A Rechargeable LiPo Adapter for the Redox

This page summarizes the projects mentioned and recommended in the original post on /r/ErgoMechKeyboards

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  • redox-keyboard

    Ergonomic split mechanical keyboard

  • I really like my wireless Redox, however, I find that having to replace the coin cell battery is kind of annoying and wasteful. So I designed this mod. This PCB replaces the coin cell battery of a wireless Redox keyboard, it has a USB-C connector and circuitry to charge a LiPo battery. You can charge the battery while using the keyboard. Any 3.7V LiPo single cell battery should work with it, I used a 500mAh for my build.

  • Redox-Lipo-Adapter

    PCB that replaces the coin cell battery of a Redox keyboard by a rechargeable LiPo battery

  • All the manufacturing files and 3D print files are available on Github.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo
  • Keebcard

    Home of the KeebCard project - Kicad files, code, and more!

  • I don't understand why the CR2032 is so widespread among wireless keyboards. I ran my little keychain off one, and even with careful power considerations power draw was never below 5mAh. A larger MCU like an RP2040, STM family, or an AtMega looks more like 20mAh, even more with supporting circuitry / bluetooth.

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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