Raspberry UMPC：超小型高性能个人计算机

Raspberry UMPC

2023-03-26 20:25:11

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This text describes the assembly process for a custom-built Raspberry Pi device, likely a handheld gaming or computing system. Here's a breakdown of the key points: **Hardware Components:** * **Raspberry Pi:** The core processing unit of the device. * **Adafruit Kippah Circuit Board:** A specialized board that integrates various components like power management, I/O, and potentially a display interface. * **Display Screen:** Likely an LCD screen integrated with the Adafruit Kippah board. * **Keyboard:** Modified to integrate with the Raspberry Pi and Kippah board. * **Battery Pack:** Provides power to the device. * **Case:** Houses all the components and provides protection. **Assembly Steps:** 1. **Preparation:** Shorten GPIO pins on the Raspberry Pi for a slimmer profile when combined with the Adafruit Kippah board. 2. **Adafruit Kippah Integration:** Install the Kippah board, ensuring proper wiring for power and communication. Consider adding additional USB ports. 3. **Heat Management:** Install a heatsink on the graphics processing unit (GPU) to prevent overheating. 4. **Keyboard Modification:** Disconnect the original keyboard battery and wiring. Replace with a 3.7V power supply from the Adafruit Kippah board, securely mounting and sealing it within the keyboard casing. 5. **Display Installation:** Connect the display screen connector, fold the ribbon cable, and secure it to the printed frame using conductive adhesive. Ensure proper overhang for secure attachment. 6. **Battery Connection:** Mount an Adafruit power booster and switch onto the battery compartment. Follow Adafruit's instructions for wiring connections. 7. **Final Assembly:** * Install the battery pack within the case and route the power cables through designated openings. Solder the battery wires to the Raspberry Pi's 5V and GND pins. * Connect the keyboard power wires to the Adafruit Kippah board's designated ground and 3.3V pins. * Mount the Adafruit Kippah board onto the Raspberry Pi, insert the SD card, connect the display screen, and secure everything within the case. * Install LCD screen hinges (likely printed) and attach the keyboard support structure. 8. **Initial Bootup:** Power on the device to verify that all components are functioning correctly. **Additional Notes:** * The instructions emphasize safety precautions when handling lithium-ion batteries. * Users without access to a 3D printer can purchase pre-printed plastic parts for the hinges and keyboard support from Shapeways. Let me know if you have any more questions about this Raspberry Pi project!Raspberry UMPC：超小型高性能个人计算机

朋友，你觉得上面这个模型，属于下面的哪个分类？