Hobby Electronics Basics

  1. Home
  2. Hobby Electronics Basics
9387 Threads Posts
to

Worth reading in Hobby Electronics Basics

minimum size?

What would be the minimum size for circuits chip design? How small can the the circuit pathways be made? Is it the quant...
4 comments posted 20yrs
posted by garrethhume
4 comments posted 20yrs posted by garrethhume

cheap electronics store online

I'm sick of going to radioshack and paying ridiculous prices. Anyone know of good online supplier? Also, would anyone h...
18 comments posted 20yrs
posted by randomname12345
18 comments posted 20yrs posted by randomname12345

foot switch/throttle for scooter motor control?

I'm wondering where to find a foot controlled throttle to put on the front of a skateboard/powerboard (or whatever you...
1 comments posted 20yrs
posted by jdoe
1 comments posted 20yrs posted by jdoe

NOR Gate Question

My thinking: +5volt logic works usually with a "high" of near 5 volts and "low" near zero volts. If I'm thinking right,...
18 comments posted 20yrs
posted by bborb
18 comments posted 20yrs posted by bborb

Trouble With A Very Simple MOSFET Amplifier

Hello! I've breadboarded a circuit out of Forrest Mim's _Getting_Started_.... Turn your study guides to page 107, or cl...
26 comments posted 20yrs
posted by blahbleh666
26 comments posted 20yrs posted by blahbleh666

Zero Ohms = Mathematically Incorrect

Hi: If a conductor has zero resistance, then what is the amperage of a current flowing though it? Amperage = voltage/re...
80 comments posted 20yrs
posted by glucegen1
80 comments posted 20yrs posted by glucegen1

Current measurements from a computer

Hello, Does anyone know of a good way to get DC current measurements from a standard computer (via rs232,etc)? Do most...
7 comments posted 20yrs
posted by mikeb
7 comments posted 20yrs posted by mikeb

LED's for dummies

I'm apparently an incredible dummy, because I can't wrap my mind around this concept yet. So I'm sorry to ask such a ru...
9 comments posted 20yrs
posted by hepstyle
9 comments posted 20yrs posted by hepstyle

Can electricity flow through air w/out sparking?

Hi: Please forgive my persistence on this topic of wireless electricity and diaphragm-less speakers Can electricity flo...
105 comments posted 20yrs
posted by glucegen1
105 comments posted 20yrs posted by glucegen1

Motor Drivers vs Motor Controllers

I saw many companies use different names. What are the differences between those two: Motor Drivers & Motor Controllers?...
2 comments posted 20yrs
posted by quanghoc
2 comments posted 20yrs posted by quanghoc

gold plated

Is there a good reason for a lot of electronics to be gold plated? Thanks.
11 comments posted 20yrs
posted by mike7411
11 comments posted 20yrs posted by mike7411

residential voltage sensors to pic components

What kind of component would be used to indicate the presence of a load on a residential power point (240V/10-20A) and...
6 comments posted 20yrs
posted by tyler.retzlaff
6 comments posted 20yrs posted by tyler.retzlaff

DC motor speed controller necessary?

What is a DC motor speed controller? I'm talking about DC motors like they use for electric scooters in the 250 W to 50...
9 comments posted 20yrs
posted by jdoe
9 comments posted 20yrs posted by jdoe