ESPFridge

A fridge monitor for Home Assistant — for more: home, github, portfolio or email.

Home Assistant

Available entities include fridge temperature and humidity, light level to determine door status

Home Assistant

Front

ESP32 WROOM-02, TMP117 temp/humidity sensor, OPT3001 light sensor

Front Picture

Rear

18650 3.7V Lithium Ion battery holder

Rear Picture

Schematic

Open source schematic provided - View

Schematic

PCB Layout

PCB Layout provided in KiCAD format - View

PCB Layout

PCBs the size of an 18650

PCBs

ESPHome Configuration

Sample ESPHome .yaml provided - View

ESP Home .yaml

Bill of Materials

BoM provided in .csv format - View

Bill of Materials