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    • openhardware.io

      💬 Tiny Solar Charger for 2.7v Mote Supercap
      OpenHardware.io • solar charger supercap mote ldo • • openhardware.io  

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      NeverDie

      If you wish, you may substitute S-1313 ( http://datasheet.sii-ic.com/en/voltage_regulator/S1313_E.pdf) for the MAX8887EZK27 LDO
    • openhardware.io

      💬 3.3v Boost Converter with Pass-Through
      OpenHardware.io • converter step-up dc-dc boost converter voltage 3.3v booster mote pass-through ltc3525d • • openhardware.io  

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      NeverDie

      @rozpruwacz said in 3.3v Boost Converter with Pass-Through: Hi, I just came across this project and I like the idea of pass trough very much I have a question, why did You use the LTC3525D part instead of MCP1640C which You already used in other boost converter projects ? MCP1640C is 5 times cheaper than LTC3525D and they are quite similar. I just now revised the board to expose the Enable pin, so now you can do a pass-through if you wish. I also made it more compact and gave it a ground-plane on the back. https://www.openhardware.io/view/279 Enjoy!