There are 4four red ledsLEDs and an arduinoArduino in the picture. Each ledLED has a forward voltage 2Vof 2 V. My friend says that just digitalWrite(9,HIGH) and the leds will make the LEDs light without resistor and they won't be burnt. Is this true?
There are 4 red leds and an arduino in the picture. Each led has forward voltage 2V. My friend says that just digitalWrite(9,HIGH) and the leds will light without resistor and won't be burnt. Is this true?
There are four red LEDs and an Arduino in the picture. Each LED has a forward voltage of 2 V. My friend says that just digitalWrite(9,HIGH) will make the LEDs light without resistor and they won't be burnt. Is this true?
There are 4 red leds and an arduino in the picture. Each led has forward voltage 2V. My friend says that just digitalWrite(9,HIGH) and the leds will light without resistor and won't be burnt. Is this true?
There are 4 red leds and an arduino in the picture. Each led has voltage 2V. My friend says that just digitalWrite(9,HIGH) and the leds will light without resistor and won't be burnt. Is this true?
There are 4 red leds and an arduino in the picture. Each led has forward voltage 2V. My friend says that just digitalWrite(9,HIGH) and the leds will light without resistor and won't be burnt. Is this true?
