Summary

Third iteration of my Home Assistant notifier—a simplified and practical DIY project for smart home enthusiasts. Unlike the previous versions, this design focuses on ease of use, reliability, and efficient performance.
Highlights of the project include:
• A compact design powered by the Lolin32 Mini board with Li-Po battery support.
• A UDA1334 stereo driver for high-quality audio output and a PAM8403 D-Class amplifier for sound amplification.
• Custom-designed and 3D-printed casing using the Anycubic Cobra 3 Combo printer.
• Testing with both a passive ceiling-mounted speaker and Edifier R1380DB active speakers, showcasing versatile sound capabilities.
Whether you're looking to create your own notifier for sound and speech notifications or just enjoy tinkering with smart home projects, this video provides a detailed walkthrough.
Video showcase:
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