Electronics Down Under

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pwm supply or other for leds ?

hi , i have 19 rows of four , 10mm white leds. would it be better to power them straight from dc or a pwm supply ? thank...
2 comments posted 17yrs
posted by krawczuk
2 comments posted 17yrs posted by krawczuk

Anyone know much about Cent a meters.

http://www.centameter.com.au/products.htm In particular, what their accuracy is at low power levels,less than 50 watts....
13 comments posted 17yrs
posted by mauried
13 comments posted 17yrs posted by mauried

Re: electronic circuit simulation software

> Hi colleagues, > need electronic circuit simulation software (preferably b2spice). who can > help? will be much appre...
0 comments posted 17yrs
posted by cockatoo
0 comments posted 17yrs posted by cockatoo

RCM4010 Development Kit (101-1115)

http://www.dominion.net.au/index.php?a=&b=&c=&d=101-1115 Any thoughts or ideas? Rabbit microcontrollers and compat. with...
2 comments posted 17yrs
posted by cockatoo
2 comments posted 17yrs posted by cockatoo

Re: breadboarding

> oh yeah!http://blog.makezine.com/archive/2008/08/bread_circuit_board_blink.html Brilliant! Cue the Phil Allison jokes....
4 comments posted 17yrs
posted by altzone
4 comments posted 17yrs posted by altzone

Led Lighting

Lighting technology to replace incandescants, as an alternative to inferior flurorescent technology (poor radiation spe...
1 comments posted 17yrs
posted by cockatoo
1 comments posted 17yrs posted by cockatoo

Re: CFL Burns Home Down

> ** See news story: > > http://www.times-news.com/local/local_story_121093606.html > > This USA home owner did not do...
2 comments posted 17yrs
posted by rabbitsfriendsandrelations
2 comments posted 17yrs posted by rabbitsfriendsandrelations

Springs!

Looking for a source of springs about 110mm X 40mm. Jaycar, Altronics, Dick Smith cats no go! Any suggestions?
3 comments posted 17yrs
posted by user
3 comments posted 17yrs posted by user

Ultra-LD 200W Power Amp Mk2 SC Aug 2008

I've been trying to understand the theory behind the design of the Ultra-LD 200W Power Amp Mk2 in the Aug 2008 issue of...
9 comments posted 17yrs
posted by fzabkar
9 comments posted 17yrs posted by fzabkar

Re: CFL Burns Home Down

> ** See news story: > > http://www.times-news.com/local/local_story_121093606.html > > This USA home owner did not do...
33 comments posted 17yrs
posted by monkeymik
33 comments posted 17yrs posted by monkeymik

SATA Testing - High end scope rental?

I need to rent a suitable scope for some SATA performance/compliance testing, e.g. Agilent 80000 or Tek 70000 series wi...
3 comments posted 17yrs
posted by altzone
3 comments posted 17yrs posted by altzone

RETURN TO ELECTRONICS?

Could the various posters please cool it and cease this endless stream of nationalistic stuff? The only hope for humani...
1 comments posted 17yrs
posted by user
1 comments posted 17yrs posted by user

Pepping up a Silicon Chip SC480 audio amplifier

Hi All, this is for the audio gurus: I recently got an SC480 kit from Jaycar, as I needed to attach a power amplifier t...
47 comments posted 17yrs
posted by my_name
47 comments posted 17yrs posted by my_name

Circuit Board Furniture

Check out this cool furniture and art made from PCB's: http://www.theokamecke.com/main.html Dave.
2 comments posted 17yrs
posted by altzone
2 comments posted 17yrs posted by altzone

Soldering Videos - Olympics Celebration Sale

Hi all, To celebrate the Beijing Olympics we are doing our "Personal Best" with the price of our Super Soldering Secret...
0 comments posted 17yrs
posted by tony
0 comments posted 17yrs posted by tony