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That includes other pin-change ... with an Arduino Uno (AtMega328p), EnviroDIY Mayfly (AtMega1284p), Adafruit Feather 32u4 (AtMega32u4, identical to Arduino Leonardo), an Adafruit Feather M0 ...
use 3k3 pull-down on SS for ESP8266 for boards with level converters note that 7.5" e-paper displays don't work reliable if fed from 3.3V Arduino pin note that Waveshare boards with "clever" reset ...