SAT
esphome
SAT | esphome | |
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3 | 227 | |
41 | 7,857 | |
- | 6.0% | |
9.3 | 9.9 | |
18 days ago | 1 day ago | |
Python | C++ | |
GNU General Public License v3.0 only | GNU General Public License v3.0 or later |
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SAT
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ESPHome
If your boiler supports OpenTherm, check out https://github.com/Alexwijn/SAT
You can have your thermostat in home assistant and make your boiler run as efficiently as possible at the same time
See https://news.ycombinator.com/item?id=40052824
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100% Efficient Gas Boiler with Real-Time Data
SAT (Smart Autotune Thermostat) is a free integration you can add to Home Assistant, which can work with your existing thermostat but the intention is that it replaces it altogether (SAT becomes your virtual thermostat). There are many more features but it's best to head to https://github.com/Alexwijn/SAT for details.
OpenTherm is a standard communications protocol which SAT uses, however, you need this hardware - https://www.nodo-shop.nl/en/featured/211-opentherm-gateway.h...
The installation is usually very simple, you connect two cables to the boiler and its OpenTherm module in the boiler and then it uses MQTT to connect to Home Assistant via WiFi. If you are not comfortable touching the boiler, ask your plumber to help you.
By the way, that hardware is much cheaper than Hive which does not support OpenTherm at all. Google Nest does but is so extremely limited, and from my experience, it was cycling too often and did not autotune which is the main reason why you want SAT.
If you check the manufacturer of your boiler and its model, you should be able to find out if your boiler supports OpenTherm.
This is new build~ (2017) but we are not the first owners of the house and personally, I would probably not try to retrofit such system.
esphome
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A Beginner's Guide to the ESP8266
For the ESP32, an hero is in the process of adding LVGL to ESPHome. You can try it out now: https://github.com/esphome/esphome/pull/6363
Here's the (very good!) preview documentation: https://deploy-preview-3678--esphome.netlify.app/components/...
This is such a game-changer for me that I'll be using the ESP32 over the ESP8266 for any projects involving displays from now on.
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ESPHome
Solid state relay is probably a bad idea with all the extra heat-sinking, extra cost, and chance of getting counterfeits.
I do this with ESPHome & a J115F21C12VDCS.9 relay (note only the NO side is rated for 40A resistive): https://i.imgur.com/MqqOkoY.png
Choose any of the temperature sensors here for air temperature sensing: https://esphome.io/
Configuration is so easy. For the sensor, just copy the config from here, for example: https://esphome.io/components/sensor/bme280. Add a gpio output (https://esphome.io/components/output/gpio) and a bang-bang climate controller (https://esphome.io/components/climate/bang_bang.html)
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A Custom Zigbee Doorbell
You might want to take a look at https://esphome.io/ for an easy integration of an ESP32/8266 into home Assistant.
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Thoughts, learnings and regrets after three years on Home Assistant
You can do this with a $30 Sonoff S31 running ESPHome [0]. Since the Sonoff wall switch can run a ping sensor against your server you could create a watchdog automation right on the S31 to shut off the mains power to the S31 switch and turn back on after X seconds.
There are other ways you could have the S31 do operational checks but ultimately ESPHome is probably an interesting consideration and supported by tons of off the shelf hardware.
[0] https://esphome.io/
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Fixing a broken smart cat feeder with ESP32
They're pretty great and compatible with most things. ESPHome [1] is a great resource for getting ESP32's working nicely with HA and you can find lots of projects using it to learn from.
You'll likely need to do soldering if you want to connect sensors, batteries and the like.
Personally I really like what SEEED Studio [2] does with their ESP32 boards and they have nice docs.
1. https://esphome.io/
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How to connect a SwiftUI app to NodeMCU ESP32
Maybe you could set up ESPHome on the ESP32. It might make connecting those components easier, plus a decent web server built in. Then your app can be set up to access data provided by the ESPHome web server.
- Esp32 communication over the internet
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Adafruit Feather ESP32-S2 with BME280 will not work!
# # Setting pins for sda and scl will be required until https://github.com/esphome/esphome/pull/2970 is released
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Hey all! ESP32 beginner here, looking for a little advice
Probably an unpopular opinion, but for the simple stuff you may just want to use something like EspHome where you just need to create a yaml file. Once you’re comfortable with that maybe get into something a bit more advanced, but esphome make it a breeze. It integrates with home assistant if you already have that in place as well.
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List of your reverse proxied services
ESPHome
What are some alternatives?
ESPresense - An ESP32 based node for gathering indoor positioning and transmitting to mqtt
ESP-Now - ESP-Now Examples
Tasmota - Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
esp-homekit - Apple HomeKit accessory server library for ESP-OPEN-RTOS
tuya-convert - A collection of scripts to flash Tuya IoT devices to alternative firmwares
Node RED - Low-code programming for event-driven applications
IRremoteESP8266 - Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/
micropython-nanoweb - Full async Micropython web server with small memory footprint.
openhab-distro - The binary distribution of openHAB
fingerprint-mqtt - Fingerprint sensor with MQTT support based on Adafruit Fingerprint Sensor Library
hassio-zigbee2mqtt - Hass.io add-on for zigbee2mqtt
esp8266_milight_hub - Replacement for a Milight/LimitlessLED hub hosted on an ESP8266