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Motivation

Why using the BPI-R4 in CRNA / SimulaMet?

• Banana Pi is an OpenSource hardware project. Schematics, layouts, specifications, etc. are openly available. Research results do not depend on proprietary setups or platforms with restricted availability.
• Modular design: 2x Mini-PCI Express (mPCIe), 2x M2, 2x GBIC for different configurations (optical fiber, 5G/cellular, WLAN, NVM SSD), Raspberry-PI inspired I/O connectivity.
• Sufficient CPU and RAM. Suitable for deploying experiments in the field.

Various Resources

• OpenWRT documentation: https://openwrt.org/inbox/toh/sinovoip/bananapi_bpi-r4?s[]=bpi&s[]=r4
• Community Documentation (Wiki): https://wiki.banana-pi.org/Banana_Pi_BPI-R4
• Vendor documentation: https://docs.banana-pi.org/en/BPI-R4/BananaPi_BPI-R4
• Hardware watchdog discussion (regarding BPI-R3 - sic): https://forum.banana-pi.org/t/bpi-r3-hardware-watchdog/15982
• Personal homepage, nice articles on BananaPi (different articles in English and German. Change language if needed.) https://www.fw-web.de/dokuwiki/doku.php?id=start
• Daniel on SIM-card detection problem: https://forum.banana-pi.org/t/banana-pi-bpi-r4-4g-5g-module-sim-card-missing-in-modem-manager/17944
• Daniel is doing awesome stuff fixing PCIe on R4 for modems. Must read: https://forum.banana-pi.org/t/bpi-r4-how-to-activate-key-b-pcie2-11280000-solved/17295

Table of Contents

• Prototype Betterway 01 - first PoC-prototype
• UBUS notes - notes in UBUS data retrieval