Figure 1.Block diagram of inventory management system using Proximity sensors.

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1 Volume 1, Special Issue, March 2015 Impact Factor: 1036, Science Central Value: 2654 Inventory Management System Using Proximity ensors 1)Jyoti KMuluk 2)Pallavi H Shinde3) Shashank VShinde 4)Prof VRYadav Department of Electronics & Telecommunication, JaiHind College of Engineering,Kuran, Savitribai Phule Pune University, Pune 1)jyotimuluk7@yahooin 2)pallavishinde62@gmailcom 3)shashank hashankshinde22@yahooin A B S T R A C T In Today s world the inventory that is the raw materials, furnished materials, metals and other things are being manually managed & record is maintained in the books This may leads to manual errors & it increases the human efforts In order to nullify this there should be the automatic management of inventory ie without any human efforts So, we came up with idea of making an inventory management system using proximity sensor which would nullify the errors as well as consume low power In our project proximity sensor may automatically detect the inventory & it would pass the data to the RF interface From the RF interface it would go on to the Hub & later by using UDP protocol, it would pass to the server In future, we can develop android application for this project So that current status of inventory in stock can be seen on mobile phones anywhere in the world This leads to easy and effective management of the inventory I INTRODUCTION In today s world the inventory that is the raw materials, furnished materials, metals and other things are being manually managed & record is maintained in the books This may leads to manual errors & it increases the human efforts In order to nullify this, there should be the automatic management of inventory ie without any human efforts So, we came up with idea of making an inventory management system using proximity sensor which would nullify the errors as well as consume low power In our project proximity sensor may automatically detect the inventory & it would pass the data to the RF interface From the RF interface it would go on to the hub & later by using UDP protocol, it would passed to the server In future, we can develop android application for this project So that current status of inventory in stock can be seen on mobile phones anywhere in the world This leads to easy and effective management of the inventory II BLOCK DIAGRAM Figure 1Block diagram of inventory management system using Proximity sensors The number of block and their functions are as follows:- A Proximity Sensor In our project proximity sensor Si1102 is used The Si1102 is a high-performance (0 40cm) active optical proximity detector The Si1102 consists of a patented, high-emi immunity, differential photodiode and a signal processing IC with LED driver and high-gain gain optical receiver Proximity detection is based on , IJAFRSE and JCON 2015 All Rights Reserved wwwijafrseorg

2 Volume 1, Special Issue, March 2015 Impact Factor: 1036, Science Central Value: 2654 measuring the reflected light from a strobed, optically isolated LED A proximity sensor can detect targets approaching the sensor, without physical contact with the target B Microcontroller Figure 2Pin assignment A microcontroller is a small computer on a single integrated circuit containing a processor core, memory, and programmable input peripherals Microcontrollers are used in automatically controlled products and devices The Texas Instruments MSP430 family of ultra low power microcontrollers consists of several devices featuring different peripherals targeted for various applications The architecture, combined with five low-power modes is optimized to achieve extended battery life in portable measurement applications The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency The calibrated digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 micro second Figure 3MSP 430 IC C RF Communication IC The CC2500 is a low-cost 24 GHz transceiver designed for very low-power wireless applications The circuit is intended for the MHz ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency Band The RF transceiver is integrated with a highly configurable baseband Modem The modem supports various modulation formats and has a configurable data rate up to 500 kbaud The main operating parameters and the 64- byte transmit /receive FIFOs of CC2500 can be controlled via an SPI interface In a typical system, the CC2500 will be used together with a microcontroller and a few additional passive components , IJAFRSE and JCON 2015 All Rights Reserved wwwijafrseorg

3 Volume 1, Special Issue, March 2015 Impact Factor: 1036, Science Central Value: 2654 D SimpliciTI Figure 4CC2500 RF IC It is low-power RF protocol from Texas Instruments It allows wireless communication between RF trans-receivers used at detector side and at hub side Simplicity is: i Low Power: a TI proprietary low-power RF network protocol ii Low Cost: uses < 8K FLASH, 1K RAM depending on configuration iii Flexible: simple star w/ extendor and/or p2p communication iv Simple: Utilizes a very basic core API v Versatile:MSP430+CC110x/2500,CC1110/2510, CC1111/CC2511,CC2430, CC2520 E Ethernet IC The ENC28J60 is a stand-alone Ethernet controller with an industry standard Serial Peripheral Interface (SPI) The ENC28J60 meets all of the IEEE 8023specificationsIt is designed to serve as an Ethernet network interface for any controller equipped with SPI It incorporates a number of packet filtering schemes to limit incoming packets It also provides an internal DMA module for fast data throughput and hardware assisted IP checksum calculations Communication with the host controller is implemented via two interrupt pins and the SPI, with data rates of up to 10 Mb/s Features: i IEEE 8023 Compatible Ethernet Controller ii Integrated MAC iii Supports Full and Half-Duplex modes F User Datagram Protocol: Figure 5ENC28J60 ethernet IC UDP is a simpler message-based connectionless protocol User Datagram Protocol (UDP) is one of the core protocols of the Internet protocol suite Using UDP, programs on networked computers can send , IJAFRSE and JCON 2015 All Rights Reserved wwwijafrseorg

4 Volume 1, Special Issue, March 2015 Impact Factor: 1036, Science Central Value: 2654 short messages sometimes known as datagrams (using Datagram Sockets) to one another With UDP messages (packets) cross the network in independent units i Unreliable - When a message is sent, it can't be known if it will reach its destination; it could get lost along the way There's no concept of acknowledgment, retransmission and timeout ii Not ordered - If two messages are sent to the same recipient, the order in which they arrive cannot be predicted iii Lightweight - There is no ordering of messages, no tracking connections, etc It's a small transport layer designed on top of IP iv Datagrams - Packets are sent individually and are guaranteed to be whole if they arrivepackets have definite bounds and no split or merge into data streams may exist I Server Figure 6UDP datagram format Server is nothing but a PC in control roomby designing a website we can maintain data of whole inventory So that inventory can be managed & controlled from anywhere Figure 7 Server and module connection III ADVANTAGES i Automatic object detection: They determine geometrical positions automatically & sensitively ii Reduce human effort: This project reduces the human requirement iii Improve measurement accuracy: No human involvement So leads to higher accuracy iv Save time & increase speed: Due to automation time is reduced Hence speed is also increases v Control from remote place: , IJAFRSE and JCON 2015 All Rights Reserved wwwijafrseorg

5 vi International Journal of Advance Foundation And Research In Science & Engineering (IJAFRSE) Volume 1, Special Issue, March 2015 Impact Factor: 1036, Science Central Value: 2654 All inventory is managed from central control room Less power requirement: Due to use of low power IC s, less power is required IV CONCLUSION All the inventory is automatically managed through central control room So less human efforts are required Also improves the accuracy & increases speed V FUTURE SCOPE From server inventory data can be send to android application So any one can access the data from mobile anywhere in the world VI REFERENCES Figure 8Android application [1] Electronic devices & circuits-----david A Bell [2] MSP430 Manual wwwticom/lit/ds/symlink/msp430g2553pdf [3] SimpliciTI Overview(Rev B-Texas Instruments wwwticom/lit/ml/swru130bpdf [4] Modern electronic instrumentation and measurement techniques---albert D Helfrick, William D Cooper Electronic Instrumentation-and-Measurement-Techniques , IJAFRSE and JCON 2015 All Rights Reserved wwwijafrseorg