Switched from logical not operator "!" to comparison to false "==" in setups.

This is slightly easier to teach when introducing young coders to our example sketches. We prefer to keep the logical not operator "!" for later lessons (if possible).

Author: Pete Lewis

examples/LSM9DS1_Basic_I2C/LSM9DS1_Basic_I2C.ino

@@ -96,7 +96,7 @@ void setup()
 
   Wire.begin();
 
-  if (!imu.begin()) // with no arguments, this uses default addresses (AG:0x6B, M:0x1E) and i2c port (Wire).
+  if (imu.begin() == false) // with no arguments, this uses default addresses (AG:0x6B, M:0x1E) and i2c port (Wire).
   {
     Serial.println("Failed to communicate with LSM9DS1.");
     Serial.println("Double-check wiring.");

examples/LSM9DS1_Basic_SPI/LSM9DS1_Basic_SPI.ino

@@ -99,7 +99,7 @@ void setup()
 
   // imu.beginSPI(), which verifies communication with the IMU
   // and turns it on.
-  if (!imu.beginSPI(LSM9DS1_AG_CS, LSM9DS1_M_CS)) // note, we need to sent this our CS pins (defined above)
+  if (imu.beginSPI(LSM9DS1_AG_CS, LSM9DS1_M_CS) == false) // note, we need to sent this our CS pins (defined above)
   {
     Serial.println("Failed to communicate with LSM9DS1.");
     Serial.println("Double-check wiring.");

examples/LSM9DS1_Interrupts/LSM9DS1_Interrupts.ino

@@ -196,7 +196,7 @@ void setup()
   // check the return status of imu.begin() to make sure
   // it's connected.
   uint16_t status = configureIMU();
-  if (!status)
+  if (status == false)
   {
     Serial.print("Failed to connect to IMU: 0x");
     Serial.println(status, HEX);