#include <stdio.h>
#include "pico/stdlib.h"
#include "hardware/adc.h"

#define ADC_TEMPERATURE_CHANNEL 4

float adc_to_temperature(uint16_t adc_value) {
    const float conversion_factor = 3.3f / (1 << 12);
    float voltage = adc_value * conversion_factor;
    float temperature = 27.0f - (voltage - 0.706f) / 0.001721f;

    return temperature * 9 / 5 + 32; // Fahrenheit
}

int main() {
    stdio_init_all();
    adc_init();
    adc_set_temp_sensor_enabled(true);
    adc_select_input(ADC_TEMPERATURE_CHANNEL);

    while (true) {
        uint16_t adc_value = adc_read();
        float temperature = adc_to_temperature(adc_value);
        printf("Temperatura: %.2f °F\n", temperature);
        sleep_ms(1000);
    }
    return 0;

}