Questions tagged [learning]
Avoid this tag. It doesn't add anything.
52
questions
0
votes
0answers
87 views
how can i relearn electronics again [on hold]
i don't know if i can post this question here (if not please let me know where i can post it ).
i have 3 or 4 mouths of summer break and i ...
0
votes
1answer
106 views
Need to determine a mosfet, and wouldn’t mind a little education in the process
I want to start off by saying that I am a complete electronics newb. I know a little but am always looking to learn more. With that said I am asking for a little help and a little learning.
Here’s ...
2
votes
1answer
52 views
Variable Frequency-Response analysis (amplifier)
I'm trying to understand what the book "Basic Engineering Circuit Analysis" by Irwin is saying at the chapter of variable frequency...
It's trying to amplify a signal from 50Hz to 20000Hz.
Where it ...
2
votes
1answer
143 views
Understanding how current is 0A in secondary circuit of this potentiometer - misprint, or am I dumb?
I'm learning some basic electronics, and I'm using an old textbook (Basic Electronics for Scientists, Brophy, 1966) to wrap my head around some fundamentals.
At the moment, I'm looking at ...
0
votes
2answers
74 views
Learning MPLAB XC [closed]
I am trying to learn mplab xc8. I am familiar with c and c++. I have written some code using these languages. But While I am trying to learn mplab, I couldn't find any good source or book. For example ...
0
votes
2answers
346 views
How to detect pulse duration with cmos circuit
I have created a circuit where I want to detect a pulse width , but unfortunately I can't get what I want. I think my circuit is totally wrong, I am looking online to find a solution, but the closest ...
-1
votes
2answers
93 views
How Vdc and M1 are influencing the circuit in this voltage controlled oscillator
I have simulated a VCO and I want to understand the difference between the ring oscillator.
In this case I have a higher frequency than in ring oscillator with same parameters of transistors. I ...
0
votes
2answers
169 views
What determines the frequency of the oscillator?
I want to understand what determines the frequency of this ring oscillator and how to lower the frequency.
0
votes
1answer
1k views
What is happening when I am adding a load capacitor in CMOS inverter
I want to simulate an invertor with CMOS. When I added a load capacitance and plotted the output voltage. I saw a sharp voltage graph so I have changed the dimensions of the transistors and got the ...
0
votes
1answer
31 views
Why the DC voltage doesn't affect the high pass with the NMOS Transistor?
By changing the gate-source voltage of the NMOS transistor, I can alter the resistance in the triode region. The transistor becomes a voltage-controlled resistor.
I don't understand how it affects ...
-2
votes
1answer
217 views
Why the current in the drain of NMOS transistor is going to negative?
I am new at studying microelectronics and I really want to understand why the current in the drain goes to negative (you can see the plots in the attached files). When I am decreasing the voltage to 0....
-6
votes
1answer
89 views
Where can I learn ALP? [closed]
I am a student and didn’t find any proper video even on YouTube for this.
So, Where can I learn Assembly Language Programming of 8085 Microprocessor?
It would be very helpful if someone would provide ...
2
votes
0answers
91 views
Starting point for a 10 year old [closed]
I am a EE and would like to get my 10 y.o. nephew familiar with the fun side of electrical projects. I'd like to start with basic principles and projects to re-enforce the basics. The goal is to ...
1
vote
1answer
357 views
Can someone extend this brief description of the superheterodine radio kit? [closed]
The Tecsun 2P3 radio kit comes with a sheet of paper with the following schema and description, but it doesn't explain too much about all the components. For a novice is a bit hard to know the sense ...
0
votes
2answers
232 views
How and where can I start learning about electronic? [closed]
Maybe it's an off-topic question but I really had no idea where to ask this question
As a 17 years old boy, who is interested in learning about computer and devices I figured out, I really need and I ...
-3
votes
2answers
386 views
How can I learn interfacing Microcontrollers? [closed]
My study field was computer and I'm newbie in electronics. so sorry if my question is very simple or low level!
I want to build a Microcontroller based board(I think it called MCU board?) and when I ...
0
votes
1answer
121 views
Oscilloscope training resources
I would like to learn to use an oscilloscope properly. I used them a few times at school, but that was a long time ago and I've forgotten most of what I learned about their use.
I'm now working with ...
0
votes
3answers
173 views
Why does such circuit not work?
Assume I have a lamp and I connect one side to the + pole of one battery, and then the other side to the - pole of another battery (say two batteies of 1.5V). The remaining - and + poles are not ...
0
votes
4answers
252 views
beginning with programming microcontrollers [closed]
I am a software developer (coming from java and javascript/web-app programming) and I'm very interessted programming microcontrollers like arduino or espruino. The problem is I have little to no ...
0
votes
2answers
227 views
Where can I learn? [closed]
Ok, so first I want to say that I'm only in a mere 9th grade but done let my years dictate my experience and expertise to you.
So I'm looking at open courseware but I'm not sure what course to look ...
0
votes
1answer
225 views
Electronics by Example [closed]
I am interested in learning more about electronics. I know some basics about resistors, capacitors, transistors, and diodes. I would like to learn more about things such as operational amplifiers, ...
0
votes
1answer
3k views
Design and build a single board computer [closed]
I want to learn how to design and build a single board computer like the
Raspberry Pi. I saw a DIY project on Hack-A-Day and design something
like the board in the DIY project but a bit more ...
0
votes
2answers
548 views
How to understand the “basics” of electricity? [closed]
I want to be a self-taught computer engineer ... massive goal, but it's what I want eventually.
I check out textbooks and online resources, but I feel like I need a prerequisite somewhat -- I still ...
2
votes
2answers
245 views
How can I become more accomplished at reading electronics schematics?
I know what the individual electrical components do (RLC). However, how can I learn to read schematics to determine what the circuit is doing? I have seen some experienced engineers looking at ...
-3
votes
2answers
246 views
Where to start with if I want to learn about wireless technology? [closed]
I am a mathematics graduate and a government employee. I completed my graduation 13 years ago. My job had no relation with academics. I was a computer illiterate 3 years back until I came across Mr. ...
0
votes
1answer
183 views
Digital Electronics Simulator
What online tool can I use to tinker with circuit boards / dimmers / buzzers etc?
I'm wanting to learn more about electronics without spending too much time & money on buying parts I'll only use ...
3
votes
3answers
315 views
EE for Software engineers [closed]
Recently I've started playing a lot with 3D printers, Adrunio, Pandaboards and Kinect's SDK. I'm starting to have more and more passion for this sort of devices and I think it's about to turn into a ...
-2
votes
1answer
250 views
What will I need to know to make a mini-camera? [closed]
I've recently had some trouble getting hold of a decent car dashboard camera and figured it might be a fun little pet-project to take on.
I'm a software developer by trade, typically for the web. I ...
3
votes
3answers
1k views
Microchip PIC10 (8 bit microcontroller) learning reference. Where to start?
So I've generally learned how to use an Atmel Attiny13a, but now I have found that I need to switch to a Microchip PIC 8 bit microcontroller such as the PIC10 series.
Can anyone give me some good ...
0
votes
1answer
2k views
How to build a telephone answering machine with caller id [closed]
I'm brand new to electronics. I'm interested in building my own telephone answering machine with caller id receiver from scratch as a learning project. How would you suggest I get started?
2
votes
4answers
11k views
Measure the resistance of some DC Motors
I did the following to measure the resistance of some DC motors I have and I'm wondering if I did it properly and if my conclusions are sound :
I had 4 motors (same model) already connected to a ...
7
votes
4answers
3k views
Where can I find beginners electronics project schematics online, for free? [closed]
I have bought the following books in order to start learning basic electronics:
Electronics All-In-One Desk Reference For Dummies
Robot Building for Beginners (Technology in Action)
My desire though,...
4
votes
2answers
5k views
What's a good way to start learning how electronics and circuits work? [closed]
I literally already tried getting a degree in Electrical Engineering, and I hated it, and I switched to Computer Science.
But here's the thing-- I find circuits and electronics and electrical devices ...
3
votes
2answers
12k views
Electronics course - From basics to designing circuits [duplicate]
Possible Duplicate:
From zero to “almost pro”: Newbie trying to learn. Good, quick resources?
What good resources are there for a high school student to start learning electronics?
...
0
votes
4answers
502 views
Where can I learn about how to create homemade electronics
Unfortunately, all I've learnt so far are concepts. I do not know where to start, but I have made a commitment to practically build some electronics. I want to ask where can I learn and acquires the ...
0
votes
0answers
129 views
simple explanation of ampers, voltage, watts, current and electricitiy [duplicate]
Possible Duplicate:
What is an amp (and other such basic questions) in the simplest possible terms?
How can can this terms be simplified or what are some basic analogy.
let say I have a 9 volts ...
4
votes
5answers
5k views
Learning Verilog online
Now that I'm going to be using the PSoC 5 as my microcontroller of choice, I would like to learn Verilog so I can create my own peripherals for it.
I have spent some time searching the web for ...
2
votes
2answers
11k views
How does this SIM card reader circuit work?
The circuit for a SIM card reader is shown here. The circuit uses a CMOS hex inverter and other simple components; yet, not only does it work but it can also communicate with a PC via serial port!
I ...
24
votes
8answers
11k views
Is it worth it learning how to use 7400 series “jelly bean” logic IC's or are they completely obsolete?
My road map for learning electronics included the 7400 series logic chips. I started in on electronics by following the labs in the "Art of Electronics" lab manual which includes labs with these chips....
3
votes
2answers
708 views
How hard would it be to hack a “personal soundtrack shirt”
I imagine this is an unusual question for this SE site but here it goes.
I just bought a "personal soundtrack shirt" from think geek.
This shirt is really cool. It comes with a built in speaker an ...
19
votes
13answers
4k views
Path for a child to learn electrical engineering
What are some paths for a child (7-year-old) to learn electrical engineering (in a safe way)?
I do not want to saturate (or frighten away) the child with lots of concepts, I want that my son learn ...
7
votes
9answers
2k views
Embedded Development - Taking the Next Step
I'm going to start by telling you what I know. Then I'm going to tell you that I want to get to this magical land of knowing everything about embedded systems development. Then I'm going to ask you ...
5
votes
8answers
5k views
What good resources are there for a high school student to start learning electronics?
I have a couple years of experience with computers - I can program, and I know computers really well. But I don't understand them.
This leads to a broader scope - I don't understand electronics in ...
15
votes
2answers
30k views
How does an astable multivibrator LED blinking circuit work?
I am a beginner in electronics. I come to know about the oscillator using RC circuits (capacitor charge and discharge and time constant tells the behavior of circuit).
Then I saw the following ...
2
votes
2answers
943 views
'keyboard from scratch' registering key presses
For my first hardware hack I'm taking a stab at a 'mechanical keyboard from scratch' (where scratch means individual components).
I plan to use a teensy++ board (16MHz) and was wondering about how to ...
2
votes
3answers
450 views
I want to learn enough image and video processing to execute a project idea, pointers?
First of all, I am a total newbie to image processing. I have a project idea, part of which will involve doing the following
...
4
votes
1answer
1k views
Getting started with Altera FPGAs
I am getting a Cyclone II-based Altera DE1 FPGA board to experiment with. I know a lot about programming, a bit about electronics and very little about FPGAs. What books or other resources would you ...
0
votes
2answers
119 views
Where can I find good documentation about memories?
I'm learning about the different kinds and functionalities of electronic memories (i.e. ram, flash, etc) but I'm a little confused because all the sources show something different and I don't know ...
45
votes
13answers
10k views
How to go from newbie to manufactured?
I'm a software guy who wants to get into the hardware side of things so I can enjoy the same creativity from software design in the physical world.
I've found plenty of posts here regarding how to ...
7
votes
5answers
4k views
Learning about electronics
I'm a computer scientist with zero exposure to things directly related to hardware (barring what I learned from my undergrad computer org class.)
I've been very attracted to the field of embedded ...
