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Edge AI solutions have become critically important in today’s fast-paced technological landscape. Edge AI transforms how we utilize and process data by moving computations close to where data is generated. Bringing AI to the edge not only improves performance and reduces latency but also addresses the concerns of privacy and bandwidth usage. Building edge AI demos requires a balance of cutting-edge technology and engaging user experience. Often, creating a well-designed demonstration is the first step in validating an edge AI use case that can show the potential for real-world deployment.
Building demos can help us identify potential challenges early when building AI solutions at the edge. Presenting proof-of-concepts through demos enables edge AI developers to gain stakeholder and product approval, demonstrating how AI solutions effectively create real value for users, within size, weight and power resources. Edge AI demos help customers visualize the real-time interaction between sensors, software and hardware, helping in the process of designing effective AI use cases. Building a use-case demo also helps developers experiment with what is possible.
Understanding the Use Case
The journey of building demos starts with understanding the use case – it might be detecting objects, analyzing the sensor data, interacting with a voice enabled chatbot, or asking AI agents to perform a task. The use case should be able to answer questions like – what problem are we solving? Who can benefit from this solution? Who is your target audience? What are the timelines associated with developing the demo? These answers work as the main objectives which guide the development of the demo.
Let’s consider our
Brainchip Anomaly Classification C++ project demonstrating real-time classification of mechanical vibrations from an ADXL345 accelerometer into 5 motion patterns: forward-backward, normal, side-side, up-down and tap. This use case is valuable for industrial use cases like monitoring conveyor belt movements, detecting equipment malfunctions, and many more industrial applications.
Optimizing Pre-processing and Post-processing
Optimal model performance relies heavily on the effective implementation of both pre-processing and post-processing components. The pre-processing tasks might involve normalization or image resizing or conversion of audio signals to a required format. The post-processing procedure might include decoding outputs from the model and applying threshold filters to refine those results, creating bounding boxes, or developing a chatbot interface. The design of these components must ensure accuracy and reliability.
In the BrainChip anomaly classification project, the model analyzes the data from the accelerometer which records 100HZ three-dimensional vibration through accX, accY, and accZ channels. The data was collected using Edge Impulse’s data collection feature. Spectral analysis of the accelerometer signals was performed to extract features from the time-series data during the pre-processing step. Use this project and retrain them or use your own models and optimize them for Akida IP using the Edge Impulse platform. It provides user friendly no-code interface for designing ML workflow and optimizing model performance for edge devices including BrainChip’s Akida IP.
Balancing Performance and Resource Constraints
Models at the edge need to be smaller and faster while maintaining accuracy. Quantization along with knowledge distillation and pruning optimization methods allow for sustained accuracy together with improved model efficiency. BrainChip’s Akida AI Acceleration Processor IP leveragesquantization and also adds sparsity processing to realize extreme levels of energy efficiency and accuracy. It supportsreal-time, on-device inferences to take place with extremely low power.
Building Interactive Interfaces
Different approaches include modern frameworks such as Flask, FastAPI, Gradio, and Streamlit to enable users to build interactive interfaces using innovative approaches. Flask and FastAPI give developers the ability to build custom web applications with flexibility and control, while Gradio and Streamlit enable quick prototyping of machine learning applications using minimal code. Factors like interface complexity together with deployment requirements and customization needs influence framework selection. The effectiveness of the demo depends heavily on user experience such as UI responsiveness and intuitive design. The rise of vibe coding and tools like Cursor and Replit has greatly accelerated the time to build prototypes and enhance the UX, saving time for the users to focus on edge deployment and optimizing performance where it truly matters.
For the Anomaly Classification demo, we implemented user interfaces for both Python and C++ versions to demonstrate real-time inference capabilities. For the Python implementation, we used Gradio to create a simple web-based interface that displays live accelerometer readings and classification results as the Raspberry Pi 5 processes sensor data in real-time. The C++ version features a PyQt-based desktop application that provides more advanced controls and visualizations for monitoring the vibration patterns. Both interfaces allow users to see the model's predictions instantly, making it easy to understand how the system responds to different types of mechanical movements.
Overcoming Common Challenges
Common challenges in edge AI demo development include handling hardware constraints, performance consistency across different devices, and real-time processing capabilities. By implementing careful optimization combined with robust error handling and rigorous testing under diverse conditions, developers can overcome these challenges. By combining BrainChip'shardware acceleration with Edge Impulse's model optimization tools, the solution canshow consistent performance across different deployment scenarios while maintaining the low latency required for real-time industrial monitoring.
The Future of Edge AI Demos
As edge devices become more powerful and AI models more efficient, demos will play a crucial role in demonstrating the practical applications of these advancements. They serve as a bridge between technical innovation and real-world implementation, helping stakeholders understand and embrace the potential of edge AI technology.
If you are ready to turn your edge AI ideas into powerful, real-world demos, you can start building today with BrainChip’s Akida IP and Edge Impulse’s intuitive development platform. Whether you're prototyping an industrial monitoring solution or exploring new user interactions, the tools are here to help you accelerate development and demonstrate what is possible.
Article by:
Dhvani Kothari is a Machine Learning Solutions Architect at BrainChip. With a background in data engineering, analytics, and applied machine learning, she has held previous roles at Walmart Global Tech and Capgemini. Dhvani has a Master of Science degree in Computer Science from the University at Buffalo and a Bachelor of Engineering in Computer Technology from Yeshwantrao Chavan College of Engineering.