diff --git a/wiflash_esp32/strobe_esp32.cpp b/wiflash_esp32/strobe_esp32.cpp
index 17c78b2..c785174 100644
--- a/wiflash_esp32/strobe_esp32.cpp
+++ b/wiflash_esp32/strobe_esp32.cpp
@@ -86,7 +86,9 @@ bool Strobe::begin(uint8_t pin, uint8_t pwm) {
 void Strobe::update(void * param) {
   Strobe *tThis = (Strobe *) param;
   uint32_t last_time = 0;
+  TickType_t xDelay;
   for (;;) {
+    xDelay = (1000 / 40.0) / portTICK_PERIOD_MS; // sleep 1 dmx frame
     // intensity changes start/stop the cycle
     uint16_t intensity = tThis->profile_.intensity << 8 |
                          tThis->profile_.intensity >> 8;
@@ -114,9 +116,21 @@ void Strobe::update(void * param) {
         // cycle restarts
         tThis->state_ = STROBE_ACTIVE_ON;
         last_time = now;
+        // yield task until end of duration
+        xDelay = std::min(xDelay, dur / portTICK_PERIOD_MS);
       } else if (elapsed > dur) {    // durration period completed
         // cycle enters dark phase
         tThis->state_ = STROBE_ACTIVE_OFF;
+        // yield task until end of period
+        xDelay = std::min(xDelay, (period - dur) / portTICK_PERIOD_MS);
+      } else {
+        if (tThis->state_ = STROBE_ACTIVE_ON) {
+          // yield task for remainder of duration
+          xDelay = std::min(xDelay, (dur - elapsed) / portTICK_PERIOD_MS);
+        } else {
+          // yield task for remainder of period
+          xDelay = std::min(xDelay, (period - elapsed) / portTICK_PERIOD_MS);
+        }
       }
     }
 
@@ -126,7 +140,11 @@ void Strobe::update(void * param) {
     } else {
       tThis->setLevel(0);
     }
+
+    // yield task
+    vTaskDelay(xDelay);
   }
+  vTaskDelete( NULL );
 }