Keyestudio ESP32 - Page 120

ESP32 Starter Kit
Code
/*
keyestudio ESP32 Inventor Learning Kit
Project 19.2 Dimming Lamp
http://www.keyestudio.com
*/
int led = 25; //Define LED to IO25
int pot = 34; //Define pot to IO34
void setup() {
// put your setup code here, to run once:
pinMode(led,OUTPUT); //Set LED pin to output
}
void loop() {
// put your main code here, to run repeatedly:
int value = analogRead(pot);
int led_val = map(value,0,4095,0,255); //Convert the range of potentiometer analog␣
˓→value to the range we need
analogWrite(led,led_val);
}
116 Chapter 8. Arduino Tutorial