Electronics Down Under

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Buying stuff from online shopping malls in China

I've come across these two online stores based in mainland China. http://www.carsets.co.uk/ http://www.aliexpress.com/...
2 comments posted 11yrs
posted by damian_andrews75
2 comments posted 11yrs posted by damian_andrews75

Pass through power bank

I want to use a power bank as battery back up for a Raspberry Pi. The power bank has to have pass through charging so t...
55 comments posted 11yrs
posted by gordon
55 comments posted 11yrs posted by gordon

Bedini motors and overunity crap

There's a shitload of silly people posting stuff on YouTube about so-called 'overunity' motors/generators (Bedini is ju...
15 comments posted 11yrs
posted by "The Pres"
15 comments posted 11yrs posted by "The Pres"

Approved 240V Arduino Interface?

Thinking about doing a shake-up of the wiring of at least part of my house and was wondering if anyone could provide an...
10 comments posted 11yrs
posted by cognicom
10 comments posted 11yrs posted by cognicom

Bad batteries bounce

http://www.geeksaresexy.net/2014/09/07/a-very-simple-way-to-test-if-your-alkaline-batteries-are-dead-or-not/
0 comments posted 11yrs
posted by someone
0 comments posted 11yrs posted by someone

Electrical Schematics

SchematicPro, Custom Design Electrical Schematics Exstensive Parts Library, Import Export Schematics Save in many format...
2 comments posted 11yrs
posted by scott93727
2 comments posted 11yrs posted by scott93727

More fun with plugpacks and audio gear

Continued struggles with plugpacks and their high frequency common mode feedthrough. Was powering a couple of home made...
3 comments posted 11yrs
posted by Bruce Varley
3 comments posted 11yrs posted by Bruce Varley

Silicon Chip Majestic speaker

Has anyone built the Silicon Chip Majestic speaker ? If so , does it sound any good ? or is the SC claims just balony ??...
0 comments posted 11yrs
posted by andkb
0 comments posted 11yrs posted by andkb

Digital Radio

Can I get digital radio stations on my mobile phone? TIA., -- rgds, Pete ------- It's not about Islam!.. http://ausnet....
29 comments posted 11yrs
posted by me
29 comments posted 11yrs posted by me

OT: Power outage.

Just got to the end of a power outage that lasted about eight hours. The power company's recorded message progressively...
41 comments posted 11yrs
posted by sylvia
41 comments posted 11yrs posted by sylvia

anyone in Perth have ...

a Dell Vostro/Inspiron 1400 or 1420?
0 comments posted 11yrs
posted by me
0 comments posted 11yrs posted by me

Free to good home (Perth) ...

Yeah, well, it's not perfect. This is for people inclined to FIX electronic stuff. I used to repair monitors etc but do...
2 comments posted 11yrs
posted by me
2 comments posted 11yrs posted by me

Plugpacks and grounding

Contemplating how to power custom-built gear from the mains safely, and within the regs. So if I buy a 'bench power sup...
4 comments posted 11yrs
posted by Bruce Varley
4 comments posted 11yrs posted by Bruce Varley

Gain switching, avoiding audible transients

I need to switch the gain of an audio preamp using a reed relay, Kv = 3 (low), and 10 (high). It's important to avoid a...
4 comments posted 11yrs
posted by Bruce Varley
4 comments posted 11yrs posted by Bruce Varley

PIC24 USB suspend current

I've posted this on a Microchip forum, but I thought I'd see whether anyone here knows the answer. I'm using a PIC24FJ6...
1 comments posted 11yrs
posted by sylvia
1 comments posted 11yrs posted by sylvia