mb
ramen22o
This project automates queueing using AT89C51, featuring a 2-digit 7-segment display (00-99) & LED "SERVING" sign. Push-button increments queue, reset button restarts. Ground-controlled, LM7812-powered, it reduces wait times & staff workload in high-traffic areas. Scalable for wireless upgrades. Low-power, cost-effective.
Main components
Download full BOM| Part Number | Description |
|---|---|
| AT89C51 | 8-bit Microcontroller with 4K Bytes Flash, DIP-40 |
| L7812 | Positive 1.5A 35V Linear Regulator, Fixed Output 12V, TO-220/TO-263/TO-252 |
| 7SEG-CA | Super Bright Red Single-digit Numeric Display with white white diffused lens, common anode |
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