diff --git a/include/sds011read.h b/include/sds011read.h
index f49c34f0..db651ebf 100644
--- a/include/sds011read.h
+++ b/include/sds011read.h
@@ -1,11 +1,13 @@
 #ifndef _SDS011READ_H
 #define _SDS011READ_H
 
-#include <SDS011.h>
+#include <SdsDustSensor.h>
 #include "globals.h"
 
 #define SDCARD_FILE_HEADER_SDS011     ", PM10,PM25"
 
+extern bool isSDS011Active;
+
 bool sds011_init();
 void sds011_loop();
 void sds011_sleep(void);
diff --git a/platformio_orig.ini b/platformio_orig.ini
index 0fea3a83..632ef7e8 100644
--- a/platformio_orig.ini
+++ b/platformio_orig.ini
@@ -77,7 +77,7 @@ lib_deps_sensors =
     adafruit/Adafruit BME280 Library @ ^2.2.1
     adafruit/Adafruit BMP085 Library @ ^1.2.0
     boschsensortec/BSEC Software Library @ 1.6.1480
-    https://github.com/ricki-z/SDS011.git
+    https://github.com/cyberman54/sds-dust-sensors-arduino-library.git
 lib_deps_basic =
     https://github.com/dbSuS/libpax.git @ ^1.0.0
     https://github.com/SukkoPera/Arduino-Rokkit-Hash.git
diff --git a/src/cyclic.cpp b/src/cyclic.cpp
index 33a0022d..67d21262 100644
--- a/src/cyclic.cpp
+++ b/src/cyclic.cpp
@@ -9,10 +9,6 @@ static const char TAG[] = __FILE__;
 
 Ticker cyclicTimer;
 
-#if (HAS_SDS011)
-extern boolean isSDS011Active;
-#endif
-
 void setCyclicIRQ() { xTaskNotify(irqHandlerTask, CYCLIC_IRQ, eSetBits); }
 
 // do all housekeeping
diff --git a/src/sds011read.cpp b/src/sds011read.cpp
index a693f651..76719d42 100644
--- a/src/sds011read.cpp
+++ b/src/sds011read.cpp
@@ -10,35 +10,41 @@ static const char TAG[] = __FILE__;
 #if (HAS_IF482)
 #error cannot use IF482 together with SDS011 (both use UART#2)
 #endif
-// UART(2) is unused in this project
-static HardwareSerial sdsSerial(2); // so we use it here
-static SDS011 sdsSensor;            // fine dust sensor
+
+// sds011 connected to UART(2)
+static SdsDustSensor sdsSensor(Serial2);
 
 // the results of the sensor:
 static float pm10, pm25;
-boolean isSDS011Active;
+bool isSDS011Active = false;
 
 // init
 bool sds011_init() {
   pm25 = pm10 = 0.0;
-  sdsSensor.begin(&sdsSerial, SDS_RX, SDS_TX);
+  sdsSensor.begin();
+
+  String version = sdsSensor.queryFirmwareVersion().toString();
+  ESP_LOGI(TAG, "SDS011 firmware version %s", version);
+  sdsSensor.setQueryReportingMode();
   sds011_sleep(); // we do sleep/wakup by ourselves
+
   return true;
 }
 
 // reading data:
 void sds011_loop() {
   if (isSDS011Active) {
-    int sdsErrorCode = sdsSensor.read(&pm25, &pm10);
-    if (sdsErrorCode) {
+    PmResult pm = sdsSensor.queryPm();
+    if (!pm.isOk()) {
       pm25 = pm10 = 0.0;
-      ESP_LOGI(TAG, "SDS011 error: %d", sdsErrorCode);
+      ESP_LOGE(TAG, "SDS011 query error");
     } else {
+      pm25 = pm.pm25;
+      pm10 = pm.pm10;
       ESP_LOGI(TAG, "fine-dust-values: %5.1f,%4.1f", pm10, pm25);
     }
     sds011_sleep();
   }
-  return;
 }
 
 // retrieving stored data:
@@ -49,17 +55,15 @@ void sds011_store(sdsStatus_t *sds_store) {
 
 // putting the SDS-sensor to sleep
 void sds011_sleep(void) {
-  sdsSensor.sleep();
-  isSDS011Active = false;
+  WorkingStateResult state = sdsSensor.sleep();
+  isSDS011Active = state.isWorking();
 }
 
 // start the SDS-sensor
 // needs 30 seconds for warming up
 void sds011_wakeup() {
-  if (!isSDS011Active) {
-    sdsSensor.wakeup();
-    isSDS011Active = true;
-  }
+  WorkingStateResult state = sdsSensor.wakeup();
+  isSDS011Active = state.isWorking();
 }
 
 #endif // HAS_SDS011