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  1. lucho

    NanoPI M4

    Yes, it really is one. It's about 1,5 times wider than the 6 mm diameter outer ring of the 3.5 mm audio jack (that is, about 9 mm wide), so it's USB-C indeed (micro USB is narrower, about 7 mm wide). But as someone here already noted, if one intends to use a Raspberry Pi enclosure and has to cut the lower part of it for the SoC heat sink and the upper part for the USB-C, why not cut the latter a bit more for the barrel jack? The decision to use USB-C for the power supply instead of microUSB is IMHO a halfway one and therefore a bad one, if a 5.5 mm barrel jack can be used instead, which would
  2. lucho

    NanoPI M4

    The problem is not their experience, but the compatibility with the Raspberry Pi that they aim. This reminds me of the dreaded "IBM PC compatibility" which has tortured us for 37 years.
  3. lucho

    NanoPI M4

    Yes, indeed, it's slightly smaller. But the NanoPi M4 looks like it's not only the same size as the Raspberry Pi 3, but also has the same connectors at the same places. So if it weren't the necessity of a heat sink on the RK3399 on the bottom side, it could be placed in an enclosure made for the Raspberry. But now, to use such enclosure, one has to cut a square hole rotated at 45 degrees for the heat sink. If the connectors are the same and at the same places as on the Raspberry, then the microUSB power connector must be the one that supplies power. IMHO this SBC is too
  4. lucho

    NanoPI M4

    We're going off-topic here, but could you give some more details? Which SoC will the NanoPi-M4 use? Because there already is an RK3399-based board with the same size as Raspberry Pi 3 – the Rock960.
  5. I think that the hardware development is already complete, unlike the software development, which has only recently started and is progressing quickly (a new pre-release almost every day). As to the hardware revisions, the difference between V1.0 and V2.0 is quite large. The difference between V2.0 and the July 2018 batch is only 1 omitted resistor (R895381), which was probably not needed in the first place. So the bare PCB can be the same as for V2.0. In general, the number of hardware revisions of a product is much lower than the number of software revisions. This is natural.