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  • Unbricking an APC SMT3000 UPS after a failed firmware update

    calendar Oct 2, 2024 · 6 min read  ·
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    Background

    I recently replaced the batteries in my APC SMT3000RM2U UPS and decided it would be a good idea to update the firmware as I barely got 3 years out of the previous set. I thought maybe APC may have changed the charging algorithm or something and thought it was worth a shot...

    After discovering my device was a …


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  • Woods WiOn 50055 WiFi Plug Hardware Hacking / Tasmota Installation

    calendar Jan 22, 2024 · 7 min read  ·
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    Disclaimer

    This device has dangerous voltage present when plugged in. Additionally, if the device has been plugged in to AC power, the capacitors on board can potentially hold a lethal voltage for some time. Under no circumstances should you ever operate this device without the case or attempt to flash it while plugged …


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  • TTGO T-Internet PoE KiCad footprint and symbol

    calendar Mar 16, 2022 · 2 min read  ·
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    While working on a project where a fast microcontroller with Power over Ethernet capabilities made sense, I discovered the TTGO T-Internet (also known as T-ETH) PoE ESP32 board on Aliexpress.

    I have used the TTGO T-Display in the past so I figured I'd give it a shot. In order to implement it in my design I had to …


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  • Nintendo NES in game reset using an Arduino Nano

    calendar Feb 1, 2022 · 3 min read  ·
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    Have you ever been lazily sitting playing Nintendo and wanted to reset the console without getting up? I have, and I thought there had to be a better way... Using a cheap Arduino Nano (ATmega328) clone from Aliexpress, a few wires and a little tinkering, I created a solution.

    This device passively reads the clock, …


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Random posts about technology and other things.

Recent Posts

  • ATI VGA Wonder 16 Configuration Utilities
  • Controlling WireGuard using Tasker on Android
  • Bypassing the Bell Gigahub using a WAS-110 ONT and VyOS 1.5
  • Unbricking an APC SMT3000 UPS after a failed firmware update
  • Reverse engineering the BM6 BLE battery monitor
  • Cockpit and KVM: Cannot generate external snapshot name for disk 'vda' without source
  • Cockpit and KVM: Console 'display output is not active' Error
  • Restoring a TrueNAS Scale Configuration To A New System - Error: The web interface could not be accessed

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