Carletz

DOMIX-Open-Source-Modular-Home-Automation-System. Open-source modular DIN-rail home automation and sensor. ESP32-S3 core with Ethernet, Zigbee, RS485. 9 I/O modules via I2C: relays, contacts, energy meter, sprinklers. ESPHome-based, integrates Home Assistant. Low-voltage, cabinet-oriented. Built for learning & customization.

POE-Zigbee-Coordinator. Custom-designed Zigbee Coordinator board integrating ESP32, Zigbee RF module (RF-BM-2652P2), and Ethernet with Power over Ethernet (PoE) capabilities. It is optimized for smart home or industrial IoT gateway applications, and provides a compact, PoE-powered solution for reliable Zigbee-to-IP bridging.

Zigbee-End-Device. Zigbee End Device designed to operate as a battery-powered contact sensor (for doors, windows, or similar applications). It is based on the Texas Instruments CC2530 Zigbee SoC and can be flashed with the PTVO firmware to provide full Zigbee functionality.

MultiSensor. Full hardware and firmware implementation of a smart multisensor platform powered by ESP32-S3, designed for home and building automation environments.

Sprinkler-Boy. SprinklerBoy is your next-generation smart irrigation controller built around the powerful ESP32 and equipped with native Ethernet connectivity. Whether you're automating a home garden, greenhouse, or a professional irrigation system, SprinklerBoy delivers robust performance, high expandability, and complete control — right out of the box.

DiSoCon. Open-source differential solar thermal controller. ESP32-S3 + ATmega32U4, 4× PT1000 sensing, TRIAC pump control, relay valves, W5500 Ethernet, RS-485, ESPHome. Designed for dual-tank hot water systems.

EtherIrrigation. Ethernet controller for home irrigation. 6 channels inside a 4 DIN box module