Blink LED & Serial Monitor2025-09-20 路 ~1 min read馃搨 Esp32 BasicsTable of contentsCircuitCodeCircuitOnboard LED (GPIO2) or external LED + 220惟.Code 1 2 3 4 5 6 7 8 9 10 11 12 13 #include <Arduino.h> const int LED = 2; void setup() { pinMode(LED, OUTPUT); Serial.begin(115200); } void loop() { digitalWrite(LED, HIGH); delay(500); digitalWrite(LED, LOW); delay(500); } 馃敄 #gpio #serial #blink