Completed ESP8266 WIFI button (with PCB, schematic, case)

A fully designed ESP8266 WIFI button.
With schematic, PCB layout and here the 3D printed case.
Everything can be found on GitHub -> https://github.com/hixfield/HixButton
Case assembly -> https://youtu.be/lKFYbrJro3M



*Features*

- Powered by a single LiFePo4 battery
- Onboarding charging circuit based on CN3058E powered via the FTDI connector's 5V
- Onboard power supervisor to make sure ESP does not boot (with garbage) if batery is to low- Contains an RGB led (e.g. to signal battery status when pressed)
- Solder jumper to keep module awake (during debugging)
- Puts the ESP in a deep sleep after pressing the button to conserve battery power.
- Firmware sends a json formatted datagram (UDP) to any configurable server (eg. nodered running on Raspi)
- Fast WiFi connection establish techniques (e.g. fixed ip) to make button responsive
- 3D printed finished case