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Published June 15, 2026 ©

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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.

COMPONENTS Hardware components

WIZnet - W5500

x 1


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, glass-break sensors, sirens, and strobe lights. However, the original alarm panel may be outdated, may require costly cloud subscriptions, or may not integrate well with smart home platforms such as Home Assistant.

The Konnected Alarm Panel Pro reuses this existing wiring and connects a traditional wired alarm system to smart home ecosystems such as SmartThings, Home Assistant, Hubitat, Control4, and Alexa. The product page highlights 12 zones per panel, Ethernet or Wi-Fi connectivity, siren/strobe outputs, PoE support, reuse of existing wired sensors, and no required monthly fees.

In short, this product is not about replacing every security sensor in the home. It is a smart alarm gateway that connects existing wired security infrastructure to a modern smart home network.


📌 Company / Brand Context

Source: konnected.io Homepage

 

Konnected is a smart home security hardware company based in Orlando, Florida, USA. The company’s About page lists its address in Orlando, and the Alarm Panel Pro technical specifications describe the product as Designed in the USA and Assembled in North America.

Konnected began as a DIY project to make an existing wired alarm system controllable from a smartphone. According to the company’s About page, founder Nate Clark converted his family’s old wired alarm system into a smartphone-enabled smart home monitoring system in 2016, which became the starting point for Konnected.

After receiving positive feedback from the SmartThings community, Konnected began selling DIY kits. In 2017, the company launched its first Alarm Panel product through Kickstarter. In 2020, it introduced the Alarm Panel Pro with Ethernet, Wi-Fi, PoE, and 12 zones.

Today, Konnected positions its mission around making smart home monitoring more open, accessible, and affordable. Its product ecosystem has expanded into wired alarm retrofit solutions, garage door control, smart home monitoring, and professional installer / partner networks.


📌 Company Ecosystem and Product Line

Konnected’s ecosystem is built around the idea of connecting existing wired devices to modern smart home platforms.

Its main product categories include:

  • Alarm Panel Pro: a 12-zone smart alarm panel that replaces an existing wired alarm panel
  • Alarm Panel Conversion Kit: a kit for replacing a traditional wired alarm panel with a Konnected panel
  • Alarm Panel Interface Kit: a kit that keeps the existing alarm panel while adding smart home functionality in parallel
  • Smart Garage Door Opener: a product that connects garage doors to smart home systems
  • Add-ons / Accessories: tablet frames, relay modules, 12V-to-5V converters, enclosures, and other installation accessories
  • Installer / Partner Network: an installation partner ecosystem for users who prefer professional help

A key characteristic of Konnected is that it is not tied to a single smart home platform. The product pages and navigation emphasize integration with SmartThings, Home Assistant, Hubitat, Control4, Alexa, MQTT, and other systems.

From this perspective, Konnected can be understood as a company building a retrofit smart security ecosystem that connects hardwired home security infrastructure to local or cloud-based smart home platforms.


📌 What is a Wired Alarm Retrofit Panel?

A wired alarm retrofit panel is a device that reuses the wired security sensors already installed in a home while replacing, or working alongside, the old alarm panel.

A traditional wired alarm system may include devices such as:

  • Door / window contact sensors
  • Wired PIR motion sensors
  • Glass-break detectors
  • Water leak sensors
  • Smoke / CO detector signal outputs
  • Sirens
  • Strobe lights
  • Keypad wiring

In a traditional alarm setup, these sensors are connected to a conventional alarm panel and keypad. The Konnected Alarm Panel Pro connects to the existing wiring and exposes each zone as a smart sensor in a smart home platform.

For example, an existing “Front Door” contact sensor can appear as a door sensor entity in Home Assistant or SmartThings, while existing siren wiring can be used as an alarm output in a smart home automation.


📌 What This Product Does

The Konnected Alarm Panel Pro turns an existing wired alarm system into a smart home alarm system.

Its core function is to read up to 12 wired zone inputs, such as door/window sensors, motion sensors, glass-break sensors, and leak detectors. Each zone appears as an individual sensor in the connected smart home platform, allowing users to create notifications, automations, and alarm routines.

The product also provides siren and strobe outputs, allowing existing alarm sirens or strobe lights to be reused. The product page describes a 12V alarm output, a 3.3V signal output, a toggleable 12V/3.3V output, and a 12V auxiliary output.

For networking, it supports Ethernet, Wi-Fi, and PoE. With Ethernet/PoE, the alarm panel can be connected to a stable wired network, and power plus networking can be supplied through a PoE switch. Wi-Fi is also supported for installations where wired networking is difficult.


📌 Product Specifications

Based on the product page technical specifications, the Alarm Panel Pro includes the following features.

  • Connectivity
    The product supports 802.11b/g/n 2.4GHz Wi-Fi and 100BASE-TX Ethernet. It also supports PoE+ 802.3at.
  • Microcontroller
    The product page specifies an ESP32 microcontroller. The official GitHub firmware configuration describes the Alarm Panel 3e as an ESP32-S3 + W5500 Ethernet/PoE design.
  • Inputs / Outputs
    The panel provides up to 12 NC/NO wired sensor input zones. Zones 1–8 can also be used as 3.3V signal outputs or temperature sensor inputs.
  • Alarm Outputs
    The product provides one dedicated 12V alarm output, one dedicated 3.3V signal output, and one toggleable 12V/3.3V output. These outputs can be used with existing alarm sirens or strobe lights.
  • Power
    The panel supports 12VDC 2.5A input or power from a PoE+ compatible network switch. The device-only power draw is described as up to 300mA at 12VDC, though actual total power consumption depends on connected sirens and auxiliary devices.
  • Expansion
    The product includes an expansion port that can be used with up to two Konnected Alarm Panel Interface modules.
  • Physical / Origin
    The product size is approximately 14.5 cm × 4.6 cm. The product page describes it as Designed in the USA and Assembled in North America.

📌 Why Ethernet / PoE Matters

A security alarm panel is an always-on device. It must reliably detect door/window sensor and motion sensor events, and alarm siren or notification triggers must work dependably.

For this type of device, Ethernet and PoE provide clear advantages.

  • Less dependence on Wi-Fi signal quality
  • Stable connectivity even when installed in a utility room, basement, or wiring closet
  • Power and network through a single cable when using a PoE switch
  • More reliable delivery of security events, sensor states, and automation triggers
  • Better connection stability with platforms such as SmartThings, Home Assistant, and Hubitat

The fact that the Konnected Alarm Panel Pro supports Ethernet, Wi-Fi, and PoE is a practical advantage in the retrofit alarm market.


📌 Role and Application of the WIZnet Chip

Github: https://github.com/konnected-io/konnected-esphome/blob/master/alarm-panel-3e.yaml

Related WIZnet product: W5500

The official Konnected GitHub firmware configuration file alarm-panel-3e.yaml explicitly describes the device as an ESP32-S3 + W5500 Ethernet/PoE design. The same file defines a dedicated Ethernet pin mapping for W5500 and includes the W5500 Ethernet package.

The packages/ethernet-w5500.yaml file defines ethernet: type: W5500, along with clock, MOSI, MISO, CS, interrupt, reset pins, and a 25MHz clock speed.

Based on this configuration, the W5500 acts as the Ethernet controller that connects the ESP32-S3-based smart alarm panel to wired Ethernet and PoE networking.

For a security alarm panel, stability matters more than bandwidth. Sensor events and alarm output states are small pieces of data, but they must be delivered accurately and quickly. W5500-based Ethernet provides a suitable wired network path for this type of always-on smart security device.


📌 Network Stack Note

The public GitHub configuration strongly indicates W5500 Ethernet usage. The alarm-panel-3e.yaml file describes the device as “ESP32-S3 + W5500 Ethernet/PoE,” and ethernet-w5500.yaml uses ESPHome’s ethernet: type: W5500 configuration.

However, it would not be accurate to describe this as a direct WIZnet socket-library or TOE example. Based on the public configuration, the product uses the W5500 Ethernet component in ESPHome. In other words, it is safer to understand it as using W5500 as an Ethernet interface through ESPHome / ESP32 networking abstractions, rather than firmware that directly calls WIZnet socket APIs.

A safe technical description is:

The Konnected Alarm Panel 3e is confirmed in the public ESPHome firmware configuration as an ESP32-S3 + W5500 Ethernet/PoE design. However, it should be described as a product configuration using W5500 through ESPHome’s Ethernet component, rather than as a direct WIZnet socket-library TOE example.


📌 Hybrid Network Status

The Konnected Alarm Panel Pro / Alarm Panel 3e can be considered Hybrid Network-ready from a WIZnet perspective.

The product page describes the Alarm Panel Pro as supporting Ethernet or Wi-Fi connectivity, as well as PoE. This means users can choose wired Ethernet or wireless Wi-Fi depending on the installation environment.

This does not mean the product is an Ethernet-to-Wi-Fi bridge or router. A more accurate description is that the security alarm panel can use either wired Ethernet/PoE or Wi-Fi as its network path.

This aligns well with WIZnet’s Hybrid Network message. For a security panel, Ethernet/PoE is attractive because of reliability, while Wi-Fi provides a fallback or alternative when wiring is difficult.


📌 Features

  • 12 wired alarm zones
    The product provides up to 12 wired NC/NO zone inputs for door/window sensors, motion sensors, glass-break detectors, leak detectors, and similar devices.
  • Siren / strobe outputs
    The panel provides outputs for reusing an existing alarm system’s siren or strobe light.
  • Ethernet / Wi-Fi connectivity
    The product supports both wired Ethernet and 2.4GHz Wi-Fi, allowing users to choose the right connection for their installation.
  • PoE+ support
    The panel supports power from a PoE+ compatible network switch.
  • ESP32-based smart alarm panel
    The product page describes the device as ESP32-based, and the official firmware configuration describes Alarm Panel 3e as an ESP32-S3 + W5500 Ethernet/PoE design.
  • Smart home platform integration
    The product integrates with platforms such as SmartThings, Home Assistant, Hubitat, Control4, Alexa, and MQTT.
  • No required monthly fees
    The product page emphasizes app-based self-monitoring without required monthly fees.
  • Open-source technology
    Konnected presents open-source technology as one of its key values in the product comparison.
  • Expandable alarm system
    Users can add more Konnected panels if they need more zones.
  • Installer and partner ecosystem
    For users who do not want to install the product themselves, Konnected provides an installer and partner ecosystem.

📌 System Architecture

The Konnected Alarm Panel Pro can be understood through four layers: wired sensor layer, alarm panel layer, network layer, and smart home platform layer.

The wired sensor layer includes existing home security devices such as door/window contacts, motion sensors, glass-break detectors, leak detectors, sirens, and strobe lights.

In the alarm panel layer, the Konnected panel replaces the old alarm panel, or in the case of the Interface Kit, connects in parallel with the existing panel. The Alarm Panel Pro reads each wired zone as a digital sensor and controls siren/strobe outputs.

In the network layer, Ethernet, Wi-Fi, and PoE are used. In the ESP32-S3-based Alarm Panel 3e configuration, W5500 is confirmed as the Ethernet component.

In the smart home platform layer, platforms such as SmartThings, Home Assistant, Hubitat, Control4, Alexa, and MQTT receive sensor states and alarm events for automations, notifications, and monitoring.


📌 Usage, Market, and Application Value

The Konnected Alarm Panel Pro is especially useful for homes that already have wired security sensors installed.

Instead of replacing every sensor with new wireless devices, users can reuse existing wired sensors and sirens. This provides cost savings and installation convenience.

Main use cases include:

  • Converting an existing wired alarm system into a smart home alarm system
  • Adding smart alarm functionality to a pre-wired new home
  • Building local alarm automation with Home Assistant
  • Using app-based monitoring with SmartThings
  • Creating security automations with Hubitat or Control4
  • Reusing existing sirens and strobe lights
  • Turning door, window, motion, and leak sensors into smart home sensors
  • Creating a self-monitoring system without required monthly fees
  • Providing a retrofit smart security solution through professional installers

From a market perspective, this product fits the wired alarm retrofit market in the United States and North America. Many homes already have wired alarm sensor wiring, but the original panels may be outdated or limited in smart home integration. Konnected turns that wiring into a smart home asset instead of discarding it.


📌 Company Ecosystem and Market Position

Konnected targets both DIY smart home users and the professional installation market.

The company initially grew through the SmartThings community and Kickstarter, then expanded into products such as the Alarm Panel Pro, Alarm Panel Interface, and Smart Garage Door Opener. The About page describes Konnected as having a presence in more than 60 countries, compatibility with more than nine smart home platforms, and more than 15,000 cloud users.

Konnected’s ecosystem can be summarized as follows:

  • Converting existing wired alarm systems into smart home systems
  • Providing conversion kits for DIY users
  • Providing a partner network for professional installers
  • Supporting multiple platforms such as SmartThings, Home Assistant, Hubitat, and Control4
  • Offering both Konnected Cloud and LAN-based local automation
  • Building an open-source smart home security hardware ecosystem

In this sense, Konnected is not just a security panel manufacturer. It can be understood as a retrofit smart security company that connects hardwired home security infrastructure to the smart home ecosystem.

SNS

Facebook: https://www.facebook.com/konnected.io/ 

Instagram: https://www.instagram.com/konnected.io/ 

Youtube: https://www.youtube.com/c/konnected-io 

X: https://x.com/konnected_io 

 


📌 Additional Insight for W5500 / WIZnet

The Konnected Alarm Panel Pro / Alarm Panel 3e is a meaningful VAR candidate from a WIZnet perspective.

First, it has a strong end-product character. It is not just a development board or experimental project. It is a smart home security product sold to consumers and installers.

Second, the value of Ethernet/PoE is clear. A security panel must always be on, must reliably deliver sensor events, and is often installed in locations such as utility rooms or wiring closets. In this environment, W5500-based Ethernet can be more convincing than Wi-Fi alone.

Third, it fits well with the Hybrid Network message. The product supports both Ethernet/PoE and Wi-Fi. It can use wired Ethernet in stable installations and Wi-Fi where wiring is difficult.

Fourth, it connects with the Home Assistant / ESPHome ecosystem. The official firmware configuration is published in ESPHome format and uses the W5500 Ethernet component. This gives WIZnet a useful channel for visibility among makers and smart home integrators.

From a WIZnet perspective, this product can be introduced as a real smart home security end product using W5500 Ethernet/PoE.


📌 Things to Know Before Use

Because this product connects to an actual security system, users should check several points before installation.

  • How many zones the existing alarm system uses
  • Whether a Conversion Kit or Interface Kit is needed
  • Whether the old alarm panel will be fully replaced or kept in parallel
  • Whether Ethernet/PoE installation is possible
  • Whether Wi-Fi installation is more appropriate
  • Whether the voltage and current requirements of the existing siren/strobe match the product specifications
  • Whether smoke/CO detectors are being relied on for life-safety functions
  • Which platform will be used: SmartThings, Home Assistant, Hubitat, Control4, or another system
  • Whether DIY installation is suitable or a professional installer is needed

The product page notes that smoke/CO detectors can be used with the system, but this product itself should not be relied on as a fire or life-safety device. Therefore, environments requiring certified life-safety protection should maintain separate certified safety systems.


📌 Summary

Konnected Alarm Panel Pro / Alarm Panel 3e is a retrofit smart alarm panel that connects existing wired alarm sensors and sirens to smart home platforms. It provides 12 zones, siren/strobe outputs, Ethernet, Wi-Fi, PoE, an ESP32-based microcontroller, and integration with SmartThings, Home Assistant, Hubitat, and Control4.

Konnected is a Florida-based smart home security company focused on making hardwired technology smarter. The company combines DIY conversion kits, a professional installer network, multiple smart home platform integrations, and open-source technology into a retrofit home security ecosystem.

The key WIZnet-related point is that the official GitHub firmware configuration directly confirms an ESP32-S3 + W5500 Ethernet/PoE design. The alarm-panel-3e.yaml file includes W5500 pin mapping, and ethernet-w5500.yaml contains ethernet: type: W5500.

From a WIZnet perspective, this product is a Hybrid Network-ready end-product case. It supports both Ethernet/PoE and Wi-Fi, and the value of W5500 Ethernet is clear in a reliability-critical device such as a security alarm panel.


📌 Similar Existing WIZnet Maker Site Content

It is difficult to find an existing WIZnet Maker Site post that is exactly the same as Konnected Alarm Panel Pro, especially in the category of a “wired alarm retrofit panel.” However, the following existing posts can be connected from the perspectives of Ethernet-based I/O control, smart home automation, and PoE/Ethernet installation.


1. Programmable IoT Edge ESP32 Ethernet IO Module

URL Link:
https://maker.wiznet.io/matthew/resellers/programmable-iot-edge-esp32-ethernet-io-module/

Why it is similar:
This content introduces an ESP32-based Ethernet I/O module and covers remote monitoring, secure I/O control, MQTT, MODBUS TCP, Ethernet, Wi-Fi, Bluetooth, alarm applications, and automated task applications.

Konnected Alarm Panel Pro also reads existing wired alarm zones as digital inputs and controls siren/strobe outputs. Therefore, both products share the concept of an Ethernet-based I/O monitoring and control device.

Difference:
The Programmable IoT Edge ESP32 Ethernet IO Module is closer to an industrial, facility, or general-purpose I/O monitoring product. In contrast, Konnected Alarm Panel Pro is a smart home security retrofit end product that connects existing wired alarm systems in North American homes to SmartThings, Home Assistant, Hubitat, and Control4.


2. [AIoT] Smart Office Automation detecting Human Presence

URL Link:
https://maker.wiznet.io/siva_ranjeet/projects/%5Baiot%5D-smart-office-automation-detecting-human-presence/

Why it is similar:
This content uses a WIZnet Pico board to detect human presence and automatically turn electrical devices in a room on or off.

Konnected Alarm Panel Pro also reads existing wired sensors such as door/window contacts, motion sensors, and glass-break sensors, then connects those sensor states to smart home automation. In that sense, both contents share the idea of detecting the state of a space and connecting it to automation.

Difference:
Smart Office Automation is a maker-style UCC project focused on presence detection and relay control. Konnected Alarm Panel Pro is a commercial retrofit alarm panel installed in real home security systems, connecting existing security sensors and siren/strobe outputs to smart home platforms.


3. Konnected Alarm Panel Pro / Alarm Panel 3e — Target Product

URL Link:
https://konnected.io/products/konnected-alarm-panel-pro-12-zone-kit

GitHub Firmware Reference:
https://github.com/konnected-io/konnected-esphome/blob/master/alarm-panel-3e.yaml

Why it should be connected:
This product is a new VAR candidate that can be connected to existing WIZnet Maker Site content related to smart automation, Ethernet I/O, and PoE/Ethernet installation. The official product page introduces Alarm Panel Pro as a retrofit alarm solution that connects existing wired alarm systems to SmartThings, Home Assistant, Hubitat, Control4, and other platforms.

The official GitHub firmware configuration describes Alarm Panel 3e as an ESP32-S3 + W5500 Ethernet/PoE design, which provides relatively clear evidence of W5500 usage from a WIZnet perspective.


📌 Difference and Expansion Value

The biggest differentiator of Konnected Alarm Panel Pro is that, while many existing Maker Site contents focus on development boards, I/O modules, PoE/Ethernet shields, or smart automation demos, Konnected is a smart home security end product sold to real consumers and installers.

Compared with the existing related content, the connection can be summarized as follows:

Programmable IoT Edge ESP32 Ethernet IO Module is similar from the perspective of Ethernet-based I/O monitoring and control.

[AIoT] Smart Office Automation detecting Human Presence is similar because it connects sensor events to automation.

Konnected Alarm Panel Pro expands this direction into the real residential security retrofit market.

Konnected Alarm Panel Pro provides the following expansion value.

First, it can be introduced as an example of WIZnet Ethernet being applied to a smart home security end product.
It is not just a development board or experimental project, but a product targeting the North American residential security retrofit market.

Second, it connects the W5500 + ESP32-S3 + ESPHome + Home Assistant ecosystem.
The official firmware configuration is based on ESPHome, and the W5500 Ethernet/PoE configuration is confirmed.

Third, it helps communicate the message of a PoE-based always-on smart security device.
A security panel must always stay online and reliably deliver sensor events, making it a strong use case for explaining the value of W5500 Ethernet/PoE.

Fourth, it can be used as a Hybrid Network-ready product example.
Konnected Alarm Panel Pro supports both Ethernet/PoE and Wi-Fi, allowing users to choose either a wired or wireless network path depending on the installation environment.

Fifth, it is a retrofit market example that turns existing wired infrastructure into smart home assets.
Unlike products that require users to install all-new sensors, Konnected reuses door/window sensors, motion sensors, and siren wiring that are already installed in the home.

In conclusion, when connected with existing Maker Site content, Konnected Alarm Panel Pro becomes a strong expansion case that links smart home automation → Ethernet I/O control → PoE/Ethernet installation → real security end product.

 

📌 FAQ

Q1. What is the Konnected Alarm Panel Pro?
It is a retrofit smart alarm panel that connects existing wired alarm sensors and sirens to smart home platforms such as SmartThings, Home Assistant, Hubitat, and Control4.

Q2. What kind of company makes it?
Konnected is a Florida-based smart home security company that makes products for turning existing hardwired alarm systems into open, accessible, and affordable smart home monitoring systems.

Q3. Where is the product from?
According to the product page, the Alarm Panel Pro is Designed in the USA and Assembled in North America.

Q4. Which WIZnet chip is involved?
The official GitHub firmware configuration describes the Alarm Panel 3e as an ESP32-S3 + W5500 Ethernet/PoE design. The W5500 acts as the Ethernet controller for wired network connectivity.

Q5. Is the W5500 used through direct TOE/socket-library APIs?
Based on the public configuration, it uses ESPHome’s ethernet: type: W5500 component. It is safer to describe it as using W5500 as a network interface through ESPHome’s Ethernet component, rather than as a direct WIZnet socket-library TOE example.

Q6. Is it a Hybrid Network product?
Yes. Since it supports both Ethernet/PoE and Wi-Fi, it can be considered Hybrid Network-ready from a WIZnet perspective. However, it is not an Ethernet-to-Wi-Fi bridge or router.

Q7. Which smart home platforms does it support?
It supports integration with SmartThings, Home Assistant, Hubitat, Control4, Alexa, MQTT, and related smart home systems.

Q8. Who is this product suitable for?
It is suitable for users who want to reuse existing wired alarm sensors and turn them into a smart home alarm system, users building local alarm automation with Home Assistant, and users who want self-monitoring without required monthly fees.

Q9. Why is it meaningful for WIZnet?
Because it is not just a module or development board. It is a real smart home security end product where W5500 Ethernet/PoE is used in a commercially available device.

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