Justin Michaud
AVR128DA48 M.2 Module
Compact Embedded System Design
This board integrates the AVR128DA48 microcontroller and supporting circuitry into a compact M.2 module format, allowing it to function as a self-contained embedded computing platform. Careful component placement, decoupling strategy, and routing were used to maintain signal integrity and reliable operation despite the dense layout. The result is a small but capable module that can be easily integrated into larger systems.
Power Architecture and Filtering
The module includes onboard power conditioning to ensure stable operation when integrated into larger systems. Input filtering, local decoupling, and regulated 3.3 V power distribution were designed to provide a clean supply for the microcontroller and peripherals. These considerations help reduce noise and improve reliability in electrically noisy environments.
Sensor and Peripheral Integration
To support monitoring and expansion, the board integrates a temperature sensor and exposes multiple MCU interfaces through the module connector. These interfaces allow the module to communicate with external hardware while still providing onboard sensing capabilities. The design demonstrates how small embedded systems can combine local sensing with system-level communication.
Modular Embedded Platform
Using the M.2 connector allows the board to act as a reusable embedded module rather than a fixed-purpose PCB. This approach makes it easy to integrate the microcontroller into different carrier boards or experimental setups without redesigning the core electronics. The concept emphasizes modular design and simplifies future system expansion.
