diff --git a/tasmota/core_esp8266_wiring_pwm.cpp b/tasmota/core_esp8266_wiring_pwm.cpp
index f74334e43..d81928a5d 100644
--- a/tasmota/core_esp8266_wiring_pwm.cpp
+++ b/tasmota/core_esp8266_wiring_pwm.cpp
@@ -48,10 +48,12 @@ extern void __analogWriteFreq(uint32_t freq) {
   }
 }
 
+
 extern void __analogWrite(uint8_t pin, int val) {
   if (pin > 16) {
     return;
   }
+
   uint32_t analogPeriod = microsecondsToClockCycles(1000000UL) / analogFreq;
   if (val < 0) {
     val = 0;
@@ -80,4 +82,4 @@ extern void analogWriteRange(uint32_t range) __attribute__((weak, alias("__analo
 
 };
 
-#endif  // ESP8266 
+#endif  // ESP8266
diff --git a/tasmota/tasmota_globals.h b/tasmota/tasmota_globals.h
index 791896ac3..a4df0c4f7 100644
--- a/tasmota/tasmota_globals.h
+++ b/tasmota/tasmota_globals.h
@@ -42,6 +42,8 @@ void DomoticzTempHumPressureSensor(float temp, float hum, float baro = -1);
 char* ToHex_P(const unsigned char * in, size_t insz, char * out, size_t outsz, char inbetween = '\0');
 extern "C" void custom_crash_callback(struct rst_info * rst_info, uint32_t stack, uint32_t stack_end);
 extern "C" void resetPins();
+extern "C" int startWaveformClockCycles(uint8_t pin, uint32_t highCcys, uint32_t lowCcys,
+  uint32_t runTimeCcys, int8_t alignPhase, uint32_t phaseOffsetCcys, bool autoPwm);
 
 #ifdef ESP32
 
diff --git a/tasmota/xsns_01_counter.ino b/tasmota/xsns_01_counter.ino
index 3dfbdfaaf..c3584f111 100644
--- a/tasmota/xsns_01_counter.ino
+++ b/tasmota/xsns_01_counter.ino
@@ -44,6 +44,9 @@ struct COUNTER {
   bool any_counter = false;
 } Counter;
 
+uint32_t last_cycle;
+uint32_t cycle_time;
+
 #ifndef ARDUINO_ESP8266_RELEASE_2_3_0  // Fix core 2.5.x ISR not in IRAM Exception
 void CounterUpdate(uint8_t index) ICACHE_RAM_ATTR;
 void CounterUpdate1(void) ICACHE_RAM_ATTR;
@@ -75,7 +78,40 @@ void CounterUpdate(uint8_t index)
     Counter.timer_low_high[index] = time;
     Counter.pin_state ^= (1<<index);
     // do not count on rising edge
-    if bitRead(Counter.pin_state, index) return;
+    if bitRead(Counter.pin_state, index) {
+      // PWMfrequency 100
+      // restart PWM each second (german 50Hz has to up to 0.01% deviation)
+      // set COUNTERDEBOUNCELOW 1 to catch the raising edge
+      // Zero-HIGH is typical 2ms
+      if (RtcSettings.pulse_counter[index]%100 == 0 && PinUsed(GPIO_PWM1, index)) {
+        const uint32_t current_cycle = ESP.getCycleCount();
+        // stop pwm on PIN to start in Sync with rising edge
+        // calculate timeoffset to fire PWM
+        uint16_t dimm_time= 10000 * (100 - light_state.getDimmer(index)) / Settings.pwm_frequency;
+        digitalWrite(Pin(GPIO_PWM1, index), LOW);
+        // 1000µs to ensure not to fire on the next sinus wave
+        if (dimm_time < (1000000 / Settings.pwm_frequency)-1000) {
+          delayMicroseconds(dimm_time);
+          // fire small PWM signal to start TRIAC/SSR. Kill on next
+          // zero phase automatic.
+          // calculate actual cycle time and adapt frequency im milli Hz steps
+          // add 100.000 cpu ticks to ensure right step calculation
+          uint32_t steps = (current_cycle-last_cycle+100000)/(clockCyclesPerMicrosecond() * 10000);
+          cycle_time = (current_cycle-last_cycle)/steps;
+          #ifdef ESP8266
+            pinMode(Pin(GPIO_PWM1, index), OUTPUT);
+            uint32_t high = (cycle_time * 5) / 1023;
+            uint32_t low = cycle_time - high;
+            // Find the first GPIO being generated by checking GCC's find-first-set (returns 1 + the bit of the first 1 in an int32_t
+            startWaveformClockCycles(Pin(GPIO_PWM1, index), high, low, 0, -1, 0, true);
+          #else
+            analogWrite(Pin(GPIO_PWM1, index), 5);
+          #endif
+        }
+        last_cycle = current_cycle;
+      }
+      return;
+    }
   }
 
   debounce_time = time - Counter.timer[index];