This is an old revision of the document!
const int led_red = 13; pinMode(led_red, OUTPUT); void handleRoot() { digitalWrite(led, 1); server.send(200, "text/plain", "hello from esp8266!"); digitalWrite(led, 0); } server.on("/LED1", [](){ server.send(200, "text/plain", "LED is ON"); digitalWrite(led, 1); }); server.on("/LED0", [](){ server.send(200, "text/plain", "LED is OFF"); digitalWrite(led, 0); });