diff --git a/content/hardware/06.nicla/boards/nicla-sense-env/datasheet/datasheet.md b/content/hardware/06.nicla/boards/nicla-sense-env/datasheet/datasheet.md
index 024a14849b..82be7abf3b 100644
--- a/content/hardware/06.nicla/boards/nicla-sense-env/datasheet/datasheet.md
+++ b/content/hardware/06.nicla/boards/nicla-sense-env/datasheet/datasheet.md
@@ -105,7 +105,11 @@ The table below provides a comprehensive guideline for the optimal use of the Ni
 <sup>1</sup> Nicla Sense Env powered through the VCC pin (+3.3 VDC).
 
 <div style="background-color: #FFFFE0; border-left: 6px solid #FFD700; margin: 20px 0; padding: 15px;">
-To put the Nicla Sense Env in <strong>deep sleep mode</strong>, use the API provided by the <strong>Nicla Sense Env Arduino library</strong>.
+<p style="text-align: justify;"><strong>Tip:</strong>To put the Nicla Sense Env in <strong>deep sleep mode</strong>, use the API provided by the <strong>Nicla Sense Env Arduino library</strong>.</p>
+</div>
+
+<div style="background-color: #FFCCCC; border-left: 6px solid #FF0000; margin: 20px 0; padding: 15px;">
+<p style="text-align: justify;"><strong>Safety Note:</strong> The Nicla Sense Env board operates at 3.3 VDC, and while its pins are 5 VDC tolerant, we recommend using a level translator when connecting it to 5 VDC-compatible Arduino boards to ensure safe communication and prevent potential damage to the components. This connection can be made either through the Nicla Sense Env’s ESLOV connector or its dedicated I2C pins (I2C0), as illustrated in the image below.</p>
 </div>
 
 
diff --git a/content/hardware/06.nicla/boards/nicla-sense-env/tutorials/01.user-manual/assets/user-manual-24.png b/content/hardware/06.nicla/boards/nicla-sense-env/tutorials/01.user-manual/assets/user-manual-24.png
new file mode 100644
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Binary files /dev/null and b/content/hardware/06.nicla/boards/nicla-sense-env/tutorials/01.user-manual/assets/user-manual-24.png differ
diff --git a/content/hardware/06.nicla/boards/nicla-sense-env/tutorials/01.user-manual/content.md b/content/hardware/06.nicla/boards/nicla-sense-env/tutorials/01.user-manual/content.md
index 707fcc6e29..2260fc9668 100644
--- a/content/hardware/06.nicla/boards/nicla-sense-env/tutorials/01.user-manual/content.md
+++ b/content/hardware/06.nicla/boards/nicla-sense-env/tutorials/01.user-manual/content.md
@@ -129,6 +129,12 @@ As shown in the image below, the Nicla Sense Env can be connected to a Portenta
 
 For other compatible boards, such as those from the Nano family, the Nicla Sense Env can also be connected using the 2.54 mm pins of the Nicla Sense Env board.
 
+***<strong>Important note:</strong> The Nicla Sense Env board operates at 3.3 VDC, and while its pins are 5 VDC tolerant, we recommend using a level translator when connecting it to 5 VDC-compatible Arduino boards to ensure safe communication and prevent potential damage to the components. This connection can be made either through the Nicla Sense Env’s ESLOV connector or its dedicated I2C pins (`I2C0`), as illustrated in the image below.***
+
+![Connecting the Nicla Sense Env to a 5 VDC-compatible Arduino board](assets/user-manual-24.png)
+
+As shown in the image above, the use of a dedicated level translator between the Nicla Sense Env board and the 5 VDC-compatible Arduino board, in this example an Arduino UNO R4 WiFi, is recommended.
+
 ### Powering the Board
 
 The Nicla Sense Env can be powered by: