microcontroller project

[ali ghafoor]

hi!
i have chosen "automatic temperature controlled fan" as my project......i have to work with ATMEl 8051 microcontroller.......i know assembly language very wel!!
but know nothing about hardware and interfacing....plz help me out...give some basic idea..some layout..from where should i start???

 

[atulaxc]

First start with reading 8051 datasheet. Its a good source of the interface specs.

 

[klystron]

Try the tutorial at this URL **broken link removed**

 

[kandhu26]

You need one Temperature Sensor [Better go with LM35 {Since it is cost effective}] with ADC as a input for controller and output you can have opto isolator with triac..