Hobby Electronics Basics

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Lab power supply

Hi, I got two lab power supplies, which have amp and voltage control. Now I need to know whether the ground on them is...
1 comments posted 16yrs
posted by klaine8
1 comments posted 16yrs posted by klaine8

wire for high current inductor

I'm designing a 1 mH inductor with max current of 30 A. Anybody can give me suggestion what kind of wire should be used?...
6 comments posted 16yrs
posted by husodo2008
6 comments posted 16yrs posted by husodo2008

Making a non-linear resistance look linear

Hi, I'm planning to fit a fuel tank with a contents gauge. The sender that the tank manufacturer will put in is essenti...
8 comments posted 16yrs
posted by news
8 comments posted 16yrs posted by news

Diodes for 12v battery charging

I put in a 12v solar panel to charge up 2 ATV's and a mini tractor. Ran some speaker wire and battery clips to charge a...
22 comments posted 16yrs
posted by perilmung
22 comments posted 16yrs posted by perilmung

AD & DA

Hi, I am wondering how AD- and DA-converters are implemented. Any documents about the chips internal configuration? Wou...
9 comments posted 16yrs
posted by klaine8
9 comments posted 16yrs posted by klaine8

hello friends

hi every one am new here i dont know how to ask but have to ask well,i am bala from tirupati i am studying b.tech final...
4 comments posted 16yrs
posted by bala.ravilla
4 comments posted 16yrs posted by bala.ravilla

Driving large numbers of relays

I am a microprocessor programmer specializing in the Zilog Z8 family. In the past I have done several boards for contro...
6 comments posted 16yrs
posted by dickillyes
6 comments posted 16yrs posted by dickillyes

FPGA

Hi, what do I need to study the FPGA technology? Some kind of starter kit? Could someone recommend a good one with all...
3 comments posted 16yrs
posted by klaine8
3 comments posted 16yrs posted by klaine8

LEDs as photo diodes

Hi seb! I used LEDs experimentally as photo diodes, yielding up to 1,4V with green LEDs when near a 60W incandescent li...
14 comments posted 16yrs
posted by bernhard
14 comments posted 16yrs posted by bernhard

Phil Allison is teaching class

Phil Allison is champing at the bit to show us all how to design a small 10 watt amp. OK, now over to you...
3 comments posted 16yrs
posted by eather
3 comments posted 16yrs posted by eather

Multiple DSL connections on one phone line

I have a phone line that enters at one end of a house and has a double plate for the usual 2 phone connections in the r...
15 comments posted 16yrs
posted by JD
15 comments posted 16yrs posted by JD

Need simple 1vdc relay circuit

Okay, admittedly I am not that well versed in electronics. I can solder and follow directions well enough to put togeth...
6 comments posted 16yrs
posted by arcadefreaque
6 comments posted 16yrs posted by arcadefreaque

need a transformer

120 volt in, 35 volts out 1.2 amps I am having a hard time finding a 35 or 36 volts out transformer.
10 comments posted 16yrs
posted by hallerb
10 comments posted 16yrs posted by hallerb

Soldering with essential tremor

Dear scielectronicsbasics people, I am 65 and was recently diagnosed with essential tremor. It is not Parkinsons and is...
18 comments posted 16yrs
posted by electronman99
18 comments posted 16yrs posted by electronman99