Hobby Electronics Basics

The ASOD Absolute Silence Of Death; Dead Mother Board or Something Else

The Dell Studio PC is dead. I tried to turn it on and got _nothing_ except the yellow green LED on the power supply whi...

6 comments posted 10yrs

posted by bretcahill

6 comments posted 10yrs posted by bretcahill

Brushless three phase controller bypassed on full throttle?

As far as I know, bypassing the controller when using two power wires on a brushed cordless drill just means connecting...

3 comments posted 10yrs

posted by always.look

3 comments posted 10yrs posted by always.look

What happened to the boat anchor manuals archive?

For a couple of days now, bama.edebris.com has been unreachable. I hope it hasn't died... edebris.com is still a valid D...

4 comments posted 10yrs

posted by whit3rd

4 comments posted 10yrs posted by whit3rd

C122D1 pinout?

Moto SCR C122D1?s datasheet lacks pinout: http://www.alldatasheet.com/datasheet-pdf/pdf/92631/MOTOROLA/C122D1.html This...

4 comments posted 10yrs

posted by not

4 comments posted 10yrs posted by not

Why does this breaker pop?

I run my shop from a rotary phase converter and this setup has been trouble free for years. Then a couple years ago I b...

10 comments posted 10yrs

posted by etpm

10 comments posted 10yrs posted by etpm

Is this common for a brushless motor controller?

https://farm1.staticflickr.com/659/21083853371_334b03da77_b.jpg It has five data/signal outputs from the controller to...

23 comments posted 10yrs

posted by always.look

23 comments posted 10yrs posted by always.look

Rudimentary PC USB oscilloscope?

My main question is about PC USB-based oscilloscopes. The rest of this is specific to my problem(s) and may be overlook...

20 comments posted 10yrs

posted by always.look

20 comments posted 10yrs posted by always.look

IDFT transform

If we have DFT coefficients, we can reconstruct the signal by using IDFT transform. Read more: http://www.cirvirlab.com...

0 comments posted 10yrs

posted by pchung705

0 comments posted 10yrs posted by pchung705

Parallel R-C circuit impedance

It is obvious that with signal frequency increase, impedance of parallel R-C circuit decreases, since impedance of the...

0 comments posted 10yrs

posted by pchung705

0 comments posted 10yrs posted by pchung705

OT: Arizona Style

...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Sy...

11 comments posted 10yrs

posted by To-Email-Use-The-Envelope-Icon

11 comments posted 10yrs posted by To-Email-Use-The-Envelope-Icon

OT: Firefox Question

In Firefox, Is there a way to block videos from automatically loading when you access a page? ...Jim Thompson -- | Jame...

8 comments posted 10yrs

posted by To-Email-Use-The-Envelope-Icon

8 comments posted 10yrs posted by To-Email-Use-The-Envelope-Icon

Overcharging NiMh batteries?

My neighbor has a solar powered outdoor decoration light that cycles through several colors but only runs for maybe an...

3 comments posted 10yrs

posted by bperryb

3 comments posted 10yrs posted by bperryb

OT: Goodbye to the American Dream

Goodbye to the American Dream... Thanks to Obama... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations...

33 comments posted 10yrs

posted by To-Email-Use-The-Envelope-Icon

33 comments posted 10yrs posted by To-Email-Use-The-Envelope-Icon

Mux / demux on wireless audio

Hi all, I'm looking for some starting direction on a new audio-art project. What I have already: - 1 wireless audio tra...

7 comments posted 10yrs

posted by c.difficile

7 comments posted 10yrs posted by c.difficile

Low Alternator Output In the Desert Heat

Everything is OK when the headlights and blower are off on hot summer days and everything is OK on cool winter nights w...

11 comments posted 10yrs

posted by bretcahill

11 comments posted 10yrs posted by bretcahill