Hobby Electronics Basics

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bluetooth

what is bluetooth
10 comments posted 19yrs
posted by javithkhan
10 comments posted 19yrs posted by javithkhan

Z Diagram of Low Pass Filter

I am to draw an impedance diagram of a low pass filter comprising resistor & capacitor, and to indicate the phase angle...
4 comments posted 19yrs
posted by address
4 comments posted 19yrs posted by address

Powering PC from 24V battery

My AC input to the computer converts to 19VDC, 7.9A, 150 Watts Max. What are my options to power this from a 24V (2/12V...
3 comments posted 19yrs
posted by dwbauer
3 comments posted 19yrs posted by dwbauer

PC port question

Before I plug this circuit into my PC, I'd like to know if it's going to blow things up. I'd like to use a 9v battery t...
18 comments posted 19yrs
posted by randy.day
18 comments posted 19yrs posted by randy.day

soldering to nichrome wire

I am trying to solder copper wire (tinned) to nichrome ribbon (more like wire, but wider), which I took from an old toa...
19 comments posted 19yrs
posted by nuisancewildlife
19 comments posted 19yrs posted by nuisancewildlife

Capacitance value?

I have opened my Sky Digibox which has stopped working and I am having problems reading capacitor values. For example,...
4 comments posted 19yrs
posted by ayanamer
4 comments posted 19yrs posted by ayanamer

Inverse Temperature (1000/K)

Hi All, I am reading ahead for a microfab class I am taking in January and I've noticed alot of the literature publishe...
3 comments posted 19yrs
posted by a7b98208
3 comments posted 19yrs posted by a7b98208

Electrical Wiring ?

I repaired a hot water supply unit which is run by 3- phase 440 volts ac ( no neutral ). There is a step down to 220 vo...
3 comments posted 19yrs
posted by mowhoong
3 comments posted 19yrs posted by mowhoong

LED Christmas Tree Lights

Hi guys I purchased one of those invertors for the car that will run up to 60 watts I tried hooking it up to a 12 volt...
17 comments posted 19yrs
posted by rickj
17 comments posted 19yrs posted by rickj

BASICS!-how can i make this simple recorder loop?

Hi and forgive my ignorance! im absolutely new to electronics but am enjoying building kits and playing with pre-fab ci...
7 comments posted 20yrs
posted by spittlebit
7 comments posted 20yrs posted by spittlebit

Common Mode Choke question

Hi everybody, I have a 1mH, 10A common mode choke. Can I use this as an inductor with the same specs? If yes, how? Like...
6 comments posted 20yrs
posted by schouse
6 comments posted 20yrs posted by schouse

melody Ic Masking

I have a very simple melody. I need to mask a melody IC contains this melody, could you introduce me a company?
0 comments posted 20yrs
posted by fatemeh.riazati
0 comments posted 20yrs posted by fatemeh.riazati

bar43 diode

Can anyone point me to where I can find a SPICE model of a bar43? Thanks
0 comments posted 20yrs
posted by c-dap
0 comments posted 20yrs posted by c-dap

High Voltage AC to DC

Hi all, I need high voltage DC of very small amp. So I used IC 555 to produce the fluctuating current and step up using...
3 comments posted 20yrs
posted by Dr.chongff
3 comments posted 20yrs posted by Dr.chongff