January 4, 2012

Salesforce of Things: RFID RetailTechnical Overview

Stu BernsteinAlex Wong

Overview

• Business Case

• Architecture

• Schematic

• Communications

• Hardware

Business Case

• Allow a Retailer to offer behavioral targeting to vendors• Base promotional offers on

– In-store location– Weather– Season– Buying patterns

• Highlight offers visually with immediate displays in the aisles• Highlight offers with SMS notifications

Architecture

Schematic

Breadboard Schematic

Communications

• RFID scanner reads a card• Arduino makes web service call to sites page

– Sends RFID Tag and MAC address of scanner– Encrypts using simple XOR cypher with key loaded into arduino

• Force.com stores tag scan• Looks up in campaign if tag has offers for given aisle• Controller sends back as response to arduino offer lights to light up

based on RFID tag• Controller sends offer to customer’s phone using SMS via Twilio

Hardware