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HestiaPi Touch open source Raspberry Pi smart thermostat

11:37 am May 13, 2019 By Julian Horsey

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HestiaPi Touch

This month Google has made a number of changes to its Nest smart thermostat platform and services, some of which will have a profound effect on the integration of the thermostat with other Internet of Things services. If you are interested in moving away from corporate smart thermostats a new open source thermostat specifically designed for controlling HVAC and water systems has been created by the team at MakeOpenStuff.

The HestiaPi smart thermostat is powered by integrated Raspberry Pi Zero W to offer wireless connectivity has been equipped with the 3.5-inch LCD display together with a host of sensors to monitor and control home heating and water. What she demonstration video below to learn more about the open source system that allows you to build your very own smart home thermostat and offer root access and increased privacy and security from the prying eyes of large corporations.

“HestiaPi Touch is a completely open source smart thermostat for your home. With it, you can monitor your home’s temperature, relative humidity, and atmospheric pressure. You can also control your heating, ventilation, air conditioning, hot water, and more from anywhere you have an Internet connection. You can do all this securely and with confidence your private data stays private. HestiaPi Touch is compatible with many devices and home automation systems and can serve as a central point of control that ties them all together in your home.”

Features and specifications of the open source, smart thermostat :

Integrated Raspberry Pi Zero W- Processor: Broadcom BCM2835 single-core CPU running @ 1 GHz
– Memory: 512 MB RAM
– Storage: includes 16 GB microSD card with latest software
Wireless Connectivity
– 802.11 b/g/n wireless LAN
– Bluetooth 4.1 Low Energy (BLE)
Touch Display
– 3.5” LCD resistive, single-point touch screen
– Snaps onto Raspberry Pi GPIO header
Temperature, Humidity, Pressure Sensing
– Integrated Bosch BME280 I²C
– Temperature: -40-80°C, ±0.5°C
– Relative humidity: 0-100%, ±3%
– Atmospheric pressure: 300-1100 hPa, ±1.0 hPa
Solid State Electrical Relays
– Four relays with normally open contacts
– Relays are for AC loads only (as standard for all HVAC systems), no DC loads
– Each relay rated for 2 A, 110-250 V AC
Power
– Connects to mains power or common (C) wire
– Consumes less than 3 W (< $5 per year)
Open Source Software
– Pre-installed with openHAB 2
– Mobile apps for Android, iOS, and Windows
– Fully MQTT compatible
– Can work with Google Home and Amazon Alexa
Enclosure
– 3D-printed
– Choice of colors
Dimensions
– 12 cm x 13.5 cm x 3.8 cm
– 200 grams (EU), 225 grams (US)
Compatibility
– Supports most US systems with five wires: C, R, W, Y, G (Common, Red, White, Yellow, Green)
– Supports most 100-220 V AC mains-powered EU systems
– Fahrenheit (°F) and Celsius (°C) supported

Source: Crowd Supply

Filed Under: DIY Projects, Hardware, Top News

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