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Ching Siew Meng's Arduino Queuing System Project

Gareth Halfacree

While the Arduino microcontroller is most commonly thought of as a tool for hobbyists and students, its flexibility lends itself well to more commercial projects as well. We use several Arduino-based devices to make our shop run more smoothly, and we're not alone: Malaysian Arduino enthusiast Ching Siew Meng has built an electronic queuing system for a local clinic at a fraction of the cost of an off-the-shelf equivalent. As shown in the Instructable tutorial, the system uses two breadboard Arduino compatibles, similar to our own BBAC: one acts as a sender, taking the number of the required patient from a PS/2 keypad and confirming it on a built-in LCD panel; the second acts as a receiver, displaying the number on a large 32x16 LED matrix located in the waiting room - supplied by Freetronics, which alerted us to the project - and sounding a chime using a standard doorbell. The build is easily the equal of any commercial equivalent, and demonstrates perfectly the versatility of the Arduino platform - and the ingenuity of anyone working to a tight budget in a professional setting!

This is a Queuing System project requested by a clinic assistant which allows the doctor to enter a number from a keyboard and display it on a 32x16 LED panel.

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