2 layers64.5 × 17.8 mm

ESP PogoPin Programmer
barn53/ESP-PogoPin-Programmer
ESP Programmer with PogoPins to program ESP-1, ESP-12E/F, ... modules.
36 parts2MIT
KiCad boards from 2 GitHub repositories tagged “usb-serial-adapters”, the most starred first; open any of them in PCBKit.

barn53/ESP-PogoPin-Programmer
ESP Programmer with PogoPins to program ESP-1, ESP-12E/F, ... modules.
