M.2 on a Raspberry Pi – The Tofu CM4 Carrier Board

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  • gravity-sync

    💫 The easy way to synchronize the DNS configuration of two Pi-hole 5.x instances.

    Both. Have your router (optionally all clients) point to each DNS server. You can go further by keeping the pi holes synchronized:


    Since some hostile clients (such as TVs) have hard coded DNS, it is necessary to forward all port 53 and 853 traffic to a pi hole. This is easy enough with NAT redirection rules in the router, even with two pis.

  • raspberry-pi-dramble

    Raspberry Pi Kubernetes cluster that runs HA/HP Drupal 8

    Another question: is that MB/sec or MiB/sec? Note that the 400 MiB/sec benchmark is 420 MB/sec.

    Not a _huge_ difference, but it is a difference ;)

    The other major difference is anything non-sequential, especially things like 4K reads. This is where the PCIe->USB->SATA (or PCIe->USB->NVMe) adapter overhead really slows things down.

    Try out my benchmark script and see how it fares: https://github.com/geerlingguy/raspberry-pi-dramble/blob/mas...

    (Thank the marketers for making everything confusing with MiB and MB...)

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  • RPi4

    Raspberry Pi 4 UEFI Firmware Images

    > Apparently this week NVMe SSD Boot was just added as a beta feature in the Pi firmware, though it requires a bit of a process to use it

    Anyone know if you can boot from NVMe on the Pi if you biggest bootstrap it through an UEFI shim [1]?

    [1] https://github.com/pftf/RPi4

  • fm_transmitter

    Raspberry Pi as FM transmitter (by pimylifeup)

    Sorry, I meant "Homework" as in the entire album.

    By "modulating the clock" I mean modulating the SoC base clock (nominally 100 MHz) with the audio to make an FM transmitter. Hook up a wire to the clock output GPIO pin and you have an FM antenna. Lay it next to an old FM clock radio and you now have a clock radio that plays whatever you want. Make a cron job and forget it.


NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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