Hobby Electronics Basics

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

Worth reading in Hobby Electronics Basics

Phase Sensitive Detector for Equities

Most have no reference, no way of telling the signal from the noise so they can integrate their entire life away and ha...
10 comments posted 15yrs
posted by Bret_E_Cahill
10 comments posted 15yrs posted by Bret_E_Cahill

transformer for ps3 wheel & pedals

Im looking for a transformer to my logitec driving force EX st.wheel/pedals. the unit says: Rating: 5Vdc ---,500mA 8Vdc...
3 comments posted 15yrs
posted by thomasjuul
3 comments posted 15yrs posted by thomasjuul

Noise Blocking Servo Headphones & Servo Mics

> >There is some otherwise nice real estate at the end of Navy runways, > >neighborhoods in San Diego and Virginia Beac...
7 comments posted 15yrs
posted by BretCahill
7 comments posted 15yrs posted by BretCahill

Using old microphone on PC

In my shed I just came across a very old but apparently high quality mic, a Sony 'F-99B', 'One point stereo dynamic mic...
18 comments posted 15yrs
posted by terrypingm
18 comments posted 15yrs posted by terrypingm

Convert stereo to mono

I have a new internet radio that has a a stereo headphone jack. I want to drive a single speaker with both channels. Wi...
14 comments posted 15yrs
posted by amdx
14 comments posted 15yrs posted by amdx

Minature AM transmitters - attenuation?

Hello I'm building a remote control circuit using some miniature AM transmitters/receivers. This is my first RF project...
11 comments posted 15yrs
posted by googleaddy
11 comments posted 15yrs posted by googleaddy

12 volt dc plug polarity

Need to make a power supply for my CPAP breathing machine. ( CPAP =3D Conti= nuous Positive Airway Pressure). It runs o...
8 comments posted 15yrs
posted by ivanvegvary
8 comments posted 15yrs posted by ivanvegvary

Switching on a PC over the telephone line

I am trying to find a circuit that I will be able to switch on my PC that is 200 klm away (like pressing the switch togg...
46 comments posted 15yrs
posted by niioannou
46 comments posted 15yrs posted by niioannou

Avalanche diodes?

I see that avalanche diodes have a "knee" in the reverse-bias region when you look at the V-I characteristics. What is...
36 comments posted 15yrs
posted by gloriasbest22
36 comments posted 15yrs posted by gloriasbest22

Practicality of using capacitors as a power source

At first glance it appears that, at least for some applications, employing capacitors as a means to store energy has co...
21 comments posted 15yrs
posted by rui.maciel
21 comments posted 15yrs posted by rui.maciel

Data logger question

I've got a stand-by generator for the house and I'd like to be able to keep track of the DATE(s) and TIME(s) when it is...
7 comments posted 15yrs
posted by sdasrs
7 comments posted 15yrs posted by sdasrs