diff --git a/README.md b/README.md
index d121d95..15b12f8 100644
--- a/README.md
+++ b/README.md
@@ -97,501 +97,7 @@ You'll need Arduino desftop app 1.8.9 or later.
             <td>m</td>
             <td>b</td>
         </tr>
-         <tr>
-           <td>-MQ-2 Pololulu</td>
-            <td>-2.2459</td>
-            <td>2.9845</td>
-            <td>-2.2879</td>
-            <td>2.7901</td>
-            <td>-2.6208</td>
-            <td>3.6075</td>
-            <td>-3.1157</td>
-            <td>4.5134</td>
-            <td>-2.7028</td>
-            <td>3.5595</td>
-            <td>-2.2879</td>
-            <td>2.7901</td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
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-            <td></td>
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-        </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>
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-            <td></td>
-            <td></td>
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-            <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>
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-            <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>
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-        </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>
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-            <td></td>
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-        </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>
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-        </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>
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-        </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>
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-        </tr>
-         <tr>
-           <td>MQ131- Sensorsportal</td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
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-            <td></td>
-            <td></td>
-            <td>-2.7245</td>
-            <td>3.3004</td>
-            <td>-1.0333</td>
-            <td>1.7117</td>
-            <td>-1.2037</td>
-            <td>1.6455</td>
-            <td></td>
-            <td></td>
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-        </tr>
-
-        <tr>
-           <td>MQ135 - HANWEI</td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td>-2.7268</td>
-            <td>2.301</td>
-            <td>-2.8608</td>
-            <td>1.8627</td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
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-            <td></td>
-            <td></td>
-            <td></td>
-            <td>-3.2819</td>
-            <td>1.9903</td>
-            <td>-5.7015</td>
-            <td>1.1612</td>
-            <td>-2.2119</td>
-            <td>2.0473</td>
-            <td>-5.9682</td>
-            <td>1.0175</td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
-            <td></td>
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-        </tr>
-        
-        <tr>
-           <td>MQ303A - HANWEI</td>
-            <td></td>
-            <td></td>
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-            <td></td>
-            <td></td>
-            <td></td>
-            <td>-2.3543</td>
-            <td>1.144</td>
-            <td>-2.4338</td>
-            <td>0.7558</td>
-            <td>-2.5597</td>
-            <td>0.4436</td>
-        </tr>
-        <tr>
-           <td>MQ309A - HANWEI</td>
-            <td>-2.1311</td>
-            <td>3.0886</td>
-            <td></td>
-            <td></td>
-            <td>-1.6554</td>
-            <td>2.985</td>
-            <td>-4.7623</td>
-            <td>6.7413</td>
-            <td>-3.7686</td>
-            <td>5.6744</td>
-            <td></td>
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-        </tr>
+         
     </tbody>
 </table>