A Cheap Soil Sensor Saved My Fragile Houseplants. Here's How ...

Grandpa attached a long wooden board to a broom to remove snow from the driveway! #snow Another sphere is planned for US. Here’s where it will be built Donald Trump won't take Air Force One to Davos ...

Watch as a determined individual tackles the challenging task of clearing a massive, storm-damaged tree branch from the grounds of an old funeral home. Equipped with proper safety gear and a chainsaw, ...

Here are the design files (hardware, PCB and firmware) for a relatively low cost solar irradaince sneesor (called a pyranometer). Information relating to the design choices for this unit is available ...

This repository contains a simple design for pedal assist sensor that does not require mounting a separate magnet disc to the pedal axle. Instead, the motion of the chainring is detected using analog ...

Abstract: Reflection removal is the challenging problem of removing unwanted reflections that occur when imaging a scene that is behind a pane of glass. In this paper, we show that most cameras have ...

Abstract: This paper presents, a DC drift compensated (due to motion ; 1Hz), high sensing precision and wide dynamic range analog front end (AFE) for the organic type PPG sensor. The proposed AFE ...