This is not an appropriate time to be doing pinMode or digitalWrite because init() has not been called yet. Who knows what init will do with pins? It might set them all to inputs, for example.

Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finally, ...

Hi! Just something I've observed when trying out a library made for Arduinos, in RP2040. The following code in Arduino boards defines the pin as input pullup but doesn't work for RP2040s core.

[Vincenzo] wanted to read some 82S129 bipolar proms, and why not, they were very common in the 1980’s arcade scene. The problem is that its kind of an odd ball part now, and typically only (even) more ...