Hobby Electronics Basics

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Mini FM Transmitter

I need a mini FM transmitter that can transmit up to 100 yards or more. Anyone have an idea where I can get the plans fo...
2 comments posted 21yrs
posted by abel6479
2 comments posted 21yrs posted by abel6479

alkaline versus NiCd or NiMH battery

I bought a cordless mouse that takes 2 AAA batteries. I found that these wear out after about 2 weeks and want to get r...
5 comments posted 21yrs
posted by patrickpdk
5 comments posted 21yrs posted by patrickpdk

Crystal frequency for PIC

Hi all, I'm confused as how to choose a proper frequency crystal for my PIC uC like....16f84a,f628,f877 and so on... I...
7 comments posted 21yrs
posted by nospam4u_jack
7 comments posted 21yrs posted by nospam4u_jack

Calculating voltage based on schematic

So, I know that this is basic electronics, but I'm still a neophyte, so I need to ask. I need to learn to calculate the...
13 comments posted 21yrs
posted by hamish_grant
13 comments posted 21yrs posted by hamish_grant

Curious about USB

Just for curiosity, how big a pain in the patoot is it to build a custom device of some kind with a USB interface on it...
1 comments posted 21yrs
posted by tom.horsley
1 comments posted 21yrs posted by tom.horsley

AF SINADMETER

This is used as Test and Measuring instrument. Any can throw light on this instrument, Use, availabality? kitty
2 comments posted 21yrs
posted by bgkmurthy
2 comments posted 21yrs posted by bgkmurthy

Motor controller as power supply?

I was wondering if I could use a 120v AC to dc motor controller as a variable power supply for a project? The controlle...
2 comments posted 21yrs
posted by wanton
2 comments posted 21yrs posted by wanton

Meter To Measure Current / Calculator Suggestions

I have been looking at a new meter to measure current. I wanted another method to measure instead of moving cables back...
11 comments posted 21yrs
posted by james.douglas
11 comments posted 21yrs posted by james.douglas

Plasma or LCD?

What's the latest poop on wide screen hdtv's? I heard Plasma's burn out fast. LCD's seem to cost more now than plasma....
3 comments posted 21yrs
posted by Rodneykelp605
3 comments posted 21yrs posted by Rodneykelp605

Tolerance rule for serial/parallel Caps?

Easy question.... What is the overall tolerance of capacitors in serial and parralel ? for instance, if I have two 10%...
2 comments posted 21yrs
posted by royalmp2001
2 comments posted 21yrs posted by royalmp2001

Remote USB switch

I have a high speed USB v2 widget which is a distance from my PC. I also run different O/S (i.e. Linux) which don't lik...
3 comments posted 21yrs
posted by grahame9
3 comments posted 21yrs posted by grahame9

A little help with some basic calculus

Okay, this is a homework problem, but I'm middle-aged and already have my B.A., and just returning to school to pick up...
2 comments posted 21yrs
posted by null
2 comments posted 21yrs posted by null