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...Basics of encoder and orthogonal coding is a kind electromechanical equipment which can be used to measure the movement machinery or target position most encoders use optical sensors provide electrical signals in form pulse sequences converted into motion direction information turn types classification type mode rotary mechanical linear contact read out non incremental principle absolute operation table different classified by work vs convert rotation amount analog such as quadrature signal digital usb bit parallel electronic generally installed on rotating object motor shaft device that converts angular code there are two shown below features outputs corresponding angle no need calculate pulses know you only output when an determine axis must starting external circuit number divided rotational figure shows basic components including light emitting diode led disk sensor back arranged sector areas opaque transparent according certain rotates block while allows pass through this way squa...