Smart Kitchen Suppakrit Forbes Chatchayanusorn Charles Christopher Onyeama Nachiket Shelgikar Saravana Sivasankaran How it works! System – – – Smart phone/ PDA with Docking Station RFID reader reads tags off the products in the kitchen and updates the ‘status’ of the kitchen. Smart phone/ PDA generates a shopping list based on ideal stock and current kitchen status Assumptions – All the products will be RFID tagged replacing currently used UPC Barcodes Architecture Block Diagram RFID sensors detect the tags using RF and sending data to CPU via Ethernet interface CPU shall handle the database immediately CPU shall wait until the device requests data and starts synchronize via Bluetooth interface Use Cases Check Grocery List Manually Synchronize Grocery List Modify Grocery List Automatically Synchronize Grocery List State Diagram State Diagram State Diagram Risks Read multiple tags – – Buffer overflow during the communication between the RFID reader and the Gumstix Loss of packets One RFID Reader – – Cannot Identify direction of motion Cannot effectively make out when the product leaves the house Two RFID Readers – – Too close to each other or touching Tags in different orientations Direction of Motion Have both of them synchronized to identify products coming in vs. going out of the house Radio Interference Risks Mitigation Handled by having antennae in different directions to have maximum surface area exposed to antenna Have header and footer checks for the packet data