Hobby Electronics Basics

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Ceramic Cap Ripple Current

I'm looking at this cap: http://search.digikey.com/us/en/products/GMK316F106ZL-T/587-1352-2- ND/930704 The only thing t...
6 comments posted 14yrs
posted by tim
6 comments posted 14yrs posted by tim

Curious to know ?

When I dismantled the battery pad, I noticed there were spot welded on to the nickel plate on the battery terminal. Thi...
7 comments posted 14yrs
posted by mowhoong
7 comments posted 14yrs posted by mowhoong

Projector

OT ? But you tech guys probably have some good suggestions. I don't need some biased sales person telling me anything....
3 comments posted 14yrs
posted by nospam
3 comments posted 14yrs posted by nospam

Coils

I've wanted to check out some things using big coils - not the sort used for RF circuits, but large coils such as might...
35 comments posted 14yrs
posted by chiron613
35 comments posted 14yrs posted by chiron613

USB FT232

Hello, I'm using the usb FT232 in VCCIO 1.8V mode . But I need to add a resistor between VCCIO and GND to have a VCCIO
1 comments posted 14yrs
posted by emmanuel.said
1 comments posted 14yrs posted by emmanuel.said

orcad

I am new to PSpice and OrCAD. I have a school project that requires making a circuit board. I don't need to simulate it...
1 comments posted 14yrs
posted by kellrobinson
1 comments posted 14yrs posted by kellrobinson

LEDs in parallel

I understand the points about calculating the series resistance for an LED and the battery voltage, and about using a s...
190 comments posted 14yrs
posted by a24061
190 comments posted 14yrs posted by a24061

Typical ESR values

I'm a hobbyist who doesn't have an ESR meter or (usually) a choice of specific capacitor models and I'd like to have so...
60 comments posted 14yrs
posted by Dishum
60 comments posted 14yrs posted by Dishum

Differential Probe

Hi , I need to measure 800 volts peak to peak. I am using the following scope with 300 V RMS spec. mentioned at the fro...
18 comments posted 14yrs
posted by walravenmelissa
18 comments posted 14yrs posted by walravenmelissa

Moving an observatory dome

Back to my domed observatory. I brought up this topic here around 12/12, and at one point directed the thread to a user...
16 comments posted 14yrs
posted by wolftracks
16 comments posted 14yrs posted by wolftracks

Cap values

So I see an online schematic with a cap of value ".001" What are the default units? Microfarads ( uf )? Here's the sche...
10 comments posted 14yrs
posted by lcargill99
10 comments posted 14yrs posted by lcargill99

HOJO Motor

Has anyone seen one of these actually work ? There are many people who say they work but no one has ever seen a working...
15 comments posted 14yrs
posted by sparky12x
15 comments posted 14yrs posted by sparky12x

Remote Light Switch

I got this from eBay, but it doesn't seem to want to do much. Could anyone please decode what the instructions are sayi...
6 comments posted 14yrs
posted by none
6 comments posted 14yrs posted by none

TV/DVR Tuner question

Disagreement with son-in-law. In a typical setup (Dish or Direct TV TIVO) does the DVR have two tuners - = or - is ther...
6 comments posted 14yrs
posted by ivanvegvary
6 comments posted 14yrs posted by ivanvegvary