Hobby Electronics Basics

  1. Home
  2. Hobby Electronics Basics
9387 Threads Posts
to

Worth reading in Hobby Electronics Basics

charge motion?

when a current is flowing trought a circuit the electric charge which moves are only negative types or even positive ch...
1 comments posted 21yrs
posted by miscura
1 comments posted 21yrs posted by miscura

How dead can a battery get?

As part of my continuing hacking on my silly cell phone ring notifier (http://home.att.net/~Tom.Horsley/phonetale/markI...
3 comments posted 21yrs
posted by tom.horsley
3 comments posted 21yrs posted by tom.horsley

power supply and transformers

I am having difficulty defining a transformer and a power supply. What is the difference between a power supply and a tr...
1 comments posted 21yrs
posted by genenamg
1 comments posted 21yrs posted by genenamg

Video Card

Someone told me that there's a PC Video card which has provisions for probe input in order to simulate an oscilloscope...
0 comments posted 21yrs
posted by corcat
0 comments posted 21yrs posted by corcat

LM3915 as LED fuel gauge?

I want toadd a set of gauges to my fuel management system. It will require one for each tank and 3 standard gauges take...
2 comments posted 21yrs
posted by gashmore
2 comments posted 21yrs posted by gashmore

lookinf for OmniVision CCD

Please, where can i buy a single OmniVision CCD chips like OV3620, OV5610.... Thanks in advance. snipped-for-privacy@mai...
0 comments posted 21yrs
posted by ygmicro
0 comments posted 21yrs posted by ygmicro

Remove Spot weld

I have a rechargable drill that has some batteries that are bad. Id like to replace them. Inside the battery pack are 1...
7 comments posted 21yrs
posted by Trudeau
7 comments posted 21yrs posted by Trudeau

PIC questions

I'm switching over to PICs from Basic Stamps due speed, capacity, and price reasons. I've already purchased a semi-univ...
13 comments posted 21yrs
posted by dave.harper
13 comments posted 21yrs posted by dave.harper

help pls!! memory address decoder design

the question is Design a decoder for the following using a "138 decoder, NAND gates, and iinverters": a 1K memory is co...
8 comments posted 21yrs
posted by kelvin604
8 comments posted 21yrs posted by kelvin604

software for circuits

Are there any free/shareware or inexpensive (under $100) sofware packages that let you design circuits and analyze vari...
4 comments posted 21yrs
posted by lmcadmin
4 comments posted 21yrs posted by lmcadmin

Playstation 2 help sodering help

i have a playstation 2 and i put a mod chip in it and i have 5 more wires to wire but i don't know how to wire them bec...
1 comments posted 21yrs
posted by hall_hair
1 comments posted 21yrs posted by hall_hair

LED output help

I've looked at LED's and they're all rated in mcd. I need to find what the power is in mw, not mcd. How do I convert or...
1 comments posted 21yrs
posted by Ham
1 comments posted 21yrs posted by Ham

more details on infrared leds

hey guys thanks for all those ideas but i am really interested to do this with infrared leds (low budget) so any recomme...
1 comments posted 21yrs
posted by gaurav.patil
1 comments posted 21yrs posted by gaurav.patil

Bluetooth SoC

A partner and me are implementing bluetooth on a set of autonomous robotics. We already have factored in the limited di...
1 comments posted 21yrs
posted by musclefreak
1 comments posted 21yrs posted by musclefreak