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"path": "/2026/05/07/haui-3gang-touch-display-7-inch-wall-mount-home-assistant-dashboard-with-mqtt-support/",
"publishedAt": "2026-05-07T03:09:59.000Z",
"site": "https://www.cnx-software.com",
"tags": [
"Broadcom BCMxxxx",
"Debian",
"Hardware",
"Linux",
"display",
"home assistant",
"home automation",
"IoT",
"mqtt",
"Raspberry Pi",
"smart home",
"touchscreen",
"HAUI 3Gang Touch Display is a 7-inch wall-mount Home Assistant dashboard with MQTT support",
"CNX Software - Embedded Systems News"
],
"textContent": "The HAUI 3Gang Touch Display is a wall-mount smart home control dashboard designed specifically to run Home Assistant, OpenHAB, Domoticz, or any other web-based home automation dashboard. Built around a Raspberry Pi 3B+ since it’s one of the cheapest options following Pi 4/5 price hikes, the HAUI (Home Assistant User Interface) replaces standard wall switches and fits into a standard single-gang electrical box, while its front panel spans roughly a three-gang footprint, hence the “3Gang” name. It runs a customized version of FullpageOS Linux distribution with a Chromium browser in kiosk mode and includes built-in MQTT integration along with SSH access for advanced users. HAUI Touch Display specifications Main Controller – Raspberry Pi 3B+ Display – 7-inch capacitive touchscreen Connectivity – Wi-Fi on Raspberry Pi (configured via initial setup wizard) Power Input Voltage – 120 VAC ±10% Maximum Current – 1 A Internal USB charger module (Line/Neutral wiring, no ground [...]\n\nThe post HAUI 3Gang Touch Display is a 7-inch wall-mount Home Assistant dashboard with MQTT support appeared first on CNX Software - Embedded Systems News.",
"title": "HAUI 3Gang Touch Display is a 7-inch wall-mount Home Assistant dashboard with MQTT support"
}