Privacy

Everything tagged “Privacy” across notes, resources, and Mochi logs.

Realistic smart speaker prototype beside an ESP32-S3 board and laptop with audio waveforms

NotesFirmwareSeptember 6, 2026

Which Wake Word Is Better? microWakeWord vs Google vs Alexa

A practical comparison of microWakeWord, Google Assistant, and Alexa by architecture, control, privacy, hardware fit, and ESP32-S3 integration.

Wake Word TinyML ESP32-S3 Google Assistant Alexa Voice Assistant Privacy

An unbranded smart speaker with a physical microphone mute switch in a real living room

NotesFirmwareAugust 30, 2026

Wake-word detection: always-listening smart devices

A practical look at local wake-word detection on ESP32-S3 devices: audio framing, microWakeWord, threshold tuning, false activations, microphone mute, and privacy.

Wake Word TinyML ESP32-S3 Audio Voice Assistant Privacy

A hand reviewing a sleep environment score on a camera-free DIY bedside clock in the morning

IoT SolutionsIoT SolutionsAugust 14, 2026

A camera-free desk clock that indicates sleep quality

Notes for an ESP32 bedside clock that uses CO2, temperature, light, and bed presence to explain why a night felt off, without putting a camera in the bedroom.

IoT Solutions ESP32 ESPHome Home Assistant Sleep Environment Privacy