รวมโค๊ตเซนเซอร์ แต่ แสดงผลแค่ 1 ตัว แต่อีกตัว ขึ้น nan แก้ไขอย่างไรครับ

#include "DHT.h"
#define DHTPIN (3) // Digital pin connected to the DHT sensor 1

#define DHTTYPE DHT22 // DHT 22
#define DHTTYPE DHT22 // DHT 22
DHT dht(DHTPIN, DHTTYPE);
DHT dht1(DHTPIN, DHTTYPE);

void setup() {
Serial.begin(9600);
Serial.println(F("DHT22 Sensor 1 and 2"));
Serial.println("วัดอุณหภูมิโซล่าเซลล ชุดที่ 1และ ชุดที่ 2 ");
Serial.println("Arduino nano 3.0");
dht.begin();
dht1.begin();
}

void loop() {
delay(3000);

float h01 = dht.readHumidity();
float t01 = dht.readTemperature();
float f01 = dht.readTemperature(true);

float h02 = dht1.readHumidity();
float t02 = dht1.readTemperature();
float f02 = dht1.readTemperature(true);



float hif01 = dht.computeHeatIndex(f01, h01);
float hic01 = dht.computeHeatIndex(t01, h01, false);

float hif02 = dht1.computeHeatIndex(f02, h02);
float hic02 = dht1.computeHeatIndex(t02, h02, false);

Serial.println(" Sensor 1");
Serial.print(F("Humidity: "));
Serial.print(h01);
Serial.print(F("% Temperature: "));
Serial.print(t01);
Serial.print(F("°C "));
Serial.print(f01);
Serial.print(F("°F Heat index: "));
Serial.print(hic01);
Serial.print(F("°C "));
Serial.print(hif01);
Serial.println(F("°F"));


Serial.println(" Sensor 2");
Serial.print(F("Humidity: "));
Serial.print(h02);
Serial.print(F("% Temperature: "));
Serial.print(t02);
Serial.print(F("°C "));
Serial.print(f02);
Serial.print(F("°F Heat index: "));
Serial.print(hic02);
Serial.print(F("°C "));
Serial.print(hif02);
Serial.println(F("°F"));





}