webThing Door Sensor

Introduction

WebThing Door Sensor is prepared for ESP32 CPUs and uses esp-idf environment (freeRTOS and LwIP included).

It reads the state on input pin (default GPIO18 pin) from the reed sensor (or other open/close switch) and communicates with the WebThings Gateway via the WebThing API.

Dependencies

Requires:

• web-thing-server from webthings-components

Example

webthings-node-example-project

or

webthings-empty-project

Features

This webThing has the following properties and one event:

• open - state open or closed
• alarm ON/OFF - alarm activation, a notification is sent each time motion is detected
• counter-1 - opening event counter, 0..5000
• last alarm - time of the last sent alarm (notification)
• counter-2 - alarm counter, 0..99
• alarm notification (event) - sent when opening event detected and alarm is activated

Example event log is shown below.

Documentation

See webthings-empty-project and follow steps described in Build webThing Device chapter.

In point 5 download webthing-motion-sensor repository. In function init_things() call init_motion_sensor() and include webthing_motion_sensor.h in your main project file.

Source Code

The source is available from GitHub.

Links

• WebThing Gateway - https://webthings.io/gateway/
• Web Thing API - https://webthings.io/api/
• esp-idf - https://github.com/espressif/esp-idf

License

This project is licensed under the MIT License.

Authors

• Krzysztof Zurek - github