Hobby Electronics Basics

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Computer wire for speakers question

I purchased an extension cable (wire) for my computer speakers. My speakers are in my bedroom next to the computer room...
6 comments posted 19yrs
posted by tombates
6 comments posted 19yrs posted by tombates

Opamp offset voltage problem

Hi! I want to measure the offset voltage of an opamp. First, I configure the opamp in an unity gain buffer and measure...
3 comments posted 19yrs
posted by amy_burton2007
3 comments posted 19yrs posted by amy_burton2007

Eb/N0

I was just wondering if anyone knows what technique most modems use to compute their Eb/N0. Thank you.
1 comments posted 19yrs
posted by bob
1 comments posted 19yrs posted by bob

Which test equipments must have?

I have lots of spare time after work and little spare money. I wish I make big money. :-( I plan to get my hands dirty...
7 comments posted 19yrs
posted by k2.mountain
7 comments posted 19yrs posted by k2.mountain

How To Convert DC panel meter to read AC AMPs?

I have beautiful DC panel meters that currently reads 0-5Volts DC by using an in-series resistor. I want to use this me...
11 comments posted 19yrs
posted by drew.wolff
11 comments posted 19yrs posted by drew.wolff

fluid level

hi all, could you pls help with a small fluid level sensor that keeps the pump on all the time see below link aprox 1/2...
4 comments posted 19yrs
posted by martinjsto
4 comments posted 19yrs posted by martinjsto

KIPA mixer kit

I bought the referenced mixer kit on eBay. The vendor knows nothing technical and has not been helpful in communicating...
3 comments posted 19yrs
posted by cprstn54
3 comments posted 19yrs posted by cprstn54

Strange ATmega16 operation

Can you help me guys I made a circuit witch should control leds. Software on Atmega16 is keeping led on on the bin 1 (P...
5 comments posted 19yrs
posted by kinnunen.jmk
5 comments posted 19yrs posted by kinnunen.jmk

compass heading

I've been looking for a cheap electronic compass. I've found these sensors: Does anyone know of any handy PIC-type circ...
2 comments posted 19yrs
posted by yan
2 comments posted 19yrs posted by yan

What is the smallest voltmeter?

I'm looking for the very smallest -- panel mount -- LCD voltmeter. My Google searches have been dissapointing. The smal...
21 comments posted 19yrs
posted by sorry
21 comments posted 19yrs posted by sorry

Resistor power rating

Hi, I'm wondering if there's some sort of a chart or reference to find out what kinda package is needed for what kind o...
5 comments posted 19yrs
posted by goister
5 comments posted 19yrs posted by goister

a PCB using a layout software

Hello folks! I am about to desing a PCB using a layout software which consists of an embedded system with a PIC core. I...
4 comments posted 19yrs
posted by chaudhari.chetan
4 comments posted 19yrs posted by chaudhari.chetan