It's still a hell of a lot more powerful than an attiny85 though which is only an 8 pin micro for the smallest stuff. I love those little things and I used them all the time until most stuff became connected and the esp8266 was more useful because of its wi-fi.
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I think you're confused. This is on a Raspberry Pi Pico, which is a microcontroller and has no cache.
It's still a hell of a lot more powerful than an attiny85 though which is only an 8 pin micro for the smallest stuff. I love those little things and I used them all the time until most stuff became connected and the esp8266 was more useful because of its wi-fi.