MilkShake Machine
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Date
2024
Authors
Eba Khali
l Samah Sheeha
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Abstract
The milkshake machine is a fully autonomous system that handles everything from selecting the drink to receiving it. Since the machine operates independently, there’s no need for a worker to prepare milkshakes, saving both money and effort. It’s also easy to use and safe, making it ideal for schools, universities, and institutions as a fresh and healthy alternative to coffee machines.
Our machine is connected to a mobile application, allowing clients to choose their desired milkshake. They can select from predefined options or customize their drink using a keypad and LCD or the mobile app. After choosing, the client pays via RFID, and the machine starts the process by measuring the ingredients, blending them with milk, and pouring the milkshake into the selected cup size (two sizes available). The machine then cleans the blender and prepares for the next order.
In our project, we used an Arduino Mega microcontroller and an ESP32 module to manage interactions with the blender, pumps, valves, and various motors (stepper and DC). We used several ultrasonic sensors to ensure everything operates accurately. An IR sensor detects the required ingredient, activating the corresponding motor. We also used a laser with an LDR module for multiple tasks: one to lower the cup, another to open the blender valve to dispense the milkshake, and a third to cover the cup.