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libraries/Adafruit_BusIO/examples/i2c_address_detect/i2c_address_detect.ino

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+#include <Adafruit_I2CDevice.h>
+
+Adafruit_I2CDevice i2c_dev = Adafruit_I2CDevice(0x10);
+
+void setup() {
+  while (!Serial) {
+    delay(10);
+  }
+  Serial.begin(115200);
+  Serial.println("I2C address detection test");
+
+  if (!i2c_dev.begin()) {
+    Serial.print("Did not find device at 0x");
+    Serial.println(i2c_dev.address(), HEX);
+    while (1)
+      ;
+  }
+  Serial.print("Device found on address 0x");
+  Serial.println(i2c_dev.address(), HEX);
+}
+
+void loop() {}