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Ask HN: What do you do with your Raspberry Pi?

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Re: Ask HN: What do you do with your Raspberry Pi?

#552
post #271
post #166

Earlier quoted context omitted.

I am also interested in your CO2 sensor. What kind of CO2 sensor?

This is the sensor that I'm using: https://www.co2meter.com/collections/desktop/products/co2min...

Are you running Windows on the Pi, or did you write your own software to interface with the sensor over USB?

Re: Ask HN: What do you do with your Raspberry Pi?

#553

I have it set up to run a project where a subreddit has control over the watering of a live plant in my apartment. The pi runs a reddit bot that reads the votes, and can switch on a pump to water. It also collects data about sunlight, moisture, temp and humidity to help inform the decision about watering. Despite many people's preconceptions about the goodness of the internet, I must admit that they do a wonderful jo…

Did something similar.

Raspberry pi is automatically uploading video of each watering to YouTube (https://www.youtube.com/channel/UCtl442fLi6KAOowkw_w83rA/vid...) and informing me with summary (incl. watering duration, soil moisture level, temperature, humidity, light level etc.).

Not that I care that much about the plant but automating it has been fun. It's been on auto pilot now for a couple of months now and the plant from the looks of it seams to be happy.

Re: Ask HN: What do you do with your Raspberry Pi?

#554

I have an old Raspberry Pi 1 that runs headless raspbian with a set of cheap speakers plugged into it and an old usb wifi adaptor. It has only one purpose: to play a wav file of a telephone ringing for one minute. My spouse does not ever have the ringer on her cell phone. So when I am out and I need her to look at her phone, I VPN in to my home network, ssh into the pi using Terminus on my iphone, and 'aplay' the wav…

You could automate this even more with a Twilio number, ngrok running on the Pi and a small webserver to trigger the audio playback. Then instead of having to ssh in you can just send a text.

Re: Ask HN: What do you do with your Raspberry Pi?

#555
I have a pi3 setup as a garage door opener. It's wired to two, 4 channel relays (only use two relays), one for each garage door. A simple php page that can be accessed and a big icon 'lressed', triggers the gpio to switch the relay. This opens or closes the door. I set this up because I got tired of replacing batteries in a garage door opener. This way,I just open the web page on my phone and open the door. I also setup a few android Tasker jobs to register when my phone connects to home wifi, and is also connected to my vehicle Bluetooth. When that registers, it automatically opens the garage door.

Re: Ask HN: What do you do with your Raspberry Pi?

#556
Really simple stuff, compared to the self watering plants, etc.:

- AdGuard Home DNS (Pi Hole was just not stable for me)

- Unifi Controller

- Torrent box (come get your Linux distros!)

- Always on platform to host various scripts on; one backs up my blog to Internet Archive when it changes, for example.

- Twitter bots that report the RPi status (just went down for reboot, etc.)

- Bot that watches Caltrain for delays and Tweets them to me.

- Platform to play around with orchestration, DevOps, etc. I learned Ansible using them. Still want to move it all to Docker, but that'll have to wait.

Re: Ask HN: What do you do with your Raspberry Pi?

#557

I have an old Raspberry Pi 1 that runs headless raspbian with a set of cheap speakers plugged into it and an old usb wifi adaptor. It has only one purpose: to play a wav file of a telephone ringing for one minute. My spouse does not ever have the ringer on her cell phone. So when I am out and I need her to look at her phone, I VPN in to my home network, ssh into the pi using Terminus on my iphone, and 'aplay' the wav…

I would have presumed you can have custom notification levels for specific phones calls baked into modern phones OSs.

Re: Ask HN: What do you do with your Raspberry Pi?

#559
1. RPi Model 2B: running Kodi, and connected to my TV. Utilized for watching movies from my NFS-shared movie storage drive.

2. RPi Zero: used to prototype a device for my company. The RPi is connected to a LimeSDR Mini and an UPS. Meant to work out some of the software and form factor for a deployable electronic warfare device.

I'm starting to replace RPis with ODroids for the most part. I'm actually waiting for 2x ODroid-HC2 to arrive any day now. One will be hosting a Syncloud instance, as I want to experiment with Diaspora social network. Not exactly sure what I'll use the other for yet.

Re: Ask HN: What do you do with your Raspberry Pi?

#560
Outside of off the cuff experiments, most of my Pis are provisioned as MotionEyeOS[0] security cams. Each client can be linked into a central "server" so you can view them all at once, and lots of nice config options for storing or sending image and video either continuously or based on motion. I have the streaming set up so I can peek in from anywhere using VLC on my phone.

[0] https://github.com/ccrisan/motioneyeos/wiki

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