Talk

Rapid Development of Hardware Prototype Concepts using an AI LLM and a Renesas EK-RA2E1 Kit

Dr. Don Wilcher

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39:51

EOC 2025

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Dr. Don Wilcher

Dr. Don Wilcher is An Assistant Professor of Electrical and Computer Engineering at the University of Alabama in Birmingham. His research interests include embedded controls, robotics education, Machine Learning, and Artificial Intelligence, and their impact on personalized learning, competency-based models, curriculum, and instructional development in Mechatronics, Industrial Control, and electronics. He is also the co-founder and owner of MaDon Research LLC, a research and instructional technology consultancy, technical writing company.

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Hardware AI/ML Microcontroller Tools

Talk

Rapid Development of Hardware Prototype Concepts using an AI LLM and a Renesas EK-RA2E1 Kit

Dr. Don Wilcher

39:51 EOC 2025

Dr. Don Wilcher

39:51

Developing a hardware prototype proof of concept (PoC) does not require a major investment in electronic components and test equipment. Such electronic components and test equipment include active integrated circuits, electromechanical tactile switches, LEDs, oscilloscopes, and function generators. Several prototype PoCs can be built quite rapidly using an embedded hardware development board or kit, one to three electronic modules, and an AI LLM.

Another item that can aid in providing design focus when engineering a PoC is the use of Maslow's Hierarchy of Needs model. The model has five characteristic levels that can identify the customers’ requirements. With such a model, a needs analysis can be included within the hardware PoC development process.

This talk will illustrate the application of Maslow's Hierarchy of Needs model with an AI LLM to create a 3-bit binary counter for a PoC controller. The Renesas EK-RA3E1 kit will serve as the rapid hardware development platform for the project demonstrator.

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What is the primary purpose of the HAL (hardware abstraction layer) as described in the talk?

A A software layer that abstracts the microcontroller peripherals to make hardware access more portable and easier to maintain.

B A physical daughterboard on the EK-RA2E1 kit used to connect external sensors and LEDs.

C The onboard AI assistant (like HAL from 2001) that automatically writes and debugs firmware for you.

D A Renesas proprietary compiler that converts C code into machine code for the RA2E1 MCU.

E A security module that encrypts all flash memory to protect the application from tampering.

Which workflow did Dr. Don recommend for using an AI LLM to produce the 3-bit binary counter on the EK-RA2E1 kit?

A Modify the implementation section of an existing blinky project by pasting AI-generated code into the project's source, then build and debug.

B Train a new custom LLM on the Renesas datasheets and generate an entire SDK from scratch before creating any project.

C Directly flash text output from the LLM into the microcontroller over USB without compiling in e2 studio.

D Replace the RA2E1 HAL entirely with hand-written assembly code and then ask the LLM to optimize it.

E Use the AI LLM to order external hardware modules which will automatically implement the counter in hardware.

Before running the debugger to load the generated counter onto the EK-RA2E1 board, what specific setup step did the speaker highlight as essential?

A Ensure the debug configuration selects the J-Link debugger and the correct microcontroller, otherwise the tool won't transfer the program into flash.

B Disable the HAL layer so the debugger can access peripheral registers directly during flashing.

C First run the program in a terminal emulator over UART to validate the LED ports before debugging.

D Connect an external oscilloscope to each LED pin to verify signal timing prior to starting the debugger.

E Manually erase the bootloader on the board using a serial bootloader command before debugging.

According to the speaker, what is the main educational benefit of using an AI LLM with embedded hardware prototyping?

A It helps learners by resolving C syntax doubts, providing sample code, assisting with errors, and saving time—thereby increasing engagement and productivity.

B It completely replaces the need to learn C or hardware fundamentals because the LLM writes flawless, production-ready firmware.

C It serves solely as an automated hardware tester that removes the need to run the debugger or observe LEDs manually.

D It prevents any need for community collaboration since the AI can answer all design and societal-impact questions independently.

E It guarantees secure, production-grade firmware by automatically inserting the best security practices into the code.

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Upvotes Newest Oldest

datamstr

Score: 0 | 10 months ago | 1 reply

Excellent presentation!

mrdon219@gmail.comSpeaker

Score: 0 | 10 months ago | no reply

Thank you, datamstr.

John_Singleton

Score: 0 | 10 months ago | 1 reply

Do you think students are successfully using ChatGPT to help resolve conceptual issues that they are stuck on? For example, if they encounter a pull-up resistor in a datasheet for the first time, do you think that they can use it to get a satisfactory understanding of the problem that's being solved?

mrdon219@gmail.comSpeaker

Score: 0 | 10 months ago | 1 reply

Hi John,
That's a very good question. I am seeing Junior and Senior Level ECE learners using ChatGPT to generate code for solving a specific microcontroller task. I am also seeing them using ChatGPT to build MATLAB code for modeling Functional Decomposition system behaviors. The use of ChatGPT has been used to solve high-level concerns in programming microcontrollers, developing firmware, and modeling power and electromechanical systems. Unfortunately, there is a lack of understanding as it relates to the context, style, and functionality of the code. John, I hope my response answered your question.

John_Singleton

Score: 0 | 10 months ago | no reply

Hi, Don. Yes, it does answer my question. I'm not sure if I've heard an educator's thoughts on ChatGPT before. Thinking about that after your talk though, I think that's exactly who I needed to get a positive message from before fully engaging with ChatGPT to see how it can help me. Thank you for your thoughtful talk and response!

MarkB

Score: 0 | 10 months ago | no reply

Funny!

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