Camera for industrial measurement device prototype. Case study
Project Background:
The electronics design company from Bay Area is working on a handheld industrial measurement device prototype project for a third-party enterprise. The objective of the project is to develop a camera module that can measure extremely high temperatures and integrate it with a measurement device and an LCD monitor.
Key Requirements:
The camera module should have the ability to capture video streams, control the LCD display and measurement device module, and take data from the measurement device to overlay it on the LCD.
The prototype should be able to capture the video, take a snapshot and record the snapshot with overlaid data on an SD card.
A mobile app should be developed to control the unit with expanded capabilities to view and measure results.
Timeline:
POC (Proof of Concept) - 3 months
Prototype - 6 months
Project overview:
The project is built on a basis of Rhonda A12 SoM. The project has four main components:
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1.?Integrating the measurement device:
Using the UART interface, the measurement device was attached to the Rhonda A12 System-on-Module (SoM). The MODBUS protocol was implemented on the SoC side to facilitate communication between the measurement device and the SoC. The major challenge was the inability to achieve 1000 measurements per second due to the bandwidth limitations of the UART interface. This issue was resolved through optimization of the application-side code.
2.?LCD Display and Touchscreen Support:
We developed a driver for A12 SoM to add support for the LCD and touch screen. The major challenge was the tight schedule and lack of ready hardware. We had to solder the display and touch screen to the SoM and develop the driver on this setup.?
3.?Mobile Application:
We developed a mobile application to control the unit and view the measurement results. The major challenge was the integration of outside Figma design with our off-the-shelf solution with a respect to customers' specific requests in real time.?
4.?Programmable Charger:
The type of battery physically available did not match the battery that the customer planned to use in the final product. So we had to program and tune the charger using the different types of a battery taking the tight schedule into account.?
Results and Outcomes:
The project was developed on time and within budget. The electronics design company successfully represented the measurement device to the end customer.