This article details 7 ESPHome projects that enhance smart home functionality, including washing machine state detection, water leak detection, presence detection, Bluetooth proxy, custom smart speakers, cheap yellow displays, and ePaper dashboards.
A review of the Tiny Code Reader, a $7 QR code sensor, detailing its setup, functionality with I2CDriver, limitations (tight centering requirement), and internal components (RP2040 microcontroller and Arducam image sensor).
This article details a DIY presence sensor project inspired by the Everything Presence Lite kit, utilizing a millimeter wave sensor and a BME680 environmental sensor for accurate motion and heart rate detection.