Case Studyesp32 s3rgb ledsmicropythonedge ml
Engineer Builds ESP32-S3 RGB LED PCB
4.9
In 2025, a maker built an ESP32-S3–based RGB LED PCB using KiCad, four-layer layout, and NextPCB manufacturing, integrating a microphone and IMU sensors. The design uses multiple Würth Elektronik RGB LEDs, level shifters, an NCP1117 LDO, and runs MicroPython with BLE, ESP-NOW, and Edge Impulse gesture models for edge ML control. The project demonstrates a full hardware-to-software workflow for interactive lighting.
Key Points
- 1Assembles ESP32-S3 PCB with microphone, IMU sensors, and multiple Würth RGB LED models.
- 2Leverages KiCad, 4-layer board layout, and NextPCB manufacturing for a production-ready hardware workflow.
- 3Enables edge ML and control via MicroPython, BLE, ESP-NOW, and Edge Impulse gesture models.
Scoring Rationale
Practical, replicable hardware walkthrough with usable code and manufacturing steps; limited novelty and single-author depth reduces broader impact.
Sources
Public references used for this report.
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