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This mini Raspberry Pi server comes with built in UPS and OLED stats display

The entire mini server is powered through a single USB-C connector. (Image Source: The DIY Life)
The entire mini server is powered through a single USB-C connector. (Image Source: The DIY Life)
The mini server based on the Raspberry Pi 4 board includes a UPS module with two 2500 mAh batteries that can last up to 1.5 hours and a mini OLED screen that displays UPS, IP, CPU, RAM and storage info. It also features a 3D printed case with transparent side panels and even a CPU heatsink with side-mounted fan.

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The Raspberry Pi is such a versatile platform that can easily power any IoT device with minimal power requirements, yet still retain essential functionality features. Sometimes minimal TDPs do not really matter when there is no power at all, so a UPS could really come in handy, but what if we were able to fit a miniaturized UPS inside a Raspberry Pi-powered server?

We do not actually have to wonder what that would look like, as Michael Klements from The DIY Life already built a working prototype integrating a UPS module plus a mini OLED screen coupled to a Raspbery Pi 4 board, all neatly fit into a 3D printed case with transparent side panels. The board itself features a 32 GB micro SD card for storage and is cooled by a low-profile Ice Tower heatsink with a fan mounted on one of the side panels.

For the UPS, Klements used a GeekPi V5 Plus module in tandem with two 2500 mAh Kiminors Li-Ion rechargeable batteries. The UPS is placed under the Pi board and is connected to the GPIO pins via spring-loaded pogo contacts. A fully charged UPS can provide enough juice to run the server for around 1.5 hours.

There is also that mini OLED screen with a 128 x 64 resolution connected to the I2C interface via GPIO pins. It displays relevant UPS battery stats, plus IP address, CPU load and temp, memory load and available disk space. Both the UPS and the mini OLED screen, as well as the Pi 4 board are powered through the USB-C connector.

Additional storage can be added through the USB-A 3.0 ports easily accessible on the front of the 3D printed case, plus there are more ports on the side. Klements also mentions that the system is using special scripts for automatic shutdown protection when running solely on the UPS. Furthermore, the UPS can also power an external display, but the battery life would significantly be reduced in this case.

 

Buy the Raspberry Pi 4 Model B 8GB board on Amazon

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Bogdan Solca
Bogdan Solca - Senior Tech Writer - 1566 articles published on Notebookcheck since 2017
I first stepped into the wondrous IT&C world when I was around seven years old. I was instantly fascinated by computerized graphics, whether they were from games or 3D applications like 3D Max. I'm also an avid reader of science fiction, an astrophysics aficionado, and a crypto geek. I started writing PC-related articles for Softpedia and a few blogs back in 2006. I joined the Notebookcheck team in the summer of 2017 and am currently a senior tech writer mostly covering processor, GPU, and laptop news.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 07 > This mini Raspberry Pi server comes with built in UPS and OLED stats display
Bogdan Solca, 2021-07-14 (Update: 2021-07-20)