how to interface apr9600 voice ic to microcontroller 8051?
....etc

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voice ic apr9600 interface with pic microcontroller

ICStation team introduce you this APR9600 voice recording and playback system used in elevator based on the ICStation Mega2560 compatible with Arduino. It uses DC5V voltage to work. When you press the different keys, the loudspeaker will sound that which floor you arrive. This design uses a APR9600 voice chip as the core of the circuit and realizes the function of auto recording and playback. It uses power amplifier chip JRC286D to amplify the audio and enhance the volume. The voice recording ....etc

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code for interfacing pir sensor with 8051 mcu

Interfacing PIR sensor to 8051 microcontroller.
PIR sensors are widely used in motion detecting devices. This article is about interfacing a PIR sensor to 8051 microcontroller. A practical intruder alarm system using PIR sensor and 8051 microcontroller is also included at the end of this article. Before going in to the core of the article, let s have a look at the PIR sensor and its working.

PIR sensor.

PIR sensor is the abbreviation of Passive Infrared Sensor. It measures the amount of infrared ....etc

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PLEASE I NEED A CODE FOR INTERFACING APR9600 WITH 8051 MICRO CONTROLLER.

THANKS ....etc

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sir/madam,
i am doing project on IPR 9600 and 8051,I don't no how to inerface and code.so please send information about that. ....etc

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pic16f877a microcontroller interfacing apr9600

This powerful (200 nanosecond instruction execution) yet easy-to-program (only 35 single word instructions) CMOS FLASH-based 8-bit microcontroller packs Microchip's powerful PIC architecture into an 40- or 44-pin package and is upwards compatible with the PIC16C5X, PIC12CXX and PIC16C7X devices. The PIC16F877A features 256 bytes of EEPROM data memory, self programming, an ICD, 2 Comparators, 8 channels of 10-bit Analog-to-Digital (A/D) converter, 2 capture/compare/PWM functions, the synchronous s ....etc

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//LCD Module Connections
sbit RS = P0^0;
sbit EN = P0^1;
sbit D0 = P2^0;
sbit D1 = P2^1;
sbit D2 = P2^2;
sbit D3 = P2^3;
sbit D4 = P2^4;
sbit D5 = P2^5;
sbit D6 = P2^6;
sbit D7 = P2^7;
//End LCD Module Connections

//Keypad Connections
sbit R1 = P1^0;
sbit R2 = P1^1;
sbit R3 = P1^2;
sbit R4 = P1^3;
sbit C1 = P1^4;
sbit C2 = P1^5;
sbit C3 = P1^6;
sbit C4 = P1^7;
//End Keypad Connections

void Delay(int a)
{
int j;
int i;
for(i=0;i {
for(j=0;j<100;j++)
{
}
}
}

char Read_Keypad()
{
C1 ....etc

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gsm modem interfacing with 8051 code

GSM is widely used mobile communication architecture used in most of the countries. This project demonstrates the interfacing of microcontroller AT89C51 with HyperTerminal and GSM module. It aims to familiarize with the syntax of AT Commands and their Information Response and Result Codes. The ASCII values of characters in the Information Response, Result Codes and their syntax can be monitored by an LED array. For the basic concepts, working and operation of AT commands and GSM module refer GSM/GPRS Module ....etc

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pls ,tell us the c coding for interfacing pir sensor with microcontroller at89c51 ....etc

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cab be used apr9600 instead of hm2007, in the voice automation system. ....etc

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