Github link: https://github.com/bigcrimping/ned_yesno

This device uses a ESP32 to interogate the status of hasanukegoneoff.com and turns on either the yes or no bulb depending on the answer.

The buibs are INS-1 neon style bulbs, often found NOS and still available (as of writing) from Ukraine

SAFETY NOTE

This board contains a 91V power supply, this has every opportunity to hurt or even kill you. If you are not trained in high voltage safety please don’t build this.

Software Setup

To setup the ESP32, load MicroPython from https://micropython.org/download/

Once loaded, put the main.py and secrets.py into the MicroPython environment.

You will need to update the secrets.py file with your WiFi details

Mechanical Build

PCB Build

The PCB is a simple double-sided board. The Gerbers are in the relevant folder and should be easy to produce by any PCB vendor.

BIST (Built in self test)

To confirm the bulbs are operating correctly and BIST function is included

The SW1 switch triggers this functionality, the illuminates both bulbs at once