we are doing a PROJECT ON THIS TOPIC SO P
IGSFDFDFGUGGGGGHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH ....etc

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lookingfor code for interfacing pir sensor with 8051 mc ....etc

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How to have an 3gb on vodacom i want it that ican download more apps and games chat on Facebook
....etc

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Implementing a PID Controller Using a PIC18 MCU


INTRODUCTION
Continuous processes have been controlled by
feedback loops since the late 1700’s. In 1788, James
Watt used a flyball governor on his steam engine to
regulate its speed. The Taylor Instrument Company
implemented the first fully functional Proportional,
Integral and Derivative (PID) controller in 1940.
Although feedback control has come a long way since
James Watt, the basic approach and system elements
have ....etc

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FEATURES
ANALOG I/O
8-channel, 247 kSPS, 12-Bit ADC
DC performance: ±1 LSB INL
AC performance: 71 dB SNR
DMA controller for high speed ADC-to-RAM capture
2 12-bit (monotonic) voltage output DACs
Dual output PWM/Σ-Δ DACs
On-chip temperature sensor function: ±3°C
On-chip voltage reference
Memory
62 kB on-chip Flash/EE program memory
4 kB on-chip Flash/EE data memory
Flash/EE, 100 Yr retention, 100,000 cycles of endurance
2304 bytes on-chip data RAM
8051-based core
8051-compatible instruction set (16 MHz maximum)
32 k ....etc

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FRAM MCUKey Strengths and Applications

Introduction
Ferroelectric Random Access Memory (FRAM) microcontroller (MCU), which features embedded, non-volatile FRAM, is part of the company’s 8-bit microcontroller 8FX family. The new embedded FRAM memory technology can be configured either as Read-Only Memory (ROM) or Random- Access Memory (RAM). The FRAM microcontroller has the added benefits of high-speed programming and low power consumption. The FRAM memory technology, its benefits, applications, to ....etc

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ABSTRACT
For some organization it is essential to distribute the data at that instant itself. The controlling unit collects the data made in form suitable to transfer. 8051 controller is used as control unit for collecting data and transferring using USART.
Data loggers are used to collect and centralize the data for processing. This project is a proto type for such system. Two boards are there in this project each board contains sensors, these are interfaced to the microcontroller. The microcontroller collects the ....etc

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I have this project from electronic for you magzine march 2012
i want code of this project in .C or .hex ....etc

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a) MMC CARD INTERFACE WITH ATMEGA
b) MULTI-CHANNEL DATA STORAGE ON MMC/SD CARD
c) CAN PROTOCOL IMPLEMENTATION TO ENABLE ROBUST SERIAL COMMUNICATION FOR AUTOMOTIVE APPLICATIONS USING SD CARD
d) FILE SYSTEM IMPLEMENTATION ON SD CARD
e) MICROCONTROLLER BASED MP PLAYER
f) MMC CARD INTERFACE TO THE MICROCONTROLLER USING SPI PROTOCOL FOR INDUSTRIAL DATA LOGGERS
g) RC DATA STORAGE ON MMC/SD CARD
h) SECURED DATA STORAGE ON MMC/SD CARD
i) SPI BASED DATA ACQUISITION SYSTEM
j) STANDALONE GPS COORDINATES (LATITUDE, LONGITUDE) LOCATER ST ....etc

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org 00h

mov p1,#0ffh
mov p2,#00h
mov a,p1
jnz check
;jz loop

loop:
mov a,p1
jnz check
jz loop

check:
acall delay
mov a,p1
jnz check1
jz loop

check1:
mov p2,#0ffh
acall dlay1
mov p2,#00h
sjmp loop

delay:
mov r4,#255d
loop3:

mov r1,#255d
loop2:
mov r3,#255d
loop1:
djnz r3,loop1
djnz r1,loop2
djnz r4,loop3
ret

dlay1:
mov r4,#10d
lop3:

mov r1,#255d
lop2:
mov r3,#255d
lop1:
djnz r3,loop1
djnz r1,loop2
djnz r4,loop3
ret

end


....etc

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