Linked Questions

2
votes
3answers
4k views

How can a higher power circuit share the ground with a lower powered circuit?

Just when you think you understand electricity, it throws another curve ball at you. The following circuit confuses me. The Arduino has it's own power circuit supplied by either batteries or a ...
0
votes
2answers
553 views

Beginning Audio Electronics [duplicate]

I'm 16 and interested in getting into audio electronics so I can make things like mixers and speakers, etc. I currently only have a rudimentary understanding of electrical circuits which extends only ...
96
votes
9answers
87k views

Why does a resistor need to be on the anode of an LED?

Please be kind, I am an electronics nub. This is in reference to getting an LED to emit photons. From what I read (Getting Started in Electronics - Forrest Mims III and Make: Electronics) electrons ...
1
vote
2answers
149 views

Battery operation, charge and discharge processes misconceptions

I'm trying to elaborate a simple explanation (and conceptually correct) of how a battery charges and discharges, and why we say things like "the charge stored in the battery is x Ah". For now, I have ...
2
votes
2answers
144 views

Art of electronics figure 1.18

I decided I would like to start learning how electronics work, so I got myself The art of electronics. I guess its trivial, but I cannot wrap my head around why is there a wire that I painted with ...
-2
votes
1answer
99 views

A good way to get into Electronics with just 2 hours per week? [closed]

I want to get into electronics but I only have 2 hours per week to spend time-wise and my budget is low. What are some good projects? Perhaps I should spend my time doing C programming challenges ...
0
votes
0answers
41 views

self guided electronics text recommendations [duplicate]

Can anyone recommend a good text or texts that they have experience with for someone learning electronics on their own. I have taken some very basic college courses, but I want to know more. There are ...
-2
votes
1answer
348 views

Electrical engineering beginners book [closed]

This maybe the wrong forum to be asking such a broad question but I'm looking for an EE book that was referenced by a friend years ago. The whole book looks as though it were scanned copies of a ...
0
votes
5answers
161 views

In this 6 purposes of Vacuum Tubes Video, what does “Generators” mean? [closed]

I was just checking how Vacuum Tubes worked in this very informative video Principles of Vacuum Tubes, however I was unable to understand what is the third point i.e Vacuum Tubes as "Generators". Is ...
5
votes
4answers
16k views

Question about the basic differences between a MOSFET and a FET

I'm still new to all this stuff, but I'm slowly trying to understand. I'm getting most of my information from "Getting Started in Electronics" (Forrest Mimm's book) Okay, so MOSFETs allow current to ...
12
votes
4answers
33k views

How can I learn electronics at home? [duplicate]

Possible Duplicate: Learning about electronics I am 40. I am an architect by profession. I am very interested in learning electronics. I don't have time to go to college for an electronics ...
10
votes
6answers
25k views

How does one get started with electrical engineering? [closed]

Total beginner here. I know absolutely nothing about anything, but I want to build stuff. Preferably for cheap. Books, kits, anything?
7
votes
2answers
3k views

Online guide to electronics [closed]

I had the luck to have someone who could explain everything to me, but most starting hobbyists don't have someone like that. Is there a guide available which covers all the basics, like formulas, ...
1
vote
4answers
2k views

Transistor and zener diode

I have found this schematic and am confused about the transistor and the diode. I know that the phone voltage is around 3V and the PIC voltage is 5v, and it's a level shifting circuit. My questions : ...
13
votes
2answers
52k views

how to select capacitor values

I am trying to find information on formulas used to calculate capacitance required for a given circuit. Not a circuit in particular, just in general how to figure out what value should be used. I know ...

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