Electronics Forum / Electronics / August 2008

My temperature adjustable (40 W) Micron soldering station was dead
when I tried to turn it on last night.  Fuse was OK.  But no other
sign of life  -- no front LED, no heating etc.
Not sure where to start looking but do the ceramic heating elements on

hi, i`m  trying to build a  bdm32 interface to program my saab trionic ecu ,
put the parts list is  for hc ttl ic`s , i have ls ttl ic`s , are these
interchangable ?
thanks,

hi,  is there anthing else i can use in place for a 1uf monolithic capacitor
? i`m building a diagnostic  adapter for a cars ecu , and the place where
i`m getting the parts dont seem to sell monolithic caps.
thanks,

Hello Experts,
This is my first time designing a SEPIC type switchmode power supply with
the LM3478MM from national as my controller.
My design is pretty much the standard application as shown in the datasheet.

Sorry this is slightly off-topic; please let me know
of any more suitable groups to which I should post this
question.
The manufacturer's website claims it can use all economy tariffs.

I'm installing a multi-part solar PV system to do a head-to-head test
of three different panels. I'll gang the panels into an AC inverter
that I already have, and drive a test load of four 100 watt light
bulbs. My installer wants to grid-tie and pay for the data collection

George W. Bush, Vladimir Putin, and Bill Gates were called in by G*d.
G*d informed them that he was very unhappy about what was going on in
this world. Since things were so bad, he told the three that he was
destroying the Earth in three days.

I have a manual video switch and a cable box with an IR output. I can
use Winlirc to read the codes from the cable box remote. Is there a
simple (with as little components as possible) way to "hack" my switch
to accept an IR cable and toggle one of the video inputs to an another