Blog#2 - Arduino Air Quality and Humidity Measurement Device : Building The Project (Hardware &amp; Software)/challenges-projects/design-challenges/design-for-a-cause-2021/b/blog/posts/blog-2---arduino-air-quality-and-humidity-measurement-device-building-the-project-hardware-softwareBuilding The Project Building this project is divided into three sections. 1) Hardware 2) Software Now let&#39;s look into detail each of the section. HARDWARE...en-USTelligent Community 12RE: Blog#2 - Arduino Air Quality and Humidity Measurement Device : Building The Project (Hardware &amp; Software)https://community.element14.com/challenges-projects/design-challenges/design-for-a-cause-2021/b/blog/posts/blog-2---arduino-air-quality-and-humidity-measurement-device-building-the-project-hardware-softwareTue, 25 May 2021 06:40:43 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:a66cc527-1e98-4788-8e79-602ec7e86412javagoza1<p>I&#39;m very interested in the GP2Y1010AU0F sensor.</p><p>Have you tested if you really can distinguish tobacco smoke?</p><p>&nbsp;</p><p>Another two things, the arduino nano 33 iot does not have the 5 V pin connected, this may affect your design.</p><p>The ports of the arduino nano 33 iot do not tolerate 5V only 3V3</p><p>&nbsp;</p><p>Good luck!</p><img src="https://community.element14.com/aggbug?PostID=11258&AppID=279&AppType=Weblog&ContentType=0" width="1" height="1">