void setup() { // put your setup code here, to run once: Serial.begin(115200); delay(1000); } void loop() { // put your main code here, to run repeatedly: Serial.print("MISO "); Serial.println(MISO); Serial.print("MOSI "); Serial.println(MOSI); Serial.print("SCK "); Serial.println(SCK); Serial.print("A14 "); Serial.println(A14); Serial.print("A15 "); Serial.println(A15); Serial.print("A16 "); Serial.println(A16); Serial.print("A17 "); Serial.println(A17); delay(5000); }