diff --git a/README.md b/README.md
index 21b7a5a..2a80ba2 100644
--- a/README.md
+++ b/README.md
@@ -138,6 +138,293 @@ You'll need Arduino desftop app 1.8.9 or later.
             <td></td>
             <td></td>
         </tr>
+         <tr>
+           <td>-MQ-3 Sparkfun</td>
+            <td></td>
+            <td></td>
+            <td>-3.1851</td>
+            <td>4.7048</td>
+            <td>-17.531</td>
+            <td>28.785</td>
+            <td>-4.339</td>
+            <td>6.4432</td>
+            <td>-1.435</td>
+            <td>0.4103</td>
+            <td></td>
+            <td></td>
+            <td>-2.7009</td>
+            <td>0.632</td>
+            <td>-2.7268</td>
+            <td>3.6299</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+        </tr>
+        <tr>
+           <td>-MQ-4 Sparkfun</td>
+            <td></td>
+            <td></td>
+            <td>-2.5818</td>
+            <td>3.6303</td>
+            <td>0.9873</td>
+            <td>2.6386</td>
+            <td>-5.5945</td>
+            <td>5.6693</td>
+            <td>-11.89</td>
+            <td>9.0375</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td>-11.189</td>
+            <td>9.0375</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+        </tr>
+        <tr>
+           <td>-MQ-5 Sparkfun</td>
+            <td>-4.368</td>
+            <td>2.9667</td>
+            <td>-2.5723</td>
+            <td>1.8943</td>
+            <td>-2.4438</td>
+            <td>2.3044</td>
+            <td>-4.8188</td>
+            <td>5.2023</td>
+            <td>-4.419</td>
+            <td>4.8044</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+        </tr>
+        <tr>
+           <td>-MQ-6 Sparkfun</td>
+            <td>-3.6775</td>
+            <td>5.0286</td>
+            <td>-1.6567</td>
+            <td>2.8775</td>
+            <td>-1</td>
+            <td>3.301</td>
+            <td>-12.791</td>
+            <td>14.523</td>
+            <td>-5.8057</td>
+            <td>7.5292</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+        </tr>
+        <tr>
+           <td>-MQ-7 Sparkfun</td>
+            <td>-1.329</td>
+            <td>1.8864</td>
+            <td>-7.8626</td>
+            <td>9.1056</td>
+            <td>-5.4878</td>
+            <td>8.8387</td>
+            <td>-1.4065</td>
+            <td>2.0162</td>
+            <td>-6.3219</td>
+            <td>9.924</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+        </tr>
+        <tr>
+           <td>MQ-8 Sparkfun</td>
+            <td>-0.7152</td>
+            <td>2.9891</td>
+            <td>-3.419</td>
+            <td>7.3513</td>
+            <td>-7.5609</td>
+            <td>15.243</td>
+            <td>-7.0753</td>
+            <td>15.396</td>
+            <td>-1.7459</td>
+            <td>4.7575</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+        </tr>
+        <tr>
+           <td>MQ9 - Haoyuelectronics</td>
+            <td></td>
+            <td></td>
+            <td>-2.2535</td>
+            <td>2.9855</td>
+            <td>-1.6012</td>
+            <td>3.1476</td>
+            <td>-1.749</td>
+            <td>2.827</td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+            <td></td>
+        </tr>
     </tbody>
 </table>