Can a Piezo Buzzer be Used to Spy on People through Walls and Doors?

Piezo Elements can be used to detect vibrations or make vibrations. Our human voices are vibrations that travel best through mediums such as walls and doors. What if the Piezo Element can be used to detect those vibrations through doors and walls? That is what we are exploring! Come along and contribute.

Weather Data Monitoring for Crops and Livestock

IoT Data Monitoring for Crops is the new wave of devices that will enable farmers better predict changes in the weather. You own a small business and one of your most important assets is a couple of acres land that you use primarily for growing crops. One of your worst enemies is the weather. It can cause delays, discomfort for livestock, and sometimes major damage to the business. Can you ever avoid this? Will there ever be a solution?