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This project is a small wall display that shows temperature, humidity and barometric pressure from a remote sensor. The display and sensor communicate over MQTT using Home Assistant as a backend. The display is housed in a 3D printed case and takes 5V DC power. This display is designed to work with my weather station, but can be easily adapter to other sensors if desired.

Features

• Small OLED display (~1.3" diagonal)
• Two buttons to toggle through displays. Can be adapted to other functions if desired.
• RGB LED can be set by Home Assistant over MQTT to notify the user.
• Measures local temperature, humidity, barometric pressure using a BME280 sensor.
• 3D printed case.
• Powered by 5V (standard USB power supplies will work)
• Wifi connectivity from ESP32.

Building this project will require:

• 3D printer to print the case components.
• Basic soldering capability for the wiring.

For information on how to build this project, use the sidebar on the right.