Question.4
Catania made the following circuit. Which of the following options is correct? (consider VDD 3.3 V)
const int readPin = 4; void setup() { pinMode(readPin, INPUT); } void loop() { bool readState = digitalRead(readPin); }
Select Answer
GPIO 4 will not tolerate and get damaged
GPIO 4 will read LOW
GPIO 4 will read HIGH
GPIO 4 will read either HIGH or LOW value randomly