The diagram tag has no wiki summary.
6
votes
3answers
228 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
122 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, ...
7
votes
3answers
179 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 ...
-1
votes
1answer
52 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
50 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, ...
0
votes
2answers
99 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
89 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 ...
0
votes
1answer
425 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 ...
2
votes
2answers
74 views
What does “P. C. MOUNTING” stand for?
In this datasheet, last page, what does "P. C. MOUNTING" mean in the diagrams?
-3
votes
1answer
242 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 ...
5
votes
2answers
476 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
2answers
58 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
94 views
2
votes
2answers
155 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
463 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
321 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 ...
5
votes
4answers
790 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
1answer
51 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 ...
8
votes
1answer
908 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
2k 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 ...
3
votes
2answers
301 views
What component does this MOSFET-like symbol represent?
What does the following symbol represent?
Update 1:
For some context:
6
votes
3answers
539 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
270 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
148 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 ...
4
votes
2answers
725 views
Newbie: resistor and capacitor symbols meaning
I found a project I'm interested in on the Internet ( http://linnix.com/udip/ ). However, I'm a total beginner to electronics, and I'm not sure about the values of the elements as described in the ...
1
vote
1answer
329 views
Understanding the circuit diagram on a filter
I have a filter that has these on it:
Funk-Entstörfilter
Drossel
250V~2A HPF F11.180/4
8.84 W Germany 565-3
I also added a picture. In the ...
5
votes
1answer
938 views
What is this symbol with a uF rating? Some type of capacitor?
This circuit diagram has a symbol I've been unable to identify, which I've indicated with a stylish green arrow. I'm guessing some sort of capacitor based on the uF ...
3
votes
1answer
577 views
Is there a set of standard symbols for connectors / wires / protocols?
I am attempting to convey via a diagram how a number of devices are to be connected.
In this specific problem:
A cable connects to the Queuing Controller via an RJ11 connector
The other side of the ...
2
votes
3answers
3k views
Hooking up an LCD to Arduino Diagram
Has anyone got a really clear diagram of the way to link up a 16x2 LCD screen to an Arduino?
Basically I have an LCD for which the back light is coming on, but I am not getting any words appearing on ...
3
votes
4answers
312 views
BlinkM temperature indicator
I want to build a BlinkM as a simple temperature indicator as seen at
http://thingm.com/products/blinkm/project-gallery.html
Anyone know where I can get a schematic & parts list? The link on the ...
1
vote
1answer
619 views
