The Brains That Make Noise Machine (NMSVE) Tick.
USB to TTL Converter
You'll need a USB to TTL Converter to connect Noise Machine (NMSVE) to your PC.
See below for reference:
Pin Diagram
Top to Bottom (in picture above):
BOOT
EN
GND
3V3
RX
TX
To enter BOOT Mode for programming pull "BOOT" to "GND" on startup.
Arduino
Use "Firebeetle-ESP32" as the board when uploading.
Originally based off neilbags code: