Designing a 3D Printed Jig to Flash Firmware to ESP8266 based Light Bulbs
3D printed jig + pogopins to ease flashing of firmware to +ESP8266 based AI light bulbs.
https://www.cnx-software.com/2017/09/18/designing-a-3d-printed-jig-to-flash-firmware-to-esp8266-based-light-bulbs/