Hobby Electronics Basics

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EBook reader DIY?

Guys, First off, I have little to no clue about electronics. I'm an aerospace engineer and can figure stuff out by myse...
5 comments posted 20yrs
posted by bfanti
5 comments posted 20yrs posted by bfanti

Wire Harness Tester

I am interested in designing/building a simple wire harness tester. The device would be capable of testing harnesses w/...
1 comments posted 20yrs
posted by kballsch
1 comments posted 20yrs posted by kballsch

Signal Conditioner - Easy and cheap?

I'll try to keep this short - if you need more info, please ask. I have a sensor that has an output range of approximat...
3 comments posted 20yrs
posted by imapeppertoo
3 comments posted 20yrs posted by imapeppertoo

Capacitor question

Hi I have a rated 525v 30uF Ac capacitor that I want to discharge into a load (coil). I am using a battery as a source,...
18 comments posted 20yrs
posted by lera
18 comments posted 20yrs posted by lera

Parallel Port/ ADC0820 help!

Hello All, I have a serious problem getting my circuit to work, and maybe someone here can help. I read threads here al...
2 comments posted 20yrs
posted by lmcgill2
2 comments posted 20yrs posted by lmcgill2

12 Volt power Supply

please forgive the supidity of this question but I am a mechanical engineer and have very linited knowledge of electron...
22 comments posted 20yrs
posted by indgepr
22 comments posted 20yrs posted by indgepr

Strange battery

Good day. Last week I came across one of those emergency light power supplies, the type with a 6 volt lead battery insi...
2 comments posted 20yrs
posted by wazungy2
2 comments posted 20yrs posted by wazungy2

Battery Indicator

Since I didn't get any replies to my "Voltage Cut off circuit" post, here is plan B. How about a circuit with 3 to 5 sm...
6 comments posted 20yrs
posted by 1qazse4
6 comments posted 20yrs posted by 1qazse4

breaker schematic symbol

http://www.geocities.com/djin_n_tonic/images/breaker.JPG i have this symbol of a breaker on a print. i get the thermal...
4 comments posted 20yrs
posted by djin_n_tonic
4 comments posted 20yrs posted by djin_n_tonic

No cold water in my HOTPOINT washing machine !!!

Hi all, My washing machine spins and all that but the water suddenly stop entering. How to find out whether the Solenoi...
5 comments posted 20yrs
posted by NOspamMZBEG
5 comments posted 20yrs posted by NOspamMZBEG

Generator characteristics

Hi, I am currently simulating a generator in Simulink, but i need certain data like d-axis synchronous reactances (Xd)...
0 comments posted 20yrs
posted by a3aan1111
0 comments posted 20yrs posted by a3aan1111

Voltage cut off circuit

I have a 2 way radio that will run with wide range of input voltages(5V-16V). I mostly run it on batteries. Since in st...
5 comments posted 20yrs
posted by 1qazse4
5 comments posted 20yrs posted by 1qazse4

Orcad Capture Help

How can i simulate the circuit below as it has no source. How can i insert the value of 9mA,8mA and 12mA current flowing...
5 comments posted 20yrs
posted by h.irfan
5 comments posted 20yrs posted by h.irfan