Hobby Electronics Basics

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Solar panel

Hi, I have a solar panel which generates a max of 2W out. Would it be possible to trickle chargle batteries of a higher...
5 comments posted 21yrs
posted by totalharmonicdistortion
5 comments posted 21yrs posted by totalharmonicdistortion

Datalogger and Mixed Analog and Digital Inputs

I'd like to make a datalogger for several sensors. Most of the sensors are analog and I know I will need an A to D conv...
3 comments posted 21yrs
posted by tom_mort
3 comments posted 21yrs posted by tom_mort

Multi layer PCB board question

What are the typical methods for determining how many layers a PCB board is. Like after you take something apart and se...
4 comments posted 21yrs
posted by rspinks1
4 comments posted 21yrs posted by rspinks1

Hardware watchdog

Sorta discussed before, but I have more to go on now. These are systems already deployed with a 5vdc Single Board compu...
1 comments posted 21yrs
posted by rwskinnerATawesomenetDOTnet
1 comments posted 21yrs posted by rwskinnerATawesomenetDOTnet

Crossover firewire cable

There are two types of firewire cables: Straight-through and crossover. Which one is the most common and what are they f...
6 comments posted 21yrs
posted by NoSpam-LiZhiQiang1
6 comments posted 21yrs posted by NoSpam-LiZhiQiang1

pcb prototype house that ships usps

Anyone know a PCB prototype manufacturer that will ship by USPS mail? Everyone Ive tried wants to do next day fexex or u...
1 comments posted 21yrs
posted by willis
1 comments posted 21yrs posted by willis

Soldering 101 and/ or beginning Electronics DVD's?

Hi, I have a young daughter and son that I would like to get interested in electronics plus hone my skills as well. I h...
9 comments posted 21yrs
posted by n.caruso
9 comments posted 21yrs posted by n.caruso

Scott-T and 2 Phase

Greetings, I was gathering information on the Scott-T transformation when I ran across this discussion: http://www.inte...
0 comments posted 21yrs
posted by aaawelder
0 comments posted 21yrs posted by aaawelder

Basic Adivce/tutoring sought

Greetings all I hope I make sense, as I'm seeking some guidance through this, please. I'm trying to get to grips with s...
16 comments posted 21yrs
posted by brif8
16 comments posted 21yrs posted by brif8

Sample and Hold Analog Voltage

I am designing an electronic interface to SCADA. The SCADA typically takes 4-20 mA input for logging data to a central...
7 comments posted 21yrs
posted by aman.bindra
7 comments posted 21yrs posted by aman.bindra

Membrane Switches

Hello, I am developing a gadget that will have a membrane switches keypad. Has any of you dealt with companies that mak...
8 comments posted 21yrs
posted by titani
8 comments posted 21yrs posted by titani

newbie question

I'm just starting and having trouble with basic terminology. Can anyone tell me what the term is for the connector shown...
8 comments posted 21yrs
posted by csroman
8 comments posted 21yrs posted by csroman

Matrix Keypads

Hi, I was just given a 4x3 Matrix Keypad for a project. It did not come with a data sheet. The wierd this is that it ha...
3 comments posted 21yrs
posted by chinpen
3 comments posted 21yrs posted by chinpen