Electronics Down Under

5V 3wire computer fans source?

Looking for a source of 5Volt (yes 5), three wire computer fans. It is actually for a HP4V laser printer and fits in th...

2 comments posted 20yrs

posted by newsonespam-spam

2 comments posted 20yrs posted by newsonespam-spam

RF & Microwave CW Power Measurement

USB RF/Microwave CW Power Sensors/Meters * High Performance! NOT High Cost o A replacement solution for conventional po...

0 comments posted 20yrs

posted by dravie

0 comments posted 20yrs posted by dravie

Valves are NOT dead .....

** They still keep up with the times ... http://tinyurl.com/g5s5b ....... Phil

21 comments posted 20yrs

posted by philallison

21 comments posted 20yrs posted by philallison

Anyone service Hoover washing machines?

We have a Hoover Elite 1205 and the enamel is coming off the drum in a couple of places due to rust underneath. One spo...

10 comments posted 20yrs

posted by justallan

10 comments posted 20yrs posted by justallan

IR controlled by relay switch

I am a level C4 quadriplegic and use a box called a Envicom 10 (Environmental Control Unit) It is used to control elect...

7 comments posted 20yrs

posted by justme

7 comments posted 20yrs posted by justme

Car alternator as R/C engine dyno?

Just wondering whether there is any merit in the idea of using an old car alternator as a dynamometer for petrol powered...

8 comments posted 20yrs

posted by chinsta00

8 comments posted 20yrs posted by chinsta00

Need Help to Identify a part please

Hi, is there anyone out there that can identify this part please or point me in the direction to get more info, I am ch...

1 comments posted 20yrs

posted by prolater_

1 comments posted 20yrs posted by prolater_

PC Case Mod fan help

My nephew is making himself a custom case for a PC. On one end he has a 12V car radiator fan to use for cooling. We are...

8 comments posted 20yrs

posted by grenge

8 comments posted 20yrs posted by grenge

Lithium ion battery recharging ( Camcorder)

Is it ok to top these batteries up, or do you need to run them dry before recharging again ? Thanks

3 comments posted 20yrs

posted by thommo56

3 comments posted 20yrs posted by thommo56

SMD transistors

Just wondering if anyone knew of a comparison/substitue chart for regular transisters and surface mount devices. I'm tr...

2 comments posted 20yrs

posted by r

2 comments posted 20yrs posted by r

Battery charging contact ideas for H/H device

Hello, I am working on a hand held device containing a rechargeable battery. When not in use, the device will be placed...

10 comments posted 20yrs

posted by agw

10 comments posted 20yrs posted by agw

Detecting the original pitch of the human voice

Suppose you have a recording of a human voice singing a song. The recording has been sped up or slowed down, such that...

5 comments posted 20yrs

posted by

5 comments posted 20yrs posted by

Triac Snubber shows is has voltage in OFF state!

Hi , I have designed and made a triac switch , to turn ON and OFF a 3-speed AC motor that works with 220VAC. with tree...

1 comments posted 20yrs

posted by hojabri

1 comments posted 20yrs posted by hojabri

Dvd recorder running all day ( is this ok )

I have a Dvd recorder with built in HD, but my foxtel digital runs through it. My mum watches Foxtel all day long, will...

2 comments posted 20yrs

posted by thommo56

2 comments posted 20yrs posted by thommo56

SMS controller.

Greeting group. I have used a Silicon Chip SMS controller with an alarm system controlled by a time switch. I programme...

6 comments posted 20yrs

posted by rg26ce1991

6 comments posted 20yrs posted by rg26ce1991