Hobby Electronics Basics

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Analog To USB

Looking for a simple and inexpensive analog to USB hw module with sw drivers that I can code into. One or two channels....
11 comments posted 12yrs
posted by OldGuy
11 comments posted 12yrs posted by OldGuy

Benchtop Power Supply Options

Hello again, It is time for me to acquire a better bench top power solution. Most of the time I will use it to power a...
88 comments posted 12yrs
posted by guitardorkspamspameggsandham74
88 comments posted 12yrs posted by guitardorkspamspameggsandham74

car 12v phone chargers

Why do they take longer to charge than mt wall charger. The output of my wall charger is 5v. Seems like my car should be...
6 comments posted 12yrs
posted by ivanvegvary
6 comments posted 12yrs posted by ivanvegvary

Question on zero-crossing circuit

Hi all, I did a search the other day on zero crossing detector circuits and came across this nice one by Jim Thompson:...
70 comments posted 12yrs
posted by c.difficile
70 comments posted 12yrs posted by c.difficile

Some Might Find this Useful

https://dl.dropboxusercontent.com/u/29948706/reactres.jpg I think it's pretty neat, and for those who don't automaticall...
6 comments posted 12yrs
posted by jurb6006
6 comments posted 12yrs posted by jurb6006

ADC Selection

Hello, I have some questions on how to go about selecting an ADC for an application. I would like to take a voltage mea...
6 comments posted 12yrs
posted by panfilero
6 comments posted 12yrs posted by panfilero

Opamp resistor magnitude

I have a question about the magnitude of the two feedback resistors on opamps. I am familiar with how to determine the...
41 comments posted 12yrs
posted by gone_postal
41 comments posted 12yrs posted by gone_postal

VP2450 Spice Model

I'm behaviorally modeling a _system_ that includes the discrete device Supertex VP2450. At the Supertex/Microchip site,...
14 comments posted 12yrs
posted by To-Email-Use-The-Envelope-Icon
14 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

Behavioral Differential Pair

A Behavioral Differential Pair... "B_DIFF_PAIR.pdf" has been added to the Device Models & Subcircuits page of my websit...
0 comments posted 12yrs
posted by To-Email-Use-The-Envelope-Icon
0 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

OT: Career prospects in Electronics?

Hey guys, Frequent lurker, infrequent poster here. After almost two decades of doing IT-type work, I'm considering maki...
10 comments posted 12yrs
posted by guitardorkspamspameggsandham74
10 comments posted 12yrs posted by guitardorkspamspameggsandham74

Calculation power consumption metal halogen vs led

Hi. I need to make some basic power consumption calculation between 100W halogen and 20W LED (equal to 100W ). Test sam...
6 comments posted 12yrs
posted by nijePravi
6 comments posted 12yrs posted by nijePravi