How much "memory kind" I have on an ESP8266 D1 Mini board with 4MB of Flash?
Is flash and SPIFFS the same thing?
How much RAM I have?
What is stack and what heap?
Can you clarify please?
What kind of memory I use when I run an arduino sketch on my ESP?
I can use SPIFFS if I store something non valatile but where the program run? in ram?
How many RAM I have?