🇬🇷 Greek Design
ESPHome
Home Assistant
2 Relays
2R-Neo Wi-Fi Controller
Compact Wi-Fi controller with two relays for solar heating systems. Built in Greece, dual relay control with status monitoring. Perfect for heating automation and solar water heater control via ESPHome and Home Assistant.
Technical Specifications
Specs
2
Output relay
5A / 250V
Relay amperage
DS18B20
Up to 5 Dallas sensors
4
Optically isolated input
I2C + UART
Expansion ports
Wi-Fi
2.4GHz 802.11 b/g/n
2
4-20mA inputs
1
Modbus
2×PT1000 or 3×NTC
Analogue sensors
PWM
Capability
LoRa
Capability
2
Display options
Features
- 2 relays 5A / 250VAC for controlling circulators and pumps
- Up to 5 Dallas DS18B20 temperature sensors (1-Wire)
- 1 optically isolated digital input
- I2C expansion port for additional sensors
- UART port for serial communication
- ESPHome & Home Assistant ready
- Local operation without internet
- 🇬🇷 Made in Greece — 2-year warranty
Applications
- Solar thermal system automation
- Solar collector circulator control
- Small boiler-room automation
- ΔT control (differential thermostat)
- Temperature monitoring at 5 points
- Home Assistant integration via ESPHome
Interested in the 2R-Neo?
Contact us for pricing, availability and technical questions.