Inspiration and guidance from

https://learn.openenergymonitor.org/electricity-monitoring/ct-sensors/introduction
https://learn.openenergymonitor.org/electricity-monitoring/ct-sensors/interface-with-arduino
https://learn.adafruit.com/adafruit-esp32-feather-v2

pinouts
https://github.com/adafruit/Adafruit-ESP32-Feather-V2-PCB/blob/main/Adafruit%20ESP32%20Feather%20V2%20Pinout.pdf

Parts List

Adafruit:
Adafruit ESP32 Feather V2 - 8MB flash + 2MB PSRAM (#5400, 19.95)
Adafruit FeatherWing OLED - 128x64 (#4650, 14.95)
Stacking Headers for Feather (#2890, 1.25)

Mouser:
qty 2 Seed Studio AC current sensor, YHDC SCT013-100 100A, 50mA (#10199029, 11.50)
qty 2 3.5mm phone jack panel mount, Switchcraft (#35PRM3, 2.14)
Translucent Blue Box, Hammond (#1591XXLTBU, 5.83)

Other:
m2.5 nylon screw/nut (https://www.amazon.com/gp/product/B01N9Q8YLE)
parts box: perfboard, 1/2" conduit for electrical panel