void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
Serial.println("Hello, ESP32!");
pinMode(4, OUTPUT);
}
void loop() {
int valpot, pwm;
valpot = analogRead(34);
pwm= map(valpot,0,4095,0,255);
analogWrite(4,pwm);
delay(10);
}