Small example changes

Author: nseidle

examples/Example3_Gain_SampleRate/Example3_Gain_SampleRate.ino

@@ -19,6 +19,11 @@
   SparkFun labored with love to create this code. Feel like supporting open
   source? Buy a board from SparkFun!
   https://www.sparkfun.com/products/15242
+
+  Hardware Connections:
+  Plug a Qwiic cable into the Qwiic Scale and a RedBoard Qwiic
+  If you don't have a platform with a Qwiic connection use the SparkFun Qwiic Breadboard Jumper (https://www.sparkfun.com/products/14425)
+  Open the serial monitor at 9600 baud to see the output
 */
 
 #include <Wire.h>
@@ -45,7 +50,7 @@ void setup()
 
   myScale.setSampleRate(NAU7802_SPS_40); //Sample rate can be set to 10, 20, 40, 80, or 320Hz
 
-  myScale.calibrate(); //Does an internal calibration. Recommended after power up, gain changes, sample rate changes, or channel changes.
+  myScale.calibrateAFE(); //Does an internal calibration. Recommended after power up, gain changes, sample rate changes, or channel changes.
 }
 
 void loop()

examples/Example4_LowPower/Example4_LowPower.ino

@@ -11,6 +11,11 @@
   SparkFun labored with love to create this code. Feel like supporting open
   source? Buy a board from SparkFun!
   https://www.sparkfun.com/products/15242
+
+  Hardware Connections:
+  Plug a Qwiic cable into the Qwiic Scale and a RedBoard Qwiic
+  If you don't have a platform with a Qwiic connection use the SparkFun Qwiic Breadboard Jumper (https://www.sparkfun.com/products/14425)
+  Open the serial monitor at 9600 baud to see the output
 */
 
 #include <Wire.h>

examples/Example5_Interrupt/Example5_Interrupt.ino

@@ -5,8 +5,8 @@
   License: This code is public domain but you buy me a beer if you use this
   and we meet someday (Beerware license).
 
-  The interrupt pin indicates when a sample has been taken. The pin can be
-  configured active high or active low.
+  The interrupt pin indicates when a sample has been taken. This example shows 
+  how the INT pin can be configured active high or active low.
 
   SparkFun labored with love to create this code. Feel like supporting open
   source? Buy a board from SparkFun!

examples/Example6_AdvancedI2C/Example6_AdvancedI2C.ino

@@ -29,8 +29,8 @@ void setup()
   Serial.begin(9600);
   Serial.println("Qwiic Scale Example");
 
-  Wire1.begin(); //Doesn't compile on an Uno. This example is for other platforms that have multiple I2C ports.
-  Wire1.setClock(400000); 
+  Wire1.begin(); //This line won't compile on an Uno. This example is for other platforms that have multiple I2C ports.
+  Wire1.setClock(400000); //We can increase I2C clock speed to 400kHz, the NAU7802 supports it
 
   if (myScale.begin(Wire1) == false) //Pass the Wire port to the library
   {