hello
I am using R305 fingerprint module i want know how i communicate with device with controller means what type of data i have send and what it will give and with what is time delay..

Thank you
U
pendra ....etc

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The ARM7TDMI Datasheet

ARM(v4T) ISA Features
Predicated Instruction
Conditional Instruction
Features rarely seen on other architectures
PC can be destination of data operating instructions
Load/Store Multiple
Multiple Operating Modes
Hardwired Banked Registers in each mode
General Purpose Registers
Program Status Registers
Dual ISA
ARM ISA mode
THUMB ISA mode
ARM ISA: Predicated Instruction
Why predicated instruction?
To eliminate conditional branch in small if-then-else
Limitations?
In ....etc

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Pl. provide datasheet for zx-i945lm4 as i required it to solve display problem caused by faulty capacitors written as code on the capacitors ....etc

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Sir , i am not getting the datasheet of the module. Sir , please help me to interface r305 fingerprint module with pic16 microcontroller and also with the hyperterminal of pc. Please reply as soon as possible. THANK YOU. ....etc

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r305 fingerprint module datasheet pdf

Biometric identification from a print made by an impression of the ridges in the skin of a finger is often used as evidence in criminal investigations. Yes, now we can use the same biometric identification technique to build our own hobby projects like a biometric authenticator/access control system with the help of readily-available Fingerprint Identification Modules.

This is an optical biometric fingerprint reader/sensor (R305) module with TTL UART interface for direct connections to a microcontroller ....etc

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/*
*AttendenceSystem.c
*
* Created: 21/09/2015 10:02:30 PM
* Author: Otoman
*/

#define F_CPU 16000000UL // set the CPU clock
#define BAUD 57600 // define baud
#define BAUDRATE ((F_CPU)/16/BAUD-1) // set baud rate value for UBRR

#include
#include
#include

char buffer;

PortInit();
FlashLED();
Strobe();
Clear_Display();
Unpack_To_PortC(char data);
Short_Delay();
unsigned char USART_Receive();

void USART_TransmitFlag();
void USART_Transmit(unsigned char data);
void searchFinger(int bu ....etc

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internal structure of finger print module fim 3030n with working. ....etc

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r305 fingerprint module interfacing with pic

This is an optical biometric fingerprint reader/sensor (R305) module with TTL UART interface for direct connections to a microcontroller UART. The user can store the finger print data in the module and can configure it in 1:1 or 1: N mode for identifying the person. This module can directly interface with any 3.3V or 5V microcontrollers, but a suitable level converter/serial adapter is required for interfacing with the serial port of a PC.

Working Principle

Fingerprint processing includes two part ....etc

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I am going to use fingerprint module on my final project and I want to know how to interface fingerprint module on 16ff877a microcontroller ....etc

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The fingerprint sensor is combination of R305 FP+PIC MCU board that can read different fingerprints and store in its own flash memory. The sensor can perform three functions namely Add(Enroll) , Empty Database or Search Database and return the ID of stored fingerprint.

Any of three functions can be called simply by making the pin low of the sensor or pressing onboard three switches. The response is either error or ok which is indicated by onboard LED. The response is also returned as single serial data byte. The return byte is a valid ID or ....etc

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