ESPProbe

A triple thermocouple host for Home Assistant — for more: home, github, portfolio or email.

Home Assistant

Available entities include wood stove status, three monitors (I use intake, chamber, and exhaust), configurable thresholds, and ambient temperature and humidity

Home Assistant

Front

DHT22 air temp/humidity sensor, ESP32 DevKit v1, thermocouple inputs

Front Picture

Rear

Triple Analog Devices MAX31855KASA 14-bit K-Type thermocouple amplifiers supporting probe temperatures from -270°C to +1800°C with 2°C accuracy and 0.25°C resolution

Rear Picture

Schematic

Open source schematic provided - View

Schematic

PCB Layout

PCB Layout provided in KiCAD format - View

PCB Layout

ESPHome Configuration

Sample ESPHome .yaml provided - View

ESP Home .yaml

Bill of Materials

BoM provided in .csv format - View

Bill of Materials