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

More buttons on fewer pins by binary hardware coding. Wonder why nobody uses this for #arduino# @arduino #Attiny85# #esp8266# @ESP8266 @ESP8266COM #esp32# @ESP32net @esp32com @EspressifSystem #tutorial# #tutorials# and #schematics# at: https://t.co/gNZKs1iBGO example 7 buttons 3 pins. https://t.co/wz9CGadWZz