89s52 microcontroller function wikipedia

The Atmel AT89 series is an Intel 8051-compatible family of 8 bit microcontrollers ( Cs) manufactured by the Atmel Corporation.Based on the Intel 8051 core, the AT89 series remains very popular as general purpose microcontrollers, due to their industry standard instruction set, and low unit cost. This allows a great amount of legacy code to be reused without modification in new applications. While considerably less powerful than the newer AT90 series of AVR RISC microcontrollers, new product developmen ....etc

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LED Message Scrolling Board with completed circuit diagram and the microcontroller programming. Sometimes this LED scrolling message board is referred as LED Message sign board or led scroller or digital signage. It is generally used to generate or display advertising signs, school sign, restaurant signs, custom street signs, simple led running text, digital sign, any outdoor signs, business signs, church signs, animated signs, gif text signs, any other informational signs, led banner, saftey signs, political signs, hand painted signs.

Gener ....etc

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hi sir/madam ,

Our project is based on agricultural we r using a two energy sources for running a motor.two energy sources means kptcl n solar power.here we r using gsm because the farmer need to send a message to microcontroller like start the motor so microcontroller can automatically on the motor through the relay circuit.and when the soil can wet at its reaching threshold value the motor can automatically turn off and sends a message to farmer like motor off. and also whenever the motor having problem the microcontroller sends mess ....etc

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sir i want to have the code for 89s52 microcontroller to control speed of dc motor with using L293d motor driver i have a code shown below but it is not converting to the hex file in keil detecting error sir please this is humble request to make a favour and make a code speed controlling the speed of small dc motor with 90% 50% and 10% power please sir help me out this my last project in the last year for engineering please help me out the code is shown below..

org 0x00

jnb p1.4,main

main:

mov r7,#160

call pwm_init

or ....etc

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Authors:
N.S.Sakthivel Murugan
Dr Nirmal Kumar
Abstract:
Among the various power quality problems, the voltage sags, are attracting a large amount of attention of researchers from industry. DVR gives the solution to the above mentioned problem. The main function of DVR is to mitigate the voltage sag. It controls voltage applied to the load by injecting voltage of compensating amplitude, frequency and phase angle to the distribution line. The DVR is primarily responsible for restoring the quality of voltage delivered to the end user ....etc

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please i need atmel microcontroller program for solar tracking system. its very urgent.. ....etc

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Atmel Microcontrollers CAN Tutorial


Mature Standard
CAN protocol more than 14 years
Numerous CAN products and tools on the market
Hardware implementation of the protocol
Combination of error handling and fault confinement with high
transmission speed
Simple Transmission Medium
Twisted pair of wires is the standard, but also just one wire will
work
Other links works, too: Opto-or radio links
Excellent Error Handling
CRC error detection mechanism
Fault Confinemen ....etc

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To get full information or details of moving message display using atmel 89c51 please have a look on the pages

http://seminarsprojects.net/Thread-microcontroller-based-moving-message-display

if you again feel trouble on moving message display using atmel 89c51 please reply in that page and ask specific fields in moving message display using atmel 89c51 ....etc

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I am searching for matter related to C code for microcontroller at 89s52 for cell phone based home automation system..so Plz send me matter related to this topic on my id- [email protected] ....etc

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to get information about the topic PWM based Inverter fed Induction MotorIntroduction to Pulse Width Modulation full report refer the page link bellow
http://seminarsprojects.net/Thread-pwm-based-inverter-fed-induction-motorintroduction-to-pulse-width-modulation-pwm-in ....etc

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