Electronics Design

Computer interface to a multi-device IR remote control (or functional equiv)?

In an attempt to have one remote control to control a suite of devices (TV, cable box, AVS, etc.) I got a logitech harm...

4 comments posted 5yrs

posted by jjhudak4

4 comments posted 5yrs posted by jjhudak4

Procedure for inverse Laplace transformation to calculate periodic switch-on processes

Hi, The calculation of switch-on processes according to Laplace often involves the problem of transforming back into th...

72 comments posted 5yrs

posted by ib

72 comments posted 5yrs posted by ib

Phil - SAV551

I built my triggered SAV-551 Colpitts oscillator, at 130 MHz. You recommeded using a gate resistor, so I used 4.7 ohms...

18 comments posted 5yrs

posted by jlarkin

18 comments posted 5yrs posted by jlarkin

Re: OT: Should we avail the coronavirus VACCINE to other countries?

John Doe wrote in news:ru80ja$jru$2@dont- email.me: > I was wondering where this hyperactive troll was. > You are an ab...

0 comments posted 5yrs

posted by DecadentLinuxUserNumeroUno

0 comments posted 5yrs posted by DecadentLinuxUserNumeroUno

White House In Danger Of Imminent Collapse, First Family Evicted

Should have been the headlines in 1949 but it was kept secret. Apparently 1 8th century architectural practice was unaw...

1 comments posted 5yrs

posted by bloggs.fredbloggs.fred

1 comments posted 5yrs posted by bloggs.fredbloggs.fred

Using Bats To Burn Down the House

Experimental WW2 project used bats carrying a small napalm incendiary actuated by delay timers to burn down Japan. The...

7 comments posted 5yrs

posted by bloggs.fredbloggs.fred

7 comments posted 5yrs posted by bloggs.fredbloggs.fred

Re: OT: Superglue tip

>I've been using this method for about two years. >To clean the tip, use Kleenex or Puffs with lotion. >No tissue build...

27 comments posted 5yrs

posted by jeffl

27 comments posted 5yrs posted by jeffl

tiny table saw

https://www.micromark.com/MicroLux-Miniature-Table-Saw_2?gclid=EAIaIQobChMImur9uYG47gIVCtvACh1N3gSxEAQYASABEgJOhPD_BwE...

23 comments posted 5yrs

posted by jlarkin

23 comments posted 5yrs posted by jlarkin

Robust voltage regulator

Hi, I need a 5V voltage regulator with no fancy regular-mode electrical requirements. The load current will be below 10...

21 comments posted 5yrs

posted by peter.pan

21 comments posted 5yrs posted by peter.pan

What is this module?

https://www.ebay.pl/itm/Vintage-Ferrite-Magnetic-Core-Memory-module-Large-CORES-Military-USSR/233357862763 It is descri...

7 comments posted 5yrs

posted by peter.pan

7 comments posted 5yrs posted by peter.pan

San Francisco voters pass 'Overpaid Executive Tax'

I had no idea overpaid CEOs could be so damaging to society. Well thank goo dness San Francisco has found the answer: R...

80 comments posted 5yrs

posted by bloggs.fredbloggs.fred

80 comments posted 5yrs posted by bloggs.fredbloggs.fred

OT Slate star codex is back.

With a different name. https://astralcodexten.substack.com/p/still-alive I liked this linked opinion piece about NYT. ht...

14 comments posted 5yrs

posted by ggherold

14 comments posted 5yrs posted by ggherold

UHF Bowtie Antenna design

Looking at all the designs of 4 bay bowtie antennas on-line for sale and diy designs, Can someone explain why on the 4...

3 comments posted 5yrs

posted by sidwelle

3 comments posted 5yrs posted by sidwelle

WOW I just discovered something about Windows 7

I was attempting to change the volumen... I see this volume icon on the + key of the keypad. So I tried it: windows key...

12 comments posted 5yrs

posted by skybuck2000

12 comments posted 5yrs posted by skybuck2000

COVID Can Cause Forgetfulness, Psychosis, Mania or a Stutter

The virus induces neurological symptoms that persist long after the pandemi c ends Incidence of insanity is expected to...

25 comments posted 5yrs

posted by bloggs.fredbloggs.fred

25 comments posted 5yrs posted by bloggs.fredbloggs.fred