添加反射率定标

.pio/libdeps/esp32-s3-devkitc-1/DallasTemperature/examples/ExternalPullup/ExternalPullup.ino

@@ -0,0 +1,35 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+// Data wire is plugged into port 2 on the Arduino, while external pullup P-MOSFET gate into port 3
+#define ONE_WIRE_BUS    2
+#define ONE_WIRE_PULLUP 3
+
+// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass our oneWire reference to Dallas Temperature.
+DallasTemperature sensors(&oneWire, ONE_WIRE_PULLUP);
+
+void setup(void)
+{
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature IC Control Library Demo");
+
+  // Start up the library
+  sensors.begin();
+}
+
+void loop(void)
+{
+  // call sensors.requestTemperatures() to issue a global temperature
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  sensors.requestTemperatures(); // Send the command to get temperatures
+  Serial.println("DONE");
+
+  for (int i = 0; i < sensors.getDeviceCount(); i++) {
+    Serial.println("Temperature for Device " + String(i) + " is: " + String(sensors.getTempCByIndex(i)));
+  }
+}