A visible feedback for my previous project that facilitates more buttons on fewer pins for #
arduino#
@arduino #
Attiny85# #
esp8266#
@ESP8266COM @ESP8266 #
esp32#
@ESP32net @esp32com @EspressifSystem #
tutorial# #
tutorials# and #
schematics# at https://t.co/vmFzPfnZ90 https://t.co/xwrwoY8Y3O