Resolution of ICL7106



thanks pdi,so that means i have to use 12bit ADC to match accuracy of 7106

... Read Compelte post
Other Tags: adc   accuracy   
Posted by nischay kumar on Sat Aug 09 2008, 05:41 AM

PWM using PCA in AT89C51CC01

you first have to know how ADC works..

you can get some basic information about ADC here:
http://www.8051projects.net/adc-interfacing/introduction.php

Now ADC converts analog to an equivalent digital value. This digital value is measure of steps taken by ADC to reach that analog level. each step of adc provides the resolution of that ADC. if ADC is an 8-bit resolution so it has 255 steps, 10bit ADC h... Read Compelte post
Posted by ajay_bhargav on Mon Aug 16 2010, 06:07 PM

MAX192 ADC schematics?

well ..
it is generally preferred not to connect VREF to VDD.

mostly in case of sensitive ADC application u either use two separate power supplies... for Analog and digital sections or simply isolate digital ground from analog ground.

but if it is just an experiment... just add a variable resistor/pot (small value) between VDD and Vref.
u are also supposed to add a zero ohm impedance between your... Read Compelte post
Posted by shyam on Sat Aug 09 2008, 03:59 PM

MAX192 ADC schematics?

I'm using a Dallas 8051 (DS89C450) for my microcontroller project and it's working fine with serial and a LCD, but now I want to add a MAX192 seriel ADC to it. I have a rough idea of how to write the software for it, but I'm not sure on how to connect it to my board. (I'm a programmer, not an electrical engineer )

At the moment I use Port1 for the LCD and three pins on P3 to control the LCD. Port ... Read Compelte post
Posted by TB on Sat Aug 09 2008, 11:50 AM

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ExperimenterUK
Mon Dec 03 2018, 06:17 PM
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Mon Dec 03 2018, 07:43 AM
help!me!
help! I don't understand busy flag!
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ile
hello
Mon Nov 12 2018, 06:58 AM
Pavan_user
i have seen your replica of I2C programming using AT89C51 but i am unable to understand the "ack_bit" variable usage ...looks like it is always 1...can you elaborate how acknowledgment is working....
bgk3678
Tue Nov 06 2018, 03:36 PM
kindly any one give solution for my problem
ExperimenterUK
Mon Nov 05 2018, 10:48 PM
Pins high is the normal state. You need a program to set them low
mayengbam
Sun Nov 04 2018, 06:41 PM
hello, i am niranjoy, alll the port of my 8051 is always high, even i erase all the program. why is it so happen and what is the problem. any one please help me!
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BASAVARAJ g kudamble
hi I am interfacing GSM 300 to 8051 microcontroller to receive message from mobile
ExperimenterUK
Sat Sep 29 2018, 07:28 PM
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Sat Sep 29 2018, 12:26 PM
Ashfaq Ch
hi i have some AT89C51RC microcontrollers already programed. some one help us to how to download from AT89C51RC and after study and edit all corractions reload to AT89C51RC controller

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