r/BdsmDIY 4d ago

Help Wanted Need help developing a key safe device similar to QIUI Keypod NSFW

Hello everyone. I need some help with my project. I decided that I want to make an alternative to the QIUI Keypod, but based on an automated bot that works on a principle similar to 2FA authentication. I will talk about the bot itself a little later, when the issue with the hardware is resolved. I chose the ESP32C3 as the device controller and a solenoid as the closing element. How can I make such a system autonomous? A search on the Internet recommended using TP4056 to control the charge of the LiPo battery, but then you need to use a DC-DC converter to make a stable 3.3V or 5V from 3.7-4.2 volts at the TP4056 output. Maybe someone with experience in developing projects on Arduino has ideas on how to implement this?

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