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These posts by Ajay Bhargav have received thanks:

Atmel 89c51 based ULTRASONIC DISTANCE METER

Forum -> Project Help

programming you have to do, circuit for reference you can use this one..

http://www.best-microcontroller-projects.com/pic-sonar.html
and
...

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Posted by Ajay Bhargav on Thursday 18 March 2010 - 13:09:20

[SOLVED]No output on LCD screen of green bee project.

Forum -> Project Doubts

Gaurav i already replied you.

open datasheet of HIH sensor, and there are only 3 pins -ve, o/p and +ve all goes to right place. there is a cap and resistance between -ve and o/p and +ve goes to VCC.

don...

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Posted by Ajay Bhargav on Tuesday 16 March 2010 - 08:43:32

humidity not display on the lcd>greenhouse

Forum -> Project Doubts

that does not clear anything...!!
explain more.

and go through this thread if you haven't yet.

http://www.8051projects.net/forum-t19498.html

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Posted by Ajay Bhargav on Tuesday 16 March 2010 - 08:33:16

webcam interfacing with microcontroller

Forum -> General help Guidance and Discussion

which architecture? i mean 8051/PIC/AVR/ARM?

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Posted by Ajay Bhargav on Sunday 14 March 2010 - 06:00:35

starting of green bee

Forum -> Project Doubts

left most is GND,

center is o/p, there is a 100K resistance and capacitor (47uF) between O/p pin and GND.

right most is VCC.

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Posted by Ajay Bhargav on Sunday 14 March 2010 - 05:56:05

ADC 0804 --> MICr 8051--> Hyperterminal

Forum -> 8051 Discussion Forum

remove

mov IE,#90H

from your serial_init routine and try code again. your program might be crashing in middle as ISR for serial is not defined.

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Posted by Ajay Bhargav on Wednesday 10 March 2010 - 11:55:57

need help to write code for 8051

Forum -> 8051 Discussion Forum

I know my C tutorial is not very friendly but give you head start about Keil C, incase you are going to use keil for programming.

C is very simple its like writing your logic in words. try it. ask your...

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Posted by Ajay Bhargav on Wednesday 10 March 2010 - 11:22:23

Doubts Regarding Data acquisiton system

Forum -> Project Help

where you get that code from?

that array is for ascii conversion it has to be till 9.

that init serial is for serial port initialization.

usDelay is for generating clock.

have you tried code on hardware y...

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Posted by Ajay Bhargav on Wednesday 10 March 2010 - 10:58:36

how to use timer to create delay of 0.5 secs

Forum -> 8051 Discussion Forum

queen wrote ...

2) How to let the buzzer activates if both SW1 and SW2 are pressed .

use JB or JNB instructions to check if switches are pressed or not and use setb, clrb intruction to control buzzer.

tr...

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Posted by Ajay Bhargav on Monday 08 March 2010 - 04:46:44

need help to write code for 8051

Forum -> 8051 Discussion Forum

why not c? it would be simpler..

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Posted by Ajay Bhargav on Monday 08 March 2010 - 04:14:01