jason schaefer . com

Category: hardware

  • Meshtastic solar repeater and client node setup

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    jason
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    ** this post is under construction ** == Repeater setup == Requisites: – solar charged– battery powered– low temp Li-ion charge cutoff– low power– no gps module due to fixed location– advantageous location– reliable/durable– medium gain antenna Materials: Soldering iron. Whatever you have should work, no fancy soldering required Heatshrink tubing https://www.amazon.com/Wirefy-180-Heat-Shrink-Tubing/dp/B084GDLSCK/ RAKwireless WisBlock Meshtastic…

  • Flashing om1p with stock openwrt

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    jason
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    I have many open-mesh OM1P units laying around from failed wireless projects. Needless to say I’m not a big fan of open-mesh and have some other projects in mind for this hardware. It was a painful process but well worth it. Now I have nice little OpenWRT units for any hacking pleasure. I have made…

  • Flashing a BIOS update using only free tools (FreeDOS, etc)

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    jason
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    The wonderful world of motherboard BIOS updates, is still old fashioned. Updates are often still built for Microsoft Windows environments. Those of us who don’t have MS Windows, DOS, a floppy drive, an install of Windows 98 to create a bootable floppy, or cheesy Pâté for that matter ….. Here is a way one can…

  • Transition away from MBR to GPT booting

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    jason
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    Recently, I was installing debian on a new server and grub2 would not install gave me this error: “This GPT partition label has no BIOS Boot Partition; embedding won’t be possible! grub-setup: error: Embedding is not possible, but this is required when the root device is on a RAID array or LVM volume.” Of course,…