http://wiki.opentrafficmap.org/ 2026-08-08T09:24:29+00:00 http://wiki.opentrafficmap.org/ http://wiki.opentrafficmap.org/_media/wiki:dokuwiki.svg text/html 2026-08-06T16:23:00+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.opentrafficmap.org/en:software:home_assistant?rev=1786033380&do=diff Home Assistant There are two ways to combine OpenTrafficMap with Home Assistant: Monitoring an OpenTrafficMap node The node publishes its telemetry to the MQTT broker. Home Assistant can read it via the MQTT integration; from there you can build sensors, automations, and dashboards. The credentials for subscribing to your own node are shown in the self-service portal — see text/html 2026-08-06T16:38:10+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.opentrafficmap.org/en:software:mqtt?rev=1786034290&do=diff MQTT Server All receivers report their data to a central MQTT broker, which feeds the live map at opentrafficmap.org. Connecting * The current connection string (host and port) is defined in the firmware: its-g5-receiver-firmware/main/config.c * Publishing requires no username or password. * Every node identifies itself by its text/html 2026-08-06T16:22:57+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.opentrafficmap.org/en:software:transmission_methods?rev=1786033377&do=diff Transmission Methods There are several ways to get the C-ITS frames received by an ESP32-C5 into OpenTrafficMap (i.e. onto our MQTT server): Ethernet (official firmware) Connect the ESP32-C5 directly to the internet with an SPI-to-Ethernet chip (W5500, ENC28J60):