#homeautomation
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Portland, Oregon • Tue, January 21, 2020 6:42pm#HomeAutomation meetup -
Troy Hunt: Wiring a home network from the ground-up with Ubiquiti (www.troyhunt.com)
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This is what you can do with an open/local home automation ecosystem.
This took me 15 minutes: the light turns purple when @barbot is pouring a drink and green when it's done.
Here's some more info on my home automation setup that makes this possible: https://aaronparecki.com/home-automation/
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I finally started documenting all the home automation devices and apps I use, with the main goal of everything running locally! Here's a fun list to browse through if you're looking for some holiday shopping ideas!
https://aaronparecki.com/home-automation/ -
udev rules for ttyUSB devices | TXLAB (txlab.wordpress.com)
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Huge crowds out today to hear @aaronpk discussing Smarter Home Automation Without The Cloud. Starting out with some great examples of when home automation has gone horribly wrong if servers go down. #oredev https://twitter.com/BaileyHanna/status/1192462917830090757/photo/1
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Made it to Malmö! Looking forward to Øredev this week where I'll be giving two talks!
⛏🔐 How to Hack OAuth
https://oredev.org/sessions/how-to-hack-oauth
and
🏠🚫☁️ Smarter Home Automation Without the Cloud
https://oredev.org/sessions/smarter-home-automation-without-the-cloud
See you there! 🎉
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SunCalc - sun position calculator (www.suncalc.org)
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and now the light behind the litter box glows red when it's dirty and green when it's clean! No more needing to peer into the little door to look for stuff in the box!
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Just made my first Node-RED flow to detect whether the litter box is dirty or clean!
1: When motion in the litter box is detected, wait 5 seconds, check if the door is closed, and if so, set to "dirty"
2: When the door is opened, set to "clean"
Took a bit to figure out all the Node-RED terminology and figuring out how to "think" in that model, but I do appreciate not having to write code to do this now!
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Finished the picture frame that shows my upcoming travel!
It shows my current location and local time, the dates of my next trip, and my departing or arriving flight information!
Let's call this v1 tho, because I need to get a better matte for the frame, not just the cheap cardboard that came with it that i tore while cutting it. I might spring for a bigger display next time too!
But overall I'm pretty happy with it!
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Working on a little display that will sit in a picture frame and show my next upcoming flight!
Powered by a raspberry pi which parses the flights from the microformats on my website, and shows either the next upcoming trip, or if I'm currently away, shows the details of the flight home.
This e-paper display is really nice looking too!
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I made more progress on the cat feeder tonight!
I attached the motor to the back, and the shaft now goes thru and connects to the original (modified) plastic shaft from the dispenser.
The lid has an ultrasonic distance sensor pointing down at the food to be able to tell how much is left in the chute.
There's a button on top to be able to manually dispense a dose.
Lastly, I added a terminal block to connect the wires from the scale for easier mounting to the processor later.
Next up, I need to start connecting all the components to the circuitry! The load cell amplifier, stepper motor driver, and finally the esp32 controller. Then it'll be time to write some software!
#homeautomation #esp32 #arduino #catfeeder #hackyourcat #cathacks
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Adding a couple new sensors tonight. Attempting a sound level sensor (should report roughly how noisy it is inside), and a color temperature sensor, which I'm hoping can tell me how cloudy it is outside and how much sun is coming in the window.
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the home automation experiments continue tonight...
now attempting to disable the on-board bluetooth of the raspberry pi and replace it with a USB dongle to see if that improves things -
oops didn't realize putting the air conditioner and TV in the "living room" group would mean saying "Alexa, turn on the living room" turns both on!
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Home Assistant - Plot a Graph with Object's Attributes - Press Start to Stop (www.hiscorebob.lu)
