#include <mbed.h>
mbed::Watchdog &watchdog = mbed::Watchdog::get_instance();
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);
delay(1000);
digitalWrite(LED_BUILTIN, LOW);
watchdog.start(1000);
}
void loop() {}
The above code can be used in Arduino nano RP2040, but it cannot be used in Arduino nano 33 ble