/*
* This ESP32 code is created by esp32io.com
*
* This ESP32 code is released in the public domain
*
* For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-potentiometer-triggers-led
*/
#define POTENTIOMETER_PIN 35 // ESP32 pin GIOP36 (ADC0) connected to Potentiometer pin
#define LED_PIN 5 // ESP32 pin GIOP21 connected to LED's pin
#define green 18
#define ANALOG_THRESHOLD 181
void setup() {
pinMode(LED_PIN, OUTPUT); // set ESP32 pin to output mode
pinMode(green, OUTPUT);
}
void loop() {
int analogValue = analogRead(POTENTIOMETER_PIN); // read the input on analog pin
if (analogValue > ANALOG_THRESHOLD)
digitalWrite(LED_PIN, HIGH); // turn on LED
else
digitalWrite(LED_PIN, LOW);
if (analogValue < ANALOG_THRESHOLD)
digitalWrite(green, HIGH); // turn on LED
else
digitalWrite(green, LOW);
}