Hobby Electronics Basics

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

Worth reading in Hobby Electronics Basics

Help on Looser-Take-All / Winner-Take-All circuit

Good morning, a friend of mine have inserted this post on a Forum I created on my site www.etantonio.it/en , this is th...
2 comments posted 21yrs
posted by etantonio
2 comments posted 21yrs posted by etantonio

Regulating voltage through a filament transformer

I'm trying to build a resistance soldering unit using a filament Xfmr with 120V input and 6.5V 20A secondary. Any sugge...
4 comments posted 21yrs
posted by eyeclinic
4 comments posted 21yrs posted by eyeclinic

Resistance of ammeter caused voltage drop

I have a simple setup as below. The ammeter is used to measure the transmit current of the radio. Power supply has an d...
34 comments posted 21yrs
posted by ahkit1021
34 comments posted 21yrs posted by ahkit1021

12 volt regulation help needed

I have built a very simple PWM controller to control the temperature of the grip heaters on a ATV. Uses a 4093 with a t...
3 comments posted 21yrs
posted by robgagnon1
3 comments posted 21yrs posted by robgagnon1

Accuracy of division using MPY634

Hi all, I'm doing a simple project which will do the voltage division, Vo = 10(V1/V2). I do this using MPY634. My conne...
15 comments posted 21yrs
posted by albertleng
15 comments posted 21yrs posted by albertleng

Impedance

When a source(e.g.Mic or guitar)is added to load (Mic Input),how does the source become affected in transferring its si...
3 comments posted 21yrs
posted by j.michael
3 comments posted 21yrs posted by j.michael

Blinking third break light

Hi. My wife has me to build her a circuit that will make the third brake light blink light her friends (lucky me). Sinc...
11 comments posted 21yrs
posted by abel6479
11 comments posted 21yrs posted by abel6479

Starting to work with electronics -- suggestions?

Hi all, Okay, I'm 29, and all my life I've wanted to learn how to work with electronics, whether just making little gad...
7 comments posted 21yrs
posted by samalex
7 comments posted 21yrs posted by samalex

Contract circuit board maker source?

I've got a small project that I want to make about two hundred copies of. The board is 1" x 1.25" single side single la...
14 comments posted 21yrs
posted by No_Spam
14 comments posted 21yrs posted by No_Spam

feedback

How is it that an amp doesn't blow when it has the signal fedback into it in the circuitry stage? Thanks
2 comments posted 21yrs
posted by j.michael
2 comments posted 21yrs posted by j.michael

AM/FM Radio With Display

Hello, I'd like to build a digitally tuned AM/FM radio with an LCD display, and was wondering if anyone knows of any kit...
2 comments posted 21yrs
posted by dbmat
2 comments posted 21yrs posted by dbmat

RFSIM99 new version

HI ! all IT's a long time since I have used RFSIM99 for my filter design . I got it by http://www.sandiego.edu/~ekim/e1...
0 comments posted 21yrs
posted by senzaparole
0 comments posted 21yrs posted by senzaparole

Looking for Frequency counter

Hi, I looking for an schematic: Frequency counter with 8051-processor. Thanks
2 comments posted 21yrs
posted by christophe.vh
2 comments posted 21yrs posted by christophe.vh