Hobby Electronics Basics

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DC-Motor Control

What is the best way to control the speed of a small DC motor?(or some suggestions)
6 comments posted 19yrs
posted by adrian.galindo
6 comments posted 19yrs posted by adrian.galindo

PWM

Can anybody tell me how to make a simple PWM?
7 comments posted 19yrs
posted by adrian.galindo
7 comments posted 19yrs posted by adrian.galindo

Circuit Design Help Needed - Calculation Circuit

Hi all, I'm not very good with electronics yet, but I have an application which I wish to build myself and hopefully le...
12 comments posted 19yrs
posted by sstrik
12 comments posted 19yrs posted by sstrik

differential amp

If you had, say, a current sensing resistor in the top rail, could you use a circuit like this: (view in monospace font...
9 comments posted 19yrs
posted by kellrobinson
9 comments posted 19yrs posted by kellrobinson

NEW free project -Electronics KEY-

-- *** YOUR ELECTRONICS OPEN SOURCE *** http://dev.emcelettronica.com;-------------------------------------------------...
0 comments posted 19yrs
posted by emcelettronicaNOSPAM
0 comments posted 19yrs posted by emcelettronicaNOSPAM

Electronic ballast/ electronic choke

Can I get the complete circuit for electronic ballast with list of components for 220 to 240 ,50 Hz v input?
1 comments posted 19yrs
posted by spalamwar
1 comments posted 19yrs posted by spalamwar

Tools for desoldering?

I'm not very skilled with soldering but I have a bunch of components I need to replace. I have a solder pump and copper...
19 comments posted 19yrs
posted by hamad
19 comments posted 19yrs posted by hamad

AC speed control: shaded pole motor

Let's say I have a shaded pole motor, which controls a blower fan (basically a bathroom vent fan). Let's say I have a 1...
2 comments posted 19yrs
posted by mrdarrett
2 comments posted 19yrs posted by mrdarrett

Audio Amplifier Problems

Please Help Me! I have a few amplifiers that i am having problems with and i need to determine if the amplifiers are ba...
40 comments posted 19yrs
posted by david
40 comments posted 19yrs posted by david

IP2 Test Procedure?

I've been told to perform a test on a 2.4GHz radio front end (LNA and filters). While I've done many IP3 tests, I'm not...
2 comments posted 19yrs
posted by billcalley
2 comments posted 19yrs posted by billcalley

mosfet? transistor? hexfet?

When would one use a transistor? mosfet? hexfet? Basically looking into PWM switching of medium-sized DC motors (12V, ~...
11 comments posted 19yrs
posted by mrdarrett
11 comments posted 19yrs posted by mrdarrett

Embedded Development Tools

Hello, Here is our web site www.ezEmbedded.com for your reference and I am very happy to assist you on your project. Pl...
0 comments posted 19yrs
posted by ezembedded
0 comments posted 19yrs posted by ezembedded

Simple PWM Circuit for motor control

I need a simple PWM circuit to control a motor from my microprocessor, I found this one: http://home.cogeco.ca/~rpaisle...
9 comments posted 19yrs
posted by james_w_costello
9 comments posted 19yrs posted by james_w_costello

Appliance Output per Hour

Hi there- I'm hoping someone can help me. I'm thinking of purchasing a space heater with the following ratings Amps - 1...
12 comments posted 19yrs
posted by fingerson88
12 comments posted 19yrs posted by fingerson88

No-op microprocessors

As all microprocessor instructions finally boils down to 0/1 through output pins. This means that we can build a microp...
9 comments posted 19yrs
posted by vijayakumar.subburaj
9 comments posted 19yrs posted by vijayakumar.subburaj