We have a lot of smart home devices today. I have a Nest, an Amazon Echo, a Google Home, garage doors I can control with an app, and multiple other smart home technologies. But can you really call a ...

Amazon on Wednesday added the Smart Air Quality Monitor to its lineup of home gadgets. Available for preorder now for $70, the new indoor air quality sensor is expected to start shipping next month.

[Andrew Lamchenko], who has built a number of small e-ink-based sensors this year, released another design called the eON Indoor Air Quality Sensor. As his previous sensor designs, the eON boasts a ...

Accuracy in cell testing can be affected by temperature, thus the need for temp-measurement sensors. And the positioning of that sensor is a sometimes overlooked, but essential, factor. When testing ...