piframe/hardware.md

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# Bill Of Materials / Hardware Assumptions
This is a surprisingly straight forward project that has minimal in the way of hardware requirements. Below you'll find a list of everything we recommend / assume.
* [Raspberry Pi 4](https://www.raspberrypi.org/products/raspberry-pi-4-model-b/) with at least 2Gb of RAM
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* An equivalent board with at least 2Gb of RAM capable of running Ubuntu 64bit Linux can be used instead but we do not support anything but the Raspberry Pi 4 at this time
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* **Please note: RAM usage is significantly affected by source image resolution /and/ panel size. 2Gb of RAM should be enough for a 2k screen and 20Mpx source images. If you're not sure get a 4Gb Raspberry Pi.**
* HDMI Monitor (Verified Working)
* Please note: **these are the panels we KNOW WORK** ; do not deviate unless you want to fiddle with a lot of boot loader configuration
* [CONFU 5.5" 2k (1440x2560)](https://www.alibaba.com/product-detail/CONFU-HDMI-to-MIPI-5-5_62010868927.html)
* [Electric Magic 8.9" 2k (2560x1600)](https://www.amazon.com/gp/product/B082YFY8PW)
* HDMI Monitor (TESTING)
* Please note: **these are the panels we are TESTING** ; do not use these unless you'd like to help us sort the settings needed for use
* [Generic 5.5" 1080p panel](https://www.alibaba.com/product-detail/Low-price-5-5-inch-Sharp_62399659373.html)
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* [Geekworm Armor Case](https://geekworm.com/products/raspberry-pi-4-model-b-armor-aluminum-alloy-case-protective-shell)
* If you would like an always on fan, select the model with the integrated fan option
* [Pimoroni Fan SHIM](https://shop.pimoroni.com/products/fan-shim)
* This has better cooling as well as on/off support
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* You probably want this instead of the Geekworm armor case with fans
* This will **NOT** require soldering to use but assumes you have room to slip the fan all the way down on the main header
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* USB to Serial adapter
* There are a lot of options, choose one you know that will work well
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* Mini HDMI to HDMI adapter
* HDMI cable
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* USB disk (thumb drive / ssd) for storing pictures
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* This is optional but will help prevent micro sd card wear if regularly changing photos or running backups
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* The Sandisk Ultra Fit USB disks are great options and work well with the Raspberry Pi boards
* 1x micro sd card
* Must be **at least** 16Gb. The base install of software consumes almost 8Gb of storage, you'll want more than 8Gb to properly buffer updates and upgrades
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* Power supply (at least 3A to avoid voltage issues)