ESP8285 WiFi-Button

Other Hardware Hardware Development
1

Hello,

I try to remake a WiFi-Button like the Picoclick (https://www.instagram.com/explore/tags/picoclick/).
Unfortunately the schematics are not Open-Source available. But I don't know how to start. i need 3 main sections in my circuit:

  • the Power Latching Circuit
  • the Lipo Charging Circuit
  • the ESP8285 Circuit (either ESP8285-IC with needed components or ESP-01F)
    Optional:
  • a programming Circuit with the CP2102N with Auto-Reset-Function
  • something like WS2812B-2020 LED's

Of course I want to make it as small as possible.
So I think it would be better to use the ESP8285-IC because it's smaller than the ESP-01F.
But I don't know what the necessary components are.
And programming it directly over the USB Type C-Port would make life much easier.

I already have a working Power Latching Circuit with my Wemos D1 Mini and a Mosfet (PJM2301PSA-S) which consumes 2 uA when turned off. Maybe there is another Mosfet that consumes 0 uA? The only problem is that I can't read the State of the Button which MakerMoeKoe's Picoclick can do.
Because only doing one task for one button is a bit boring. Something like normal button press, Double-Press and Holding the Button for 2 seconds or so would be awesome.

Thanks in advance
Bastian

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