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Cake day: July 8th, 2023

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  • The tape head is basically a small and really sensitive electromagnet. Magnetized tape creates small disturbances in the magnetic signal. Amplify those disturbances and you get sound. Similar to an antenna, but only works in close proximity.

    This also works in reverse. Feed an audio signal through the electromagnet, and the electromagnet will create the disturbances in whatever is next to it. You can do this to record to a tape, or you can do this to pass sound to another tape head, which is how these aux cassettes work.

    You can build one yourself really easily. Just take the tape head from a broken player and solder to an aux cable. Take a cassette, remove the tape, and put the tape head in the middle portion so it comes into contact with the player tape head.







  • Pixel 3A. Constant bugs, camera would stop working or had a long delay starting up, system would randomly stop responding, constant crashes, lock screen would bug out preventing you from unlocking the phone. Dialer would bug out preventing you from answering the phone. Random reboots. Screen scratched really easily.

    Phone crapped out about a month before warranty expired, wouldn’t boot any more. Luckily, it was still in warranty and they returned the full price.

    The worst most unreliable phone I ever owned.



  • Make a plan. Think about how much storage you need, whether you need redundancy and backups, and what server applications you need to run.

    Here you also need to consider how much time you want to spend on maintenance. Premade solutions like Synology are set and forget. Using NAS operating systems mean having to do regular updates. Using just Linux is also an option if you want full control and are confortabile with the command line, but it’s more work.

    Then step 2 is getting the hardware.

    My recommended route, if you want to spend the least amount of money, is to get a 2nd hand PC, preferably not pre-built (dells and hps have proprietary parts like power supplies). A 4 core cpu from the last 10 years should be fine, and 16gb of RAM is more than enough for most applications. SFFs or MiniPCs might be ok for nvme SSDs only, but if you want hard drives, get one that has enough HDD bays. Depending on what you find, you might need to replace a few things, like the power supply or case.

    Servers are good and reliable and have nice features, like network management, redundant NICs, redundant power supplies, but are usually pretty noisy.