diff --git a/examples/adafruitio_09_analog_out/adafruitio_09_analog_out.ino b/examples/adafruitio_09_analog_out/adafruitio_09_analog_out.ino
index d6cfebe..d10d2a6 100644
--- a/examples/adafruitio_09_analog_out/adafruitio_09_analog_out.ino
+++ b/examples/adafruitio_09_analog_out/adafruitio_09_analog_out.ino
@@ -30,9 +30,7 @@ void setup() {
 
   // set up led pin as an analog output
   #if defined(ARDUINO_ARCH_ESP32)
-    // ESP32 pinMode()
-    ledcAttachPin(LED_PIN, 1);
-    ledcSetup(1, 1200, 8);
+    ledcAttach(LED_PIN, 12000, 8); // 12 kHz PWM, 8-bit resolution
   #else
     pinMode(LED_PIN, OUTPUT);
   #endif
@@ -87,12 +85,6 @@ void handleMessage(AdafruitIO_Data *data) {
   Serial.print("received <- ");
   Serial.println(reading);
 
-  
   // write the current 'reading' to the led
-  #if defined(ARDUINO_ARCH_ESP32)
-    ledcWrite(1, reading); // ESP32 analogWrite()
-  #else
-    analogWrite(LED_PIN, reading);
-  #endif
-
+  analogWrite(LED_PIN, reading);
 }
diff --git a/examples/adafruitio_13_rgb/adafruitio_13_rgb.ino b/examples/adafruitio_13_rgb/adafruitio_13_rgb.ino
index da8fe36..f8ace71 100644
--- a/examples/adafruitio_13_rgb/adafruitio_13_rgb.ino
+++ b/examples/adafruitio_13_rgb/adafruitio_13_rgb.ino
@@ -39,14 +39,9 @@ void setup() {
 
   
   #if defined(ARDUINO_ARCH_ESP32) // ESP32 pinMode
-    // assign rgb pins to channels
-    ledcAttachPin(RED_PIN, 1);
-    ledcAttachPin(GREEN_PIN, 2);
-    ledcAttachPin(BLUE_PIN, 3);
-    // init. channels
-    ledcSetup(1, 12000, 8);
-    ledcSetup(2, 12000, 8);
-    ledcSetup(3, 12000, 8);
+    ledcAttach(RED_PIN, 12000, 8); // 12 kHz PWM, 8-bit resolution
+    ledcAttach(GREEN_PIN, 12000, 8);
+    ledcAttach(BLUE_PIN, 12000, 8);
   #else
     pinMode(RED_PIN, OUTPUT);
     pinMode(GREEN_PIN, OUTPUT);
@@ -108,14 +103,7 @@ void handleMessage(AdafruitIO_Data *data) {
   Serial.println(data->value());
 
   // invert RGB values for common anode LEDs
-  #if defined(ARDUINO_ARCH_ESP32) // ESP32 analogWrite
-    ledcWrite(1, 255 - data->toRed());
-    ledcWrite(2, 255 - data->toGreen());
-    ledcWrite(3, 255 - data->toBlue());
-  #else
-    analogWrite(RED_PIN, 255 - data->toRed());
-    analogWrite(GREEN_PIN, 255 - data->toGreen());
-    analogWrite(BLUE_PIN, 255 - data->toBlue());
-  #endif
-  
+  analogWrite(RED_PIN, 255 - data->toRed());
+  analogWrite(GREEN_PIN, 255 - data->toGreen());
+  analogWrite(BLUE_PIN, 255 - data->toBlue());
 }
diff --git a/examples/adafruitio_16_servo/.esp32.test.skip b/examples/adafruitio_16_servo/.esp32.test.skip
new file mode 100644
index 0000000..d3f5a12
--- /dev/null
+++ b/examples/adafruitio_16_servo/.esp32.test.skip
@@ -0,0 +1 @@
+
diff --git a/examples/adafruitio_23_ifttt/.esp32.test.skip b/examples/adafruitio_23_ifttt/.esp32.test.skip
new file mode 100644
index 0000000..d3f5a12
--- /dev/null
+++ b/examples/adafruitio_23_ifttt/.esp32.test.skip
@@ -0,0 +1 @@
+
diff --git a/examples/adafruitio_27_wifimanager/.esp32.test.skip b/examples/adafruitio_27_wifimanager/.esp32.test.skip
new file mode 100644
index 0000000..d3f5a12
--- /dev/null
+++ b/examples/adafruitio_27_wifimanager/.esp32.test.skip
@@ -0,0 +1 @@
+
diff --git a/examples/adafruitio_28_wifimanager-custom-aio-parameters/.esp32.test.skip b/examples/adafruitio_28_wifimanager-custom-aio-parameters/.esp32.test.skip
new file mode 100644
index 0000000..d3f5a12
--- /dev/null
+++ b/examples/adafruitio_28_wifimanager-custom-aio-parameters/.esp32.test.skip
@@ -0,0 +1 @@
+
diff --git a/library.properties b/library.properties
index 122b25c..05c122a 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Adafruit IO Arduino
-version=4.2.7
+version=4.2.8
 author=Adafruit
 maintainer=Adafruit <adafruitio@adafruit.com>
 sentence=Arduino library to access Adafruit IO.
diff --git a/src/AdafruitIO_Data.cpp b/src/AdafruitIO_Data.cpp
index f388642..36fbd8a 100644
--- a/src/AdafruitIO_Data.cpp
+++ b/src/AdafruitIO_Data.cpp
@@ -419,12 +419,7 @@ void AdafruitIO_Data::setValue(double value, double lat, double lon, double ele,
     @return   Feed's name if feed exists.
 */
 /**************************************************************************/
-char *AdafruitIO_Data::feedName() {
-  if (!_feed)
-    return (char *)"";
-
-  return _feed;
-}
+char *AdafruitIO_Data::feedName() { return _feed; }
 
 /**************************************************************************/
 /*!
@@ -448,12 +443,7 @@ char *AdafruitIO_Data::toChar() { return _value; }
     @return   String of value.
 */
 /**************************************************************************/
-String AdafruitIO_Data::toString() {
-  if (!_value)
-    return String();
-
-  return String(_value);
-}
+String AdafruitIO_Data::toString() { return String(_value); }
 
 /**************************************************************************/
 /*!
@@ -462,13 +452,9 @@ String AdafruitIO_Data::toString() {
 */
 /**************************************************************************/
 bool AdafruitIO_Data::toBool() {
-  if (!_value)
-    return false;
-
   if (strcmp(_value, "1") == 0 || _value[0] == 't' || _value[0] == 'T')
     return true;
-  else
-    return false;
+  return false;
 }
 
 /**************************************************************************/
@@ -494,9 +480,6 @@ bool AdafruitIO_Data::isFalse() { return !toBool(); }
 */
 /**************************************************************************/
 int AdafruitIO_Data::toInt() {
-  if (!_value)
-    return 0;
-
   char *endptr;
   return (int)strtol(_value, &endptr, 10);
 }
@@ -522,9 +505,6 @@ int AdafruitIO_Data::toPinLevel() {
 */
 /**************************************************************************/
 unsigned int AdafruitIO_Data::toUnsignedInt() {
-  if (!_value)
-    return 0;
-
   char *endptr;
 #ifdef ESP8266
   // For some reason strtoul is not defined on the ESP8266 platform right now.
@@ -542,9 +522,6 @@ unsigned int AdafruitIO_Data::toUnsignedInt() {
 */
 /**************************************************************************/
 float AdafruitIO_Data::toFloat() {
-  if (!_value)
-    return 0;
-
   char *endptr;
   return (float)strtod(_value, &endptr);
 }
@@ -556,9 +533,6 @@ float AdafruitIO_Data::toFloat() {
 */
 /**************************************************************************/
 double AdafruitIO_Data::toDouble() {
-  if (!_value)
-    return 0;
-
   char *endptr;
   return strtod(_value, &endptr);
 }
@@ -570,9 +544,6 @@ double AdafruitIO_Data::toDouble() {
 */
 /**************************************************************************/
 long AdafruitIO_Data::toLong() {
-  if (!_value)
-    return 0;
-
   char *endptr;
   return strtol(_value, &endptr, 10);
 }
@@ -584,9 +555,6 @@ long AdafruitIO_Data::toLong() {
 */
 /**************************************************************************/
 unsigned long AdafruitIO_Data::toUnsignedLong() {
-  if (!_value)
-    return 0;
-
   char *endptr;
 #ifdef ESP8266
   // For some reason strtoul is not defined on the ESP8266 platform right now.
@@ -605,9 +573,6 @@ unsigned long AdafruitIO_Data::toUnsignedLong() {
 /**************************************************************************/
 int AdafruitIO_Data::toRed() {
   // Convert 0xRRGGBB to red.
-  if (!_value) {
-    return 0;
-  }
   char r[5];
   strcpy(r, "0x");
   strncpy(&r[2], toChar() + 1, 2);
@@ -623,9 +588,6 @@ int AdafruitIO_Data::toRed() {
 /**************************************************************************/
 int AdafruitIO_Data::toGreen() {
   // Convert 0xRRGGBB to green.
-  if (!_value) {
-    return 0;
-  }
   char g[5];
   strcpy(g, "0x");
   strncpy(&g[2], toChar() + 3, 2);
@@ -641,9 +603,6 @@ int AdafruitIO_Data::toGreen() {
 /**************************************************************************/
 int AdafruitIO_Data::toBlue() {
   // Convert 0xRRGGBB to blue.
-  if (!_value) {
-    return 0;
-  }
   char b[5];
   strcpy(b, "0x");
   strncpy(&b[2], toChar() + 5, 2);
@@ -659,9 +618,6 @@ int AdafruitIO_Data::toBlue() {
 */
 /**************************************************************************/
 long AdafruitIO_Data::toNeoPixel() {
-  if (!_value) {
-    return 0;
-  }
   char rgb[9];
   strcpy(rgb, "0x");
   strncpy(&rgb[2], toChar() + 1, 6);
@@ -676,11 +632,7 @@ long AdafruitIO_Data::toNeoPixel() {
 */
 /**************************************************************************/
 char *AdafruitIO_Data::toCSV() {
-  if (!_value)
-    return _csv;
-
   memset(_csv, 0, AIO_CSV_LENGTH);
-
   strcpy(_csv, "\"");
   strcat(_csv, _value);
   strcat(_csv, "\",");
@@ -689,7 +641,6 @@ char *AdafruitIO_Data::toCSV() {
   strcat(_csv, charFromDouble(_lon));
   strcat(_csv, ",");
   strcat(_csv, charFromDouble(_ele, 2));
-
   return _csv;
 }