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