Hobby Electronics Basics

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Transmitter

HI, I have been looking at Am and FM transmitter for a little while. I know about the theory of both, now I wanted to f...
8 comments posted 20yrs
posted by lerameur
8 comments posted 20yrs posted by lerameur

Measuring a Motor

Can you tell, by measuring things like voltage across a motor or the current it draws, how hard it's working and whethe...
11 comments posted 20yrs
posted by glhansen
11 comments posted 20yrs posted by glhansen

Just a question

When I was in the middle of the quagmire concerning my scooter batteries, someone mentioned that, in order to provide t...
5 comments posted 20yrs
posted by mea305
5 comments posted 20yrs posted by mea305

PIC18F A/D

Well, I must be missing something obvious in the docs. I can't get the ADC stuff working on my PIC18F2455. The simulato...
2 comments posted 20yrs
posted by randy.day
2 comments posted 20yrs posted by randy.day

VA rating and Watt

I was looking at UPS backups such as this: http://www.compusa.com/products/product_info.asp?product_code=50166649&Pn=Ba...
6 comments posted 20yrs
posted by bob
6 comments posted 20yrs posted by bob

Using a Device with Transformer

Recently, I sent a message to the group concerning a device that I will be using with our RV. It requires at least 20 A...
16 comments posted 20yrs
posted by mea305
16 comments posted 20yrs posted by mea305

Data logger using PDA - advice needed

Hi there I am looking for some advice as to where to start to put my iPaq 2200 to work as a datalogger. As a person wit...
5 comments posted 20yrs
posted by nickpashley
5 comments posted 20yrs posted by nickpashley

two 9v ac adapter with different mA's

Just curious if the mA output for an ac adapter makes a big difference if the voltage is the same? I have two 9v ac ada...
7 comments posted 20yrs
posted by no
7 comments posted 20yrs posted by no

AM Demodulation using MATLAB

Hey all, I am having some trouble with AM demodulation using MATLAB. I used the built-in MATLAB function butter to desi...
0 comments posted 20yrs
posted by farah727rash
0 comments posted 20yrs posted by farah727rash

waveform generator

I am playing around with the idea of building a budget waveform generator at present. Ideally I would like 3 types of b...
25 comments posted 20yrs
posted by mark
25 comments posted 20yrs posted by mark

+/- supply frm single chip

i m doin 1 project where i need 2 supply power 2 ADC AD677 ... i need +/- 5/12 volts..i want this all frm single chip in...
26 comments posted 20yrs
posted by aaryaluv
26 comments posted 20yrs posted by aaryaluv

PIC assembly language beginners questions

I am trying to build some projects with some pics. I am self taught, and think I know the hardware end and C programing...
6 comments posted 20yrs
posted by mrbgoogle
6 comments posted 20yrs posted by mrbgoogle

How do you compare product/price?

Hi all, I wonder if there is a fast way to shop and compare product/price for electronic components. For right now, I h...
0 comments posted 20yrs
posted by qhoc0011
0 comments posted 20yrs posted by qhoc0011

RF

Hi there I want to know about RF as below 1.what is radio frequency 2.How does we use RF 3. What is the frequency range...
5 comments posted 20yrs
posted by scbalachandran
5 comments posted 20yrs posted by scbalachandran

Use of power product with power source

In order to appreciate this 'story,' I have to explain a few things. First, we live in a Recreational Vehicle (we are o...
5 comments posted 20yrs
posted by mea305
5 comments posted 20yrs posted by mea305