Industrial HMI & Embedded
Industrial Chamber HMI
Android HMI for industrial chamber temperature and humidity control with dual-loop PID tuning over UART.
Category
Industrial HMI & Embedded
Focus
Hardware + software engineering
Industrial chamber HMI control panel with dual-loop PID settings
Project
Overview
An Android HMI for industrial chambers supporting single and dual-loop temperature and humidity control with editable PID parameters and OTA updates.
Architecture
Hardware
- Android 10 AOSP board with UART interface for industrial environments
- Integrated Quectel SC200R IoT module with Wi-Fi, 4G, and GPS
- 10.1" industrial-grade capacitive touch screen
- Sensor & I/O support: PT100/NTC/K-Type sensors, relay-based control, dual-loop capability
Architecture
Software
- Android-based HMI app with real-time UART communication to control board
- Supports Single & Dual Loop modes for Temp & Humidity control
- PID tuning interface with editable Auto/Manual modes
- Sensor selection, live data display, and OTA update support
Systems
Connectivity & communication
UARTWi-Fi4GGPSOTA
Capabilities
Key features
Real-time monitoring and control of temperature & humidity
Editable control parameters (Temp, Ramp Rate, Humidity, Cycle Time)
Auto/Manual PID tuning with viewable/editable Kp, Ki, Kd values
Start/Stop control with dynamic UI toggle and live process feedback
Outcomes
Business value
- Scalable solution for industrial automation with modular loop design
- Enhanced process accuracy and consistency via live PID control
- Reduces manual effort with intuitive automation and real-time updates
- IoT-enabled system with OTA support and predictive maintenance capability
Stack
Technologies
- Android 10 AOSP
- Quectel SC200R
- UART
- PID control
- PT100
- NTC
- K-Type
- OTA
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