Tag: Raspberry Pi

Automatically Turning Off the 3D Printer

Ender 3 V2

I have recently been playing around with 3D printers. I wasn’t sure if I would like them or use them enough, so I decided to start with a common basic 3D printer: Creality Ender 3 V2. I was surprised to see how much I ended up using it. I wanted to turn the printer off automatically when it completed a print, but there wasn’t anything standard. So, I researched and put together this solution for my specific setup.

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Entriway – Overkilling it with a Raspberry Pi

Raspberry Pi Model 3 with the PiTFT
Raspberry Pi Model 3 with the PiTFT

As a “prosumer” I have liked the Ubiquiti equipment because it’s not too expensive and at the same time provides advanced functionality that I like to tinker with. After switching to an EdgeRouter, I recently swapped one of my two access points with the UniFi nanoHD access point. The EdgeRouter works independently, but the UniFi HD provides a lot more options when controlled using the UniFi Controller. For this, I had a Raspberry Pi 3 lying around so instead of getting the UniFi Cloud Key, I decided to set up the controller on the Raspberry Pi.

I work from home most of the days and generally keep my office door closed to keep distractions to a minimum. I also tend to be on video and audio calls quite a bit. When I am talking on the calls, then it is easy for my family to know not to come in, but when I am listening, then they obviously cannot tell. There have been times when I am on video calls and have had a family member walk in, not knowing. Those can be awkward at times.

Raspberry Pi running “Entriway”
Raspberry Pi running “Entriway”

Now, what does this all have to do with the Raspberry Pi? In addition to the Raspberry Pi, I also had a 2.8″ Adafruit PiTFT lying around that I did not end up using in another project. I was planning on having the Raspberry Pi running all day for the UniFi Controller anyway, so why not give it another purpose? So, I decided to create a small digital sign that I could control remotely and put it outside my door for people to know what I was up to. Overkill? Why, yes it is, but it was also fun. Actually, the real overkill would have been this solution running on a rechargeable battery! I called this the “Entriway.”

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