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Librem 5 Dogwood and Open Hardware Updates

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Hardware
  • Librem 5 Dogwood Update 2

    “Almost all” turned out to be a key phrase. Since that post, we discovered a new antenna issue outside of the GNSS one we reported before, along with a microphone regression (in both cases something we weren’t expecting, but that were related to the new PCB design). This set us back a couple of weeks as we dove into troubleshooting these unexpected issues. Now though, we have firm ship dates. We will manufacture all Dogwood phones this week and next, begin individual order packaging and fulfillment immediately with first shipments going out the first week of July.

    [...]

    As far as Evergreen and Librem 5 USA shipping dates go, while there are parts of that process that are running in parallel to Dogwood, there are other parts (such as moulds and FCC/CE testing on the final mass-produced PCB) which must wait until after the final Dogwood phones have arrived and have been thoroughly evaluated. Before we commit to a revised shipping date for Evergreen and Librem 5 USA, we’d like a few more weeks to complete the evaluation of the final Dogwood phones.

  • LiteDIP: Creating Open-Source IP Blocks For Generic Linux Drivers On FPGAs

    Martin Peres who is known for his decade plus in the X.Org community for his longstanding work on the open-source Nouveau driver and in recent years working on Intel's open-source graphics driver team has been brewing a new hobby project around generic open-source Linux drivers for FPGAs.

    Peres this week wrote a blog post regarding his personal opinions on why there are so few open-source drivers for FPGAs / open hardware especially when it comes to upstream support.

  • Orange Pi 4 SBC Gets a $16 4G LTE mini PCIe Card based on Rockchip RM310

    Orange Pi 4 SBC is one of the most cost-effective Rockchip RK3399 SBC’s, as it sells for as low as $50 with 4GB RAM, Gigabit Ethernet, WiFi, and Bluetooth, HDMI 2.0 output, etc..

    The board also comes with a 24-pin PCIe connector that’s not of much use on its own, so the company introduced a $4 PCIe adapter board providing access to a standard mPCIe socket and a SIM card slot so you could install your own. 4G mini PCIe cards can easily cost around $50 or more, but Shenzhen Xunlong Software has now launched its own 4G LTE mini PCIe card based on Rockchip RM310 module and sold for $16 on Aliexpress, excluding shipping.

  • TTGO T-Internet-POE Board Provides Ethernet, PoE, WiFi, Bluetooth for $16

    There’s no much in terms of software apart from an Arduino Sketch initializing Ethernet and connecting to Baidu.

    I’m not sure why the 6-pin programming interface is needed, but a separate CH340C based “Downloader” board with Micro USB and USB-C ports is sold as an option with the board. ESP32 should be programmable via the USB-C port unless the specs are wrong, and there isn’t any on-board CP2104 chip… The board photos are not clear enough to confirm…

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