Just in time for allergy season, you can get the GoveeLife smart air quality monitor for $41.39, down from $45.99, at Amazon.

[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 ...

Obviously, you need air to live, but how often do you spare a thought for the quality of the air you're ... The display utilizes power-efficient E-ink, giving it a consistent battery life of ...