Electronics Down Under

555 timer voltage doubler.

I have been seeing a few circuit that incorporate a 555 IC to generate pulses at a higher voltage than the input. Is th...

11 comments posted 18yrs

posted by userid

11 comments posted 18yrs posted by userid

shorted turns

Need help with shorted turn info. I am aware of eddy currents caused by shorted turns in a transformer or solenoid driv...

3 comments posted 18yrs

posted by tyuo59

3 comments posted 18yrs posted by tyuo59

Speakers in Silicon Chip magazine.

What are peoples thoughts on the speakers featured in the latest Silicon Chip magazine? For those that don't read Silic...

1 comments posted 18yrs

posted by El

1 comments posted 18yrs posted by El

Best display technology for hot conditions

What technology would be best for a computer display that has to survive for long periods in a hot environment, up to 4...

4 comments posted 18yrs

posted by bxvarley

4 comments posted 18yrs posted by bxvarley

Claims re Energiser cells (AA)

I note that Ever Ready is promoting its Energiser AA cells as "600 photos" against Duracell's "80". Can this possibly b...

17 comments posted 18yrs

posted by not

17 comments posted 18yrs posted by not

shorted turns

I need help in designing a D.C. solenoid former. I am aware of eddy currents in an A.C. solenoid or transformer, & note...

0 comments posted 18yrs

posted by tyuo59

0 comments posted 18yrs posted by tyuo59

Ceramic disc 100nF vs Mono ceramic 100nF

I have in my collection of capacitors, some ceramic disc 100nF and monolithic blue ceramic 100nF. Can they be substitut...

6 comments posted 18yrs

posted by userid

6 comments posted 18yrs posted by userid

video surveillance

Does anybody know of a home video surveillance system? I have a neighbor who has been periodically vandalizing our prop...

13 comments posted 18yrs

posted by mockingbird4404

13 comments posted 18yrs posted by mockingbird4404

PowerBase NiMH 'AA' battieries

Just wondering if anyone had tried these batteries before and if they were any good? Rockby has them for $7.00 for pack...

2 comments posted 18yrs

posted by dotatdot

2 comments posted 18yrs posted by dotatdot

ASUS EEE Notebook Available in WA

If anyone is interested, Myer's Perth store has a few of the 4GB model available. Dave

0 comments posted 18yrs

posted by daveg50_8

0 comments posted 18yrs posted by daveg50_8

How to turn off sound on Simpson Eziset 550 washing machine?

Hello all, We have the above model Simpson washing machine and would like to be able to turn off the sound which indica...

4 comments posted 18yrs

posted by someone

4 comments posted 18yrs posted by someone

Re: Le Turd : Freak Show !

> > > G'day mates, > > I sent that comment to a very interesting site & persons shown below, > > and some of you might...

1 comments posted 18yrs

posted by spamlister

1 comments posted 18yrs posted by spamlister

Marconi 2955 flyback and OM modules available

Hello! In my continuous search for spare parts for the nice Marconi 2955 series, I have got these: (a) OM-2045: they ar...

0 comments posted 18yrs

posted by eb5agv

0 comments posted 18yrs posted by eb5agv

TV tuning.

Have an Orion VR20DN tv with video I have no remote, and can only get 2 stations. Any known tricks to tune? I can only s...

8 comments posted 18yrs

posted by pookiethai

8 comments posted 18yrs posted by pookiethai

Re: Asus EEE-PC, was Chinese engineering

Don McKenzie wrote in news:475da74b$0$31595$ snipped-for-privacy@news.>> To change the subject but slightly ... >> Have...

3 comments posted 18yrs

posted by gb0807

3 comments posted 18yrs posted by gb0807