Our project, Smart Retail Queue Tracker, is designed to reduce long checkout queues in supermarkets and retail stores. Using TOF (Time-of-Flight) and PIR (Passive Infrared) sensors, the system monitors queue length and detects customer movement in real time. The queue status is then displayed using a color-coded screen, helping both customers and store staff make informed decisions about which checkout counter to use.
Why did we decide to make it?We decided to make it because Long queues in retail stores cause frustration, lost sales, and inefficiency. Studies show that 39% of shoppers leave a store due to long lines. 56% would switch stores for a faster checkout experience. In Singapore, long wait times have led to lower customer satisfaction and loyalty. By developing this smart tracking system, we aim to Improve customer experience by reducing wait times, help store staff manage queues efficiently and prevent congestion for a smoother shopping flow.
How does it work?1. TOF sensor measures the queue length in real-time.
2️. PIR sensor detects customer movement and frequency of exit at the end of the queue.
3️. Data is processed and displayed on a color-coded screen with a corresponding LED Display:
- Green – Short queue.
- Yellow – Medium queue.
- Red – Long queue.
4️.Optionally, we plan to integrate this system into stanchions (queue poles) for a seamless, space-saving implementation.
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