diff --git a/Adafruit_PWMServoDriver.cpp b/Adafruit_PWMServoDriver.cpp
index 71d6e5f..6aaece4 100644
--- a/Adafruit_PWMServoDriver.cpp
+++ b/Adafruit_PWMServoDriver.cpp
@@ -29,7 +29,7 @@
 
 #include "Adafruit_PWMServoDriver.h"
 
-//#define ENABLE_DEBUG_OUTPUT
+// #define ENABLE_DEBUG_OUTPUT
 
 /*!
  *  @brief  Instantiates a new PCA9685 PWM driver chip with the I2C address on a
@@ -361,6 +361,43 @@ void Adafruit_PWMServoDriver::setOscillatorFrequency(uint32_t freq) {
   _oscillator_freq = freq;
 }
 
+/*!
+ *  @brief  Sets the PWM output for multiple channels
+ *  @param  values Array of PWM values (0-4095) for each channel
+ *  @param  length Length of the array, from 1 to 16
+ *  @return 0 if successful, otherwise 1
+ */
+uint8_t Adafruit_PWMServoDriver::setMultiplePWM(uint16_t *values,
+                                                uint8_t length) {
+  if (length > 16)
+    length = 16;
+  uint8_t totalBytes = 1 + 4 * length;
+
+  uint8_t buffer[totalBytes];
+  buffer[0] = PCA9685_LED0_ON_L;
+  uint8_t *b = buffer + 1;
+
+  for (uint8_t i = 0; i < length; i++, b += 4) {
+    uint16_t val = values[i] > 4095 ? 4095 : values[i];
+    b[0] = 0;
+    if (val == 0) {
+      b[1] = 0;
+      b[2] = 0;
+      b[3] = MODE1_SLEEP;
+    } else if (val == 4095) {
+      b[1] = MODE1_SLEEP;
+      b[2] = 0;
+      b[3] = 0;
+    } else {
+      b[1] = 0;
+      b[2] = val & 0xFF;
+      b[3] = val >> 8;
+    }
+  }
+
+  return i2c_dev->write(buffer, totalBytes) ? 0 : 1;
+}
+
 /******************* Low level I2C interface */
 uint8_t Adafruit_PWMServoDriver::read8(uint8_t addr) {
   uint8_t buffer[1] = {addr};
diff --git a/Adafruit_PWMServoDriver.h b/Adafruit_PWMServoDriver.h
index be93f59..14bb10c 100644
--- a/Adafruit_PWMServoDriver.h
+++ b/Adafruit_PWMServoDriver.h
@@ -86,6 +86,7 @@ class Adafruit_PWMServoDriver {
   void setOutputMode(bool totempole);
   uint16_t getPWM(uint8_t num, bool off = false);
   uint8_t setPWM(uint8_t num, uint16_t on, uint16_t off);
+  uint8_t setMultiplePWM(uint16_t *values, uint8_t length);
   void setPin(uint8_t num, uint16_t val, bool invert = false);
   uint8_t readPrescale(void);
   void writeMicroseconds(uint8_t num, uint16_t Microseconds);
diff --git a/examples/pwmtest/pwmtest.ino b/examples/pwmtest/pwmtest.ino
index 958e554..4241aca 100644
--- a/examples/pwmtest/pwmtest.ino
+++ b/examples/pwmtest/pwmtest.ino
@@ -58,10 +58,12 @@ void setup() {
 
 void loop() {
   // Drive each PWM in a 'wave'
-  for (uint16_t i=0; i<4096; i += 8) {
-    for (uint8_t pwmnum=0; pwmnum < 16; pwmnum++) {
-      pwm.setPWM(pwmnum, 0, (i + (4096/16)*pwmnum) % 4096 );
+  uint16_t pwmValues[16];
+  for (uint16_t i = 0; i < 4096; i += 8) {
+    for (uint8_t pwmnum = 0; pwmnum < 16; pwmnum++) {
+      pwmValues[pwmnum] = (i + (4096 / 16) * pwmnum) % 4096;
     }
+    pwm.setMultiplePWM(pwmValues, 16);
 #ifdef ESP8266
     yield();  // take a breather, required for ESP8266
 #endif
diff --git a/keywords.txt b/keywords.txt
index 2831dae..9588108 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -17,6 +17,7 @@ setPWMFreq	KEYWORD2
 setOutputMode	KEYWORD2
 getPWM	KEYWORD2
 setPWM	KEYWORD2
+setMultiplePWM KEYWORD2
 setPin	KEYWORD2
 readPrescale	KEYWORD2
 writeMicroseconds	KEYWORD2