Datasheet fix

Changes on the Datasheet regarding to the digital Input voltage levels.

Author: Jorgetrujilloroman

content/hardware/07.opta/opta-family/opta/datasheet/datasheet.md

@@ -313,9 +313,13 @@ Arduino Opta® is designed for industrial standard machinery control as a PLC wi
         </tr>
     </thead>
     <tbody>
+        <tr>
+            <td style="vertical-align: top;">Digital Input voltage</td>
+            <td>0...24V</td>
+        </tr>
         <tr>
             <td style="vertical-align: top;">Digital Input voltage logic level</td>
-            <td>VIL Max: 4 VDC. VHL Min: 5.9 VDC</td>
+            <td>VIL Max: 4.46 VDC. VHL Min: 6.6 VDC</td>
         </tr>
         <tr>
             <td style="vertical-align: top;">Digital Input current</td>
@@ -529,6 +533,7 @@ Sample sketches for Arduino Opta® can be found either in the “Examples” men
 ### Online Resources
 Now that you have gone through the basics of what you can do with the device, you can explore the endless possibilities it provides by checking exciting projects on ProjectHub **[6]**, the Arduino® Library Reference **[7]** and the online store **[8]** where you will be able to complement your Arduino Opta® product with additional extensions, sensors and actuators.
 
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 ## Mechanical Information
 ### Product Dimensions
@@ -668,6 +673,8 @@ Arduino Boards are fully compliant with the related requirements of European Uni
 ### Conflict Minerals Declaration
 As a global supplier of electronic and electrical components, Arduino is aware of our obligations with regards to laws and regulations regarding Conflict Minerals, specifically the Dodd-Frank Wall Street Reform and Consumer Protection Act, Section 1502. Arduino does not directly source or process conflict minerals such as Tin, Tantalum, Tungsten, or Gold. Conflict minerals are contained in our products in the form of solder, or as a component in metal alloys. As part of our reasonable due diligence Arduino has contacted component suppliers within our supply chain to verify their continued compliance with the regulations. Based on the information received thus far we declare that our products contain Conflict Minerals sourced from conflict-free areas.
 
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+
 ## FCC Caution
 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.