Hobby Electronics Basics

how do I combine two 240VAC circuits in parrellel on a mter base to register KWH

I am installing an Enphase inverter system with more than 17 panels (one circuit = 17 modules)we have 13 on one circuit...

2 comments posted 10yrs

posted by Henry Rentz

2 comments posted 10yrs posted by Henry Rentz

Recommending a free online electronic circuit design software

https://easyeda.com/? A full suite schematic and PCB design softwar e/manufacturing service that?s free to use and offe...

0 comments posted 10yrs

posted by selina

0 comments posted 10yrs posted by selina

UPS with 12V output

Hello, I have quite a lot of devices that works at 12 or 5V (router, eth. switch, raspberry, etc.). Everyone has is own...

8 comments posted 10yrs

posted by jack4747

8 comments posted 10yrs posted by jack4747

1 Micron Antenna for Solar Power

I always wondered why you couldn't do this: http://nextbigfuture.com/2015/09/solar-cells-will-be-made-obsolete-by-3d.htm...

5 comments posted 10yrs

posted by bretcahill

5 comments posted 10yrs posted by bretcahill

Power Required To Draw Down All 7 of the 7 Seas

"Who gave us the stomach to drink up the ocean?" -- Nietzsche This is another interesting back of envelope calculation:...

5 comments posted 10yrs

posted by bretcahill

5 comments posted 10yrs posted by bretcahill

Refrigeration To Reduce Battery Size / Overall Energy Storage Costs

90% of the electric bill in the desert at this time of the year is HVAC. The rest of the house doesn't need so much pow...

29 comments posted 10yrs

posted by bretcahill

29 comments posted 10yrs posted by bretcahill

OT Lipo battery charger

So my son is into RC... He's bought some old RC cars back to life and watns to run them with new Lipo batteries. We are...

1 comments posted 10yrs

posted by gherold

1 comments posted 10yrs posted by gherold

Banana plugs and jacks

OK this is a silly question. You've got banana plugs and jacks... which is the female and which male. (I can find it bot...

18 comments posted 10yrs

posted by gherold

18 comments posted 10yrs posted by gherold

Looking for a tube only radio or radio kit

Looking for a tube only radio or radio kit AM or FM or AM FM More than standard broadcast range is desirable.

15 comments posted 10yrs

posted by Dan

15 comments posted 10yrs posted by Dan

Fan Test

Hi, The following Fan was used in several of our prototype systems http://www.mouser.com/ds/2/471/San_Ace_92LG25_E-5417...

9 comments posted 10yrs

posted by jsscshaw88

9 comments posted 10yrs posted by jsscshaw88

OT: Rear/Back-up Camera

I'm trying to find specifications for... Toyota SU003-05965 rear-camera My son is adding it to his monster truck, think...

4 comments posted 10yrs

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

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

FLOSS - [tlnomiva] : Transmission Line Nominal Values

[tlnomiva] : Transmission Line Nominal Values without Tolerance - from Cable Specifications and Technical Data Sheets :...

0 comments posted 10yrs

posted by pez

0 comments posted 10yrs posted by pez

Name of widget to control amps?

Hello, This is the "Basics" group, and yeah, I have a question that's most definitely basic... I want to purchase a sma...

47 comments posted 10yrs

posted by em

47 comments posted 10yrs posted by em

Schematic symbol?

What is it? http://imgur.com/8tDq622 Thanks.

4 comments posted 10yrs

posted by not

4 comments posted 10yrs posted by not

Littlefuse Spec Error

Summary The specification for " i^2 t " has units of Amps squared times seconds. Th ere is a spec to test fuse blowing...

3 comments posted 10yrs

posted by omnilobe

3 comments posted 10yrs posted by omnilobe