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KinCony KC868-A16v3: 16-Channel ESP32-S3 I/O Controller with WIZnet W5500 Ethernet

DIN-rail ESP32-S3 controller: 16 digital inputs and 16 MOSFET outputs, WIZnet W5500 wired Ethernet, RS485, and Home Assistant/ESPHome support.

ElenaLee

Published September 14, 2026

5 UCC

6 VAR

Original source (new tab)

KinCony KC868-A16v3: 16-Channel ESP32-S3 I/O Controller with WIZnet W5500 Ethernet

Components

Hardware components
W5500

WIZnet - W5500

x 1

WIZnet parts

Project description

Overview The KinCony KC868-A16v3 is a commercially available, DIN-rail ESP32-S3 automation controller with 16 digital inputs and 16 outputs, using a WIZnet W5500 hardwired TCP/IP Ethernet controller for its wired network path. It targets home and building automation and light industrial control where a reliable, always-on 10/100 Mbps Ethernet link (IPv4/IPv6) is preferred over Wi-Fi. The A16v3 is the 16-channel model in KinCony's KC868-A series, complementing the A2v3 and A8v3 that the maker site already carries. Who makes it KinCony (Shenzhen, China) builds a wide range of ESP32-based…

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