This post is a review of some commonly available distance measuring sensors in general and the Sharp GP2Y0A21YK0F in particular. ... The most commonly used distance measuring sensors are: Ultrasonic ...

Buy arduino, buy sound shield, buy distance sensor shield, plug into each other, burn example code, stuff components inside box. Not only is this not a hack but he might as well have just bought a ...

[Mike] lives in a temperate rainforest in Alaska (we figured from his website’s name) and uses a 570 gallon oil tank to supply his furnace. Until now, he had no way of knowing how much oil wa… ...

Ultrasonic range-finding sensors can measure the distance between workers with centimeter... Ensuring safe social distancing is one piece of the puzzle for workers in the COVID-19 age.