Hardware
- STM32 embedded controller
- Infrared optical transmitters
- Infrared optical sensors
- Touchscreen display
- Portable embedded instrumentation PCB
- Test-tube measurement fixture
Embedded Systems
Portable Infrared Turbidity Measurement Device
Developed a portable embedded turbidity-measurement instrument using infrared optical sensing, touchscreen interaction, and custom embedded hardware for scientific water-quality analysis.
Summary
Engineering context
Developed a portable embedded turbidity-measurement instrument using infrared optical sensing, touchscreen interaction, and custom embedded hardware for scientific water-quality analysis.
- Category
- Embedded Systems
- Year
- Nov 2016 - Jul 2020
- Status
- Research Prototype
- Context
- Faraz Sanaat (Nov 2016 - Jul 2020)
My Role
Embedded Systems Engineer
Technical Stack
System Architecture
- Infrared emitters transmitted light through water samples
- Optical sensors measured transmitted and scattered infrared intensity
- STM32 embedded controller processed sensor measurements
- Touchscreen interface provided local interaction and measurement control
- LCD display visualized turbidity measurement results
Engineering Challenges
- Achieving stable optical measurements under varying sample conditions
- Reducing optical and electrical measurement noise
- Integrating touchscreen interaction into a portable embedded device
- Designing compact mixed-signal instrumentation hardware
Hardware / Firmware / Software
Firmware
- Embedded measurement firmware
- Optical signal acquisition logic
- Touchscreen interaction firmware
- Embedded display control
- Sensor processing routines
Software
- Turbidity measurement algorithms
- Embedded user interface system
- Real-time measurement visualization
Sensors
- Infrared optical sensing system
Protocols
- Embedded display communication
Results / Outcomes
- Successfully developed portable turbidity measurement instrument
- Implemented infrared-based optical sensing system
- Enabled portable scientific water-quality analysis
- Integrated touchscreen and embedded visualization system
Engineering Notes
Optical Measurement System
The turbidity-measurement system used:
- infrared transmitters
- infrared optical sensors
- embedded signal acquisition circuitry
Water samples were placed inside a dedicated fixture where infrared light transmission characteristics were measured to estimate turbidity levels.
Embedded Interface and Display
The device included:
- LCD display
- touchscreen interface
- portable embedded measurement system
The touchscreen interface allowed local interaction and control of measurement operations while the display visualized turbidity measurements in real time.
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