diff --git a/README.md b/README.md
index 9d09ac6..e71212a 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,7 @@ This is yet another SDS011 library, this time completely non blocling. It does c
 ## Installation
 
 * For Arduino IDE: see [the Arduino Guide](https://www.arduino.cc/en/Guide/Libraries#toc4)
-
-~~For Platformio: see the [Platfomio guide](http://docs.platformio.org/en/latest/projectconf/section_env_library.html)~~ Not yet registered
+* For Platformio: see the [Platfomio guide](http://docs.platformio.org/en/latest/projectconf/section_env_library.html)
 
 ## Usage
 
diff --git a/library.json b/library.json
index ed6429c..1ebb12e 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "SDS011",
-  "version": "0.0.1",
+  "version": "1.0.0",
   "keywords": "SDS011, dust, sensor, Arduino, ESP8266",
   "description": "Non blocking SDS011 sensor library for ESP8266",
   "homepage": "https://github.com/bertmelis/SDS011",
diff --git a/library.properties b/library.properties
index 48fbd20..32fef4a 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=SDS011
-version=0.0.1
+version=1.0.0
 author=Bert Melis
 maintainer=Bert Melis
 sentence=Non blocking SDS011 sensor library for ESP8266
diff --git a/src/SDS011.cpp b/src/SDS011.cpp
index 7b0d554..e108c5f 100644
--- a/src/SDS011.cpp
+++ b/src/SDS011.cpp
@@ -125,10 +125,12 @@ void SDS011::loop() {
     } else {
       // 2. check message type
       if (_rxBuff[1] == 0xC5) {             // 3. response or data?
-        if (_onResponse) _onResponse();     // 4. signal response
+        if (_onResponse) _onResponse(_rxBuff[2], _rxBuff[3], _rxBuff[4]);     // 4. signal response
       } else {
-        float pm2_5 = ((_rxBuff[3] * 256.0) + _rxBuff[2]) / 10.0;
-        float pm10 = ((_rxBuff[5] * 256.0) + _rxBuff[4]) / 10.0;
+        uint16_t pm2_5_raw = (_rxBuff[3] << 8) + _rxBuff[2];
+        float pm2_5 = pm2_5_raw / 10.0;
+        uint16_t pm10_raw = (_rxBuff[5] << 8) + _rxBuff[4];
+        float pm10 = pm10_raw / 10.0;
         if (_onData) _onData(pm2_5, pm10);
       }
     }
diff --git a/src/SDS011.h b/src/SDS011.h
index 066abae..cccb981 100644
--- a/src/SDS011.h
+++ b/src/SDS011.h
@@ -30,7 +30,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <Arduino.h>
 
 typedef std::function<void(float, float)> onDataHandler;  // pm2.5, pm10
-typedef std::function<void(void)> onResponseHandler;
+typedef std::function<void(uint8_t, uint8_t, uint8_t)> onResponseHandler;
 typedef std::function<void(int)> onErrorHandler;
 
 class SDS011 {