Hi I have a nodeMCU module and I run the code below but it doesn't work. I connect my LED to D4 pin and GND. #define LED_Pin 4 void setup() { pinMode(LED_Pin, OUTPUT); } void loop() { digitalWrite(LED_Pin, LOW); …

NodeMCU arduino IDE blink example doesn't work

amiroruji72 October 21, 2017, 7:13am 3

Ok thanks

I will check it withh 220R resistor