How do you plan to solve it?
LED should blink in 1.2 period of secs
/*Paste your code here*/
#define LED_PIN 2
void setup() {
pinMode(LED_PIN, OUTPUT);
}
void loop() {
digitalWrite(LED_PIN, HIGH);
delay(400);
digitalWrite(LED_PIN, LOW);
delay(800);
}
Add video of the output (know more)
https://wokwi.com/projects/442502862046662657?fbclid=IwY2xjawM6O45leHRuA2FlbQIxMABicmlkETFUMjRtTkd6Q05XN0dCSkFBAR5Rm1BtrKGUkN3JMTBzDzjDk-yQbP2r4fVtQ5P0AtNCxn_fgsjJILElsWf2Pw_aem_BO6-YfkjFMT-j4XnvqE00Q
Add a photo of your hardware showing the output.