2 layers35 × 18 mm

Esp8266-usb programmer
bauertronix/esp01-usb-programmer
small compact usb programmer for ESP8266-01
17 parts4CC-BY-SA-4.0
Open-source boards designed in KiCad by bauertronix on GitHub, from 1 repository. A board’s address here is its repository’s there.

bauertronix/esp01-usb-programmer
small compact usb programmer for ESP8266-01