4 layers20.1 × 26.5 mm

Wi se opi4
depau/wi-se-hw
Cheap and tiny ESP8266 boards for Wi-Se to access your SBC or router serial port remotely
33 parts11
KiCad boards from 20 GitHub repositories tagged “serial”, the most starred first; open any of them in PCBKit.

depau/wi-se-hw
Cheap and tiny ESP8266 boards for Wi-Se to access your SBC or router serial port remotely

depau/wi-se-hw
Cheap and tiny ESP8266 boards for Wi-Se to access your SBC or router serial port remotely

tuna-f1sh/whitterm-wt220
Design files, firmware and linux scripts for my /clever/ serial terminal, the Whitterm-220 - WT-220.