up, Down, ...
11
votes
3answers
4k views

Use of ground symbols in circuit diagrams

In this question is the following diagram for a voltage booster intended for small battery powered devices The TPS61200 spec says GND is control/logic ground and PGND is power ground but this isn't ...
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votes
1answer
65 views

Vibrotactile graphic equilizer? [closed]

I'm very new at this, but here goes: I work with adults who are both deaf and blind. I'm trying to basically build a graphic equalizer that has vibration motors instead of LED's. It would be worn on ...
0
votes
0answers
115 views

Interfacing with ROM chip(C, ASM, & Timing Diagrams)

I am attempting to interface with the following ROM chip via my mc9s12 microcontroller: http://www.alldatasheet.com/datasheet-pdf/pdf/55460/AMD/AM29F040B.html I have several functions written in C, ...
-1
votes
2answers
178 views

Representing a four-way light switch

I've found symbols in this explanation for a four way switch but I can't find that symbol in any of the online circuit-drawing tools I've looked at. The best alternate representation I've come up ...
0
votes
3answers
314 views

How can an SR Flip Flop be made using a D Flip Flop and other Gates?

An SR flip flop is a flip flop that has set and reset inputs like a gated SR latch. How can an SR Flip Flop be made from using a D Flip Flop and other logic gates? I've done several searches online ...
1
vote
1answer
7k views

Wiring a GY-521 to an Arduino Uno R3?

I am searching for a non-technical picture or diagram or explicit textual instructions explaining how to wire a GY-521 Accelerometer/Gyro to an Arduino Uno R3. I am a software developer and need ...
3
votes
2answers
145 views

What does “P. C. MOUNTING” stand for?

In this datasheet, last page, what does "P. C. MOUNTING" mean in the diagrams?
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votes
1answer
2k views

2N7000 connection diagram

I need a simple diagram showing me how to switch 12v LEDs with a 2N7000 using an Arduino. My experience is moderate, but a simple diagram should get me started :) to summarize i want to switch 12v ...
8
votes
3answers
3k views

What does a two overlapping circles symbol mean in an electrical schematic/diagram?

In the datasheet for a A3503 Hall Effect Sensor, I saw a circuit diagram labeled 'Functional Block Diagram', and it shows a symbol I have not seen before. It's shown here between 3 - Output and 2 - ...
3
votes
3answers
126 views

Graphing / visualizing power tree?

I'm interested in generating a chart / diagram of power usage for a system, as well as some sort of tree digram of voltage rails. For example, you might have a PMIC connected to VBAT, the output of ...
0
votes
1answer
231 views

Draw busbars in qelectrotech

In qelectrotech how can I draw a busbar?
3
votes
2answers
182 views

Useless input - logic circuits drawing convention

I am a logic circuits beginner. We are asked to draw a circuit which takes a four-bit word as input, and outputs true if the word is greater than or equal to 10. Symbolizing the word as (b1b2b3b4), ...
0
votes
1answer
978 views

How to fix my designed calculator circuit using Logisim

I am trying to design a calculator circuit that adds 2 four-bit 2's-complement binary numbers as its input and outputs an 8-bit 2's-complement number when the control bits equal 01. Here's what I ...
0
votes
2answers
750 views

Speed control of a DC motor using variac

I have a offset printing machine and it's original electrical design uses a variac device to control it's speed (RPM) value of the main motor drive. I don't have access to any electrical wiring ...
6
votes
4answers
3k views

components within a triangle in an electronics diagram

I'm trying to understand the following circuit diagram: Specifically, the four triangles within the L293D component. So I understand there are two transistors in there, connected in series from 24v ...
0
votes
2answers
86 views

What is the purpose of marking the positive terminal of an 50% duty cycle oscillating source?

Some circuit diagrams I look at contain a sinusoidal voltage source with a `+' hovering to the side of the wire a little ahead of that component. ____(~)_+___ If ...
9
votes
1answer
2k views

What does this circuit symbol mean? (Circle with horizontal line through it)

I came across the following symbol in a datasheet (functional block diagram on page 8). What does it mean? For future searchers, the symbol is a circle with a horizontal line (diameter) through ...
2
votes
4answers
4k views

Which way to draw diode in a circuit diagram

Im having a bit of trouble drawing a circuit with a diode in. I know the current flows from negative to positive, but convention says that current goes from positive to negative. When drawing a ...
4
votes
2answers
501 views

What component does this MOSFET-like symbol represent?

What does the following symbol represent? Update 1: For some context:
6
votes
3answers
2k views

Why is U used for ICs on circuit diagrams? [duplicate]

Possible Duplicate: What do the PCB markings mean? On circuit diagrams, C stands for Capacitor, R for Resistor, L for inductor (for Lenz), but why is U used for ICs on circuit diagrams?
1
vote
1answer
433 views

What circuit element is this? Rectangle with diagonal arrow, called G

What kind of circuit elements are \$G_\mathrm{Na}\$ and \$G_\mathrm{K}\$ in this circuit diagram? I understand that \$G_\mathrm{L}\$ is a conductance, but what about the arrows?
2
votes
1answer
202 views

Reading a simple diagram, how to practically implement this on a breadboard

So yes, I'm brand new to circuitry, and I'm looking to implement a very simple diagram in order to boost a 3.3v output to 12v output. I've picked up a lm317T from the local electronics shop and I'm ...