Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...
Abstract: Visible light communication (VLC) based on image sensor (IS) as the receiver is one of the supplementary technologies of radio frequency communication. By combining with image processing ...
Abstract: Line-structured light sensors (LLSs) are widely used in measurement of multi-section bevels in thick plate weldments to ensure the structural integrity in shipbuilding and high-pressure ...
Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...