Product Description
Features
- 3D Printed case (please select one)
- Controls heating, ventilation, air conditioning and/or hot water individually from any Internet connected point on earth
- Supports most HVAC systems with 4 wires R, W, Y, G (Red, White, Yellow, Green) – Please note that separate mains voltage is still needed and common wire C is not supported
- Monitors temperature, air pressure and humidity and plots them against time as a graph
- Fahrenheit (°F – default) and Celsius (°C) supported
- 3.5″ LCD single-point touch screen snaps on RaspberryPi GPIO header
- WiFi Internet connectivity
- Mains powered (100-240V AC) < 3W
- Raspberry Pi Zero W Inside
- Running OpenHAB 2 platform
- Fully MQTT compatible
- Smartphone App supports Android, iOS, Windows and Pebble
- Modular design for easy future upgrades and troubleshooting
Specs
Enclosure
Display
Main board
Processor
Memory
Storage
Connectivity
Sensor
Sensor range (min/max)
Accuracy
3-part 3D printed case
3.5″ LCD resistive touch screen
Raspberry Pi Zero W
Broadcom BCM2835 @ 1GHz, Single-core CPU
512MB RAM
8GB microSD loaded with latest software updates
> 802.11 b / g / n Wireless LAN
> Bluetooth 4.1 Low Energy (BLE)
Bosch BME280 I²C
Temperature: -40/80°C
Relative Humidity: 0-100%RH
Temperature: ±0.5 °C
Relative Humidity: ±3 %RH
2A 110-250VAC
3 Solid State Relays (SSR) – Please note that *only* AC (not DC) current can be controlled. That is the standard in all HVAC systems.
Less than 3W. That means less than 5GBP or 5USD per year!
Seen from Raspberry Pi side, top to bottom. Left: AC (L), AC (N) Right: R, Y, W, G (Red, Yellow, White, Green)
12×13.5×3.8cm
Please note that bottom side of PCB, microHDMI, USB for power and camera connectors are physically blocked
Instructions:
Please read the documentation before purchase and installation and make sure you know what you are doing.
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