What is the purpose of the following Arduino code?
1. void setup() {
2. Serial.begin(9600);
3. }
4. void setupf() {
5. Serial.write(40);
6. }
Options:
O Send a byte with value 40 through the Serial pins
O Send a hexadecimal number of 40 through the Serial pins
O Send a signal to pin 40 on the Arduino board
O Send an octal number of 40 through the Serial pins