Description
PiTray mini is a carrier board designed to build clusters with Raspberry Pi Compute Module 4 (CM4). It is similar in size and mounting hole placement to a Raspberry Pi Model B, making it easy to stack on top of existing clusters. CM4 offers some advantages over the Raspberry Pi 4B in industrial applications, such as the availability of variants with built-in eMMC storage for faster and more reliable disk I/O. In addition, CM4 has models without WiFi and Bluetooth chips, which can save energy and computing resources when these modules are disabled. PiTray mini is an ideal choice for cluster builders as it has a minimal layout and solid module mounting, as well as Gigabit Ethernet and power support. It is also a good starter kit for CM4, featuring an eMMC boot switch for easy flashing of the operating system image to eMMC, and a micro SD card socket for CM4 Lite (which does not have eMMC and requires a micro SD card).
Board Overview
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Most affordable option
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Energy-efficient
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Compatible with all Compute Module 4 boards
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Offers boot switching for normal and programming modes
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Can fit in most of the same cases as the Raspberry Pi IO board
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CM4 socket x1
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Set of standard Raspberry Pi HAT connectors x1
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Standard HDMI 2.0 connector x1
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Gigabit Ethernet RJ45 socket x1
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Native USB 2.0 connector x1
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SD card socket for CM4 variants without eMMC x1
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USB Type-C connector for powering and also programming eMMC variants of CM4 x1
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Boot Mode Switch for programming mode and normal mode x1
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RUN button for easy reset x1
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Red Power LED x1
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Green Activity LED x1
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Mounting holes for CM4 x2
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CM4 corner marks for CM4 position guidance x4
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Input power: +5V
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Dimensions: 85 mm x 56 mm
