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Devices/Embedded: NanoPi, Librem 5, Arduino

Submitted by Roy Schestowitz on Thursday 12th of November 2020 05:15:14 AM Filed under
GNU
Linux
Hardware

  • NanoPi R4S headless RK3399 SBC features up to 4GB RAM, dual Gigabit Ethernet, USB 3.0 ports

    We’ve seen several tiny ultra-cheap boards for headless applications over the last few years with products Orange Pi Zero Plus or NanoPi R2S which are usually based on 32-bit Cortex-A7 or low power 64-bit Cortex-A53 processors, coupled with up to 512MB to 2GB, and may have some limitations when it comes to Gigabit Ethernet and USB 3.0 speeds.

    If you’d like something similar but more powerful, FriendlyELEC is working on NanoPi R4S headless SBC powered by a Rockchip RK3399 hexa-core Cortex-A72/A53 processor with up to 4GB RAM, dual Gigabit Ethernet, and two USB 3.0 ports.

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  • Librem 5 4500mAh Battery Upgrade – Purism

    Because we increased the Librem 5 mass production chassis size by 3mm, we were able to upgrade the battery from 3600 mAh to 4500 mAh.

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  • Arduino Blog » Draw on bottles using a CNC plotter made from old printer rollers and other scraps

    To label used bottles that would otherwise go to waste, “tuenhidiy” created a CNC plotter that itself consists mostly of scraps!

    The machine’s X and Z axes are formed out of a pair of old CD/DVD players, but instead of a traditional Y axis, it actuates two printer rollers to turn a bottle forwards or backwards. This allows the marking pen to be placed in just the right axial position, while still being very similar to a fully Cartesian (XYZ) plotter controls-wise.

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Purism upgrades the Librem 5 Linux phone battery to 4,500 mAh

Submitted by Rianne Schestowitz on Thursday 12th of November 2020 05:36:21 PM.
  • Purism upgrades the Librem 5 Linux phone battery to 4,500 mAh ahead of shipping

    Mass production of Purism’s Librem 5 Linux smartphone is underway and the company expects to begin shipping phones to customers later this month or in early December.

    While Purism had already shipped a small quantity of pre-production units to early backers, the phones about to head out the door are part of the company’s “Evergreen” batch and feature the latest hardware designed for long-term support.

    One design change is a slightly larger case, which allowed Purism to improve wireless reception and increase battery life.

Headless NanoPi combines RK3399 with dual GbE ports

Submitted by Rianne Schestowitz on Thursday 12th of November 2020 10:10:21 PM.
  • Headless NanoPi combines RK3399 with dual GbE ports

    FriendlyElec has posted specs on a “NanoPi R4S” SBC equipped with a hexa-core RK3399 with up to 4GB LPDDR4, a microSD slot, dual GbE, dual USB 3.0, and -20 to 70℃ support.

    Rockchip’s RK3399 has been dropping in price over the years, with RK3399-based Linux hacker boards starting at over $100 but now selling for as low as $39 for the 1GB version of Radxa’s Rock Pi 4. Apparently, the hexa-core -A72 and -A53 SoC is now cheap enough that FriendlyElec can afford to use it on its latest headless NanoPi Rx router boards. The unpriced, RK3399 based NanoPi R4S lacks display or camera interfaces to exploit the SoC’s high-end Mali-T860 MP4 GPU and MIPI and HDMI 2.0 interfaces.

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