|8 months ago||about 14 hours ago|
|-||GNU General Public License v3.0 only|
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The unbearable fussiness of the smart home
8 projects | news.ycombinator.com | 24 Nov 2021
Au contraire - your setup is way more sophisticated than mine.
I have some 433MHz kit, plus a bundle of various arduinos, but (for me) the complexity of getting them to talk back to base has kept me procrastinating for years.
The ESP8266/ESP32 devices, with WiFi built-in, are effectively the same price as arduinos (here in AU, via ebay) but so much more convenient because of that extra memory + the wifi. I'm going to have some frustration with the 3 vs 5 volt, especially with some of the more esoteric components, but so far it's been a breeze to setup.
As Outworlder observes, my back-end is way more complex than a normal human would need - I'm replicating a stack we use at work, so it's basically taking up a bit of space on my home lab. Cortex is for a serious (enterprisey) amount of long-term storage of time-series metrics. Prometheus is easy enough to set up - it scrapes web end points that contain key / value pairs in plain text, and puts those in its own time series data store. Sqlite will scale just as well, I'm sure.
If you have the bandwidth, I can recommend playing with some of these things, just in case they may make your life easier later. Prometheus (server) will run on a Raspbery Pi easy enough.
That's a code fragment to run on an ESP and present a prometheus-compatible end point with a handful of key/value pairs - if you have a spare ESP, run it up, and hit the endpoint to see what I mean. The simplicity is compelling.
If / when I go down the path of custom components plugged into arduinos - and I'd like to one day build something to measure the levels in my rainwater tanks - I think that I'd try to get those data back into an intermediary device (esp or RPi) that could present them in this opentelemetry format, as it would make it easier to swap things around in the future.
Grafana is fantastic, and can produce some gorgeous visualisations from Prometheus (and other) sources. You may even be able to get it doing something with your sqlite DB.
Running up a monitoring agent (Prometheus' node_exporter, or InfluxDB's telegraf - functionally very similar) on your laptop may be a good way to experiment with live data and visualisations with low-effort. (Note that Telegraf will by default try to push into an InfluxDB -- I'm not a huge fan of InfluxDB -- but you can configure it to provide an otel / prometheus-compatible scrapable web endpoint instead.)
Any advice for how to flash *directly* to the flash / skip esptool ?
1 project | reddit.com/r/tasmota | 20 Jan 2022
Partition layout is 0xe000 and probably looks like this: https://github.com/arendst/Tasmota/blob/master/esp32_partition_app1856k_spiffs320k.csv
How to make this work? Do u need an external power supply and if so, how would I wire it in?
2 projects | reddit.com/r/esp8266 | 19 Jan 2022
You can use it out-of-the-box or load Tasmota on it, if you prefer open source.
1 project | reddit.com/r/esp8266 | 17 Jan 2022
PSRAM errors with ESP-32 CAM
1 project | reddit.com/r/esp32 | 12 Jan 2022
Coin operated Ceiling train
2 projects | reddit.com/r/modeltrains | 11 Jan 2022
I’ve recently been building a lot of things with little esp32 microcontrollers running tasmota or ESPhome. It’s really easy and can be really point and click with HA integration.
Systems keeps resetting (boot mode 2) and changes flash each time down by 1. Any idea what is happening? It was working fine before I powered it off over the weekend.
1 project | reddit.com/r/tasmota | 10 Jan 2022
Check this maybe it can be of use.
Control a button from my phone using esp8266
1 project | reddit.com/r/arduino | 7 Jan 2022
Does anyone make a light switch with a remote function that can trigger table lights?
1 project | reddit.com/r/DIYUK | 6 Jan 2022
The software working on it has some basic settings like timers and the like, but you can also upload other software (Gets to be a bit of a tech rabbit hole but I use https://tasmota.github.io/docs/ on both the shelly and my smart plugs and it makes life easier)
1 project | reddit.com/r/arduino | 6 Jan 2022
Thoughts on moving from hodgepodge SaaS IoT to all Zigbee/Zwave?
3 projects | reddit.com/r/homeautomation | 17 Dec 2021
Tasmota for mostly switches (you may be able to flash some of your devices to Tasmota)
What are some alternatives?
WLED - Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!
esp-homekit-devices - Project to add native Apple HomeKit support to any device with an ESP8266 chip
zigbee2mqtt - Zigbee 🐝 to MQTT bridge 🌉, get rid of your proprietary Zigbee bridges 🔨
esphome - ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.
ESP-Now - ESP-Now Examples
tuya-iotos-embeded-sdk-wifi-ble-bk7231n - Tuya IoTOS Embeded SDK WiFi & BLE for BK7231N
arduino-esp32 - Arduino core for the ESP32
sonoff-hack - Custom firmware for Sonoff GK-200MP2B camera
ESPecial - ESP32 automation with web interface and telegram bot
FastLED - The FastLED library for colored LED animation on Arduino. Please direct questions/requests for help to the FastLED Reddit community: http://fastled.io/r We'd like to use github "issues" just for tracking library bugs / enhancements.
HeatPump - Arduino library to control Mitsubishi Heat Pumps via connector cn105
TasmoAdmin - Website to manage Sonoff Devices flashed with Tasmota