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Sonoff S31 Disassemble and Flash Instructions

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I recently bought some Sonoff S31 "smart outlet" switches, as I like the form factor better than the Sonoff Basic and the larger Sonoff S20.  I was able to disassemble and flash them with the fantastic Sonoff-Tasmota firmware from Theo Arends . Disassembly instructions: 1. The darker colored square panel with the button on it snaps off.  Pry it carefully off from one side to remove it: 2. There's two "slide-out" corner pieces on the male plug side. Slide these towards the button side: 3. Remove the three screws that are now exposed: 4. The case containing the female outlet side should separate easily now.  No prying necessary: 5. The circuit board is actually two boards soldered together in an "L" shape.  The small edge with the button on it contains the serial header for the ESP8266.  From the top down, the connections are VCC, RX, TX, N/C, N/C, GND   (Notice the two unused pads labeled TX & RX.  They don'...
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Reinstalling grub on my Debian 12 LVM LuksCrypt dual-boot laptop

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So, Microsoft's latest Windows 11 update decided to blow away my dual-boot config because Microsoft apparently hasn't been involved in an antitrust lawsuit recently enough.  (Seriously, I liken this to buying a Ford vehicle and then discovering that it actively disables any non-Ford vehicles also parked in your driveway.  Not cool, Microsoft.) Anyhow, since I run Debian 12 with LVM and an encrypted root filesystem, recovering the grub bootloader was a very manual process.  I'm adding the steps I used here for my own future reference.  Yours will probably be different.  This assumes you know your way around Linux, hardware device mappings, &etc.  Please don't ask me for help recovering your own system unless you're also offering me $200/hr for my time. 1. Boot Debian 12 install media, Advanced Options, "Rescue Mode" 2. Follow the prompts but then "continue with no root filesystem", drop to an installer shell 3. The encrypted LVM logical volume...
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