Industrial HMI & Embedded
Smart Tea Maker HMI
Android HMI for automated tea preparation with UART-driven ingredient dispensing and recipe customization.
Category
Industrial HMI & Embedded
Focus
Hardware + software engineering
Smart Tea Maker HMI beverage selection interface
Project
Overview
An Android HMI application for a smart tea maker that controls ingredient dispensers, tracks usage and supports custom tea recipes.
Architecture
Hardware
- Android 10 AOSP board with Quectel SC200R smart IoT module
- 10" capacitive touch screen
- Ingredient dispensers for tea powder, sugar and multiple spices
- Sensors and actuators to track dispensing accuracy and timing
Architecture
Software
- Android-based HMI for user interaction and recipe creation
- UART-driven control logic for ingredient dispensing and sequence control
- Ingredient tracking with real-time display of used items and gram quantities
- Analytics for preparation time, usage history and tea configurations
Systems
Connectivity & communication
UARTWi-Fi4G
Capabilities
Key features
Custom tea recipe creation with control over flavour, strength and serve count
Dynamic spice selection (ginger, masala, cardamom) with step-wise fall control
Live display of ingredient usage and total preparation time
Outcomes
Business value
- Personalized tea experience at scale with user-defined preferences
- Reduces preparation time while maintaining authentic taste
- Tracks consumption data for ingredient planning and maintenance
- Suitable for kiosks, offices and public spaces with minimal operator intervention
Stack
Technologies
- Android 10 AOSP
- Quectel SC200R
- UART
- Dispenser control
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