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Not many servers are not of a certain model raspberry pie. The latest from Michael Clements On the DIY Life website, it is 3D printed and laser cut. It looks great. It is equipped with a UPS to survive a power failure. There is also an OLED screen that can display important information.
The guts of the server is Raspberry Pi 4 versus 32GB micro SD card It is cooled by low-key ice tower fan and radiator. UPS comes from a module GeeekPi through AliExpress, And equipped with a pair of Kiminors 18650 3.7V 2600mAh Li-ion rechargeable battery. The UPS acts as a HAT on the Pi, but is actually installed below it, contacting the bottom of the GPIO pins through some spring-loaded pogo pin contacts. Klements can run this box for an hour and a half with a set of fully charged batteries​​.
This OLED display The resolution is 128 x 64 px, connect to more GPIO pins and communicate via I2C interface. Information such as UPS battery status, IP address and CPU are displayed on the OLED. The entire project is powered by Pi’s USB-C connector.
In addition to running Raspberry Pi OS from a Micro SD card, Klements did not mention any professional server software (although there are scripts that automatically shut down when there is a power problem), and it seems that there is no storage space device exceeding 32GB-probably these are based Added for your specific use case, and the two USB 3 ports on the Pi (unfortunately installed on the front in this version, so always visible) are a good place to connect an external hard drive.
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