Konnected Alarm Panel Pro 12-Zone Conversion Kit

An ESP32 + W5500 Ethernet/PoE smart alarm panel that connects existing wired security sensors and sirens to SmartThings, Home Assistant, Hubitat, and more.

matthew

Published June 15, 2026

Original author: Konnected · United States of AmericaOriginal source (new tab)

Components

Hardware components

WIZnet - W5500

x 1

WIZnet parts

W5500 Datasheet

Project description

Konnected Alarm Panel Pro — W5500 Ethernet/PoE-Based Smart Wired Alarm Panel Recommended Components WIZnet W5500 ESP32 / ESP32-S3 Ethernet / PoE Wi-Fi 12-zone Wired Alarm Inputs Siren / Strobe Outputs 12V Auxiliary Output USB Service Port ESPHome SmartThings Home Assistant Hubitat Control4 Amazon Alexa PRODUCT DESCRIPTION 📌 Overview Konnected Alarm Panel Pro is a retrofit alarm panel that turns an existing wired home security alarm system into a smart home alarm system. Many homes already have wired security devices installed, such as door/window contact sensors, PIR motion sensors…

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