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Moderators: Ajay, junied, abbas1707, Arun Kumar V, pdi33, Shailesh NAYAK, ۞ TPS ۞, shyam, sashijoseph

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Rayman

Sat May 10 2008, 06:55PM

Registered Member #7761

Joined: Sat May 10 2008, 06:52PM

Posts: 2
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Hi everyone!

I am newbie here. What I need is create a project that can turn on and off light (220V) with microcontroler using PC. It is like small home automation but only for lights and electromotors. Can you explain me what do I need to do to do that, what microcontroller, how to make serial connection, how to make programmer (is serial connection same as programmer?) and how to make microcontroller turn on the light bulb (is it with relay?)..
I know how to make software but I need details on hardware. Is at89c51 good for that? I really need simplest solution and I hope you can help me.

abbas1707

Sat May 10 2008, 08:31PM

Registered Member #383

Joined: Thu Jan 25 2007, 08:07AM

Posts: 411
Thanked 61 times in 50 posts

you can do it with pc's parallel port.but if you want large distance or less wires, serial can be the choice.

pc-->microcontroller-->circuitry for deriving relays-->relays

you can use 89c2051...but this choice depends on number of outputs you want to have

A Thousand Miles Journey Starts With a Single Step.

Rayman

Sun May 11 2008, 12:20AM

Registered Member #7761

Joined: Sat May 10 2008, 06:52PM

Posts: 2
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I want just few outputs (not more than 8) and serial connection would be fine. Where to find schematics for programmer and serial connection?

sashijoseph

Sun May 11 2008, 01:52PM

Registered Member #5870

Joined: Mon Feb 04 2008, 06:26PM

Posts: 398
Thanked 80 times in 77 posts

It's better to use an ISP chip which can be programmed easily(with minimal hw).No point wasting time building a programmer or wasting money buying one.
Use AT89S51 with this programmer http://www.kmitl.ac.th/~kswichit%20/cheapcable/index.html
or a Philips P89C51RDxx (bit costly) which only requires a serial cable for programming.
As for the serial hw,we have it right here in the Tutorial section.
http://www.8051projects.net/serial-communication/introduction.php

Let there be music........


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۞ TPS ۞ | 03 Jul : 12:00

ajay there is a bug in site

caner | 03 Jul : 09:44

Thanks for the reply sashijoseph. My prject will be <2k for sure...I'm watching tutorial of Keil now(see, how to create a new project and other stuff)

sashijoseph | 03 Jul : 09:11

If you want it free use SDCC,else if your code will be < 2k,download an evaluation copy of Keil,else buy Keil.

caner | 03 Jul : 08:20

Hi everyone, i have a problem and need a fast response...I'm very good on PIC programming on "C", but i have a simple circuit and AT89C52 on it...I have to rewrite the code of it for personal usage, but i dont know which "C" compiler i should use...I can buy any compiler for this project...Please help

hi | 03 Jul : 08:15

test

pdi33 | 02 Jul : 20:42

u got it mike!

just type ur matter in chat box and then press O.K. button to send it.
but (to all the members):
Please post your queries in forum!

mark l | 02 Jul : 12:10

for a simpleton like me. what do these symbols exactly mean. OK Ok means send then OK. OK?

mark L | 02 Jul : 12:06

no a free one or website. this could be of interest to me

visitor | 02 Jul : 12:05

HiFolks from Liverpool ish. Okeydokey where do I go to to find out how to use labview with a PIC microcontroller?
Mark L

Anonymous | 02 Jul : 07:19

It's a kind request to all the members & visitors that if anyone knows the address in DELHI where i can get a GSM modem for interfacing it with mocrocontroller to send SMS to other mobile.........plz tell me the answer in this chatbox.....

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8051 Microcontroller Projects AVR PIC Microcontroller Projects Tutorials Ebooks Libraries, interfacing tutorials, lcd tutorial, stepper motor, dc motor 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems

8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems