This paper provides a comparative study of three popular microcontrollers: Arduino Uno, Raspberry Pi 4, and ESP32. Arduino Uno is known for its simplicity and low power consumption, making it ideal for educational and small-scale projects. Raspberry Pi 4 offers high computational power and extensive connectivity, suitable for IoT gateways, media centers, and industrial automation. ESP32 combines robust wireless connectivity with efficient processing, perfect for IoT applications, smart home devices, and wearable electronics. The study evaluates their technical specifications, performance, development environments, and use cases, helping developers choose the best microcontroller for their projects
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Yash Goyal (2024) studied this question.
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