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“A polarimeter is an instrument often used in chemistry to determine the concentration or purity of specific substances, like sugars or organic acids. Basically a light beam is -linearly- polarized by passing through a polarizer (filter sheet, crystal, mirror) after …
“Further to previous instructable with DCC on dead rail system, I have developed the idea further with a hand held DCC Command Station with keypad and LCD display. The Command Station contains all the coding required for NMRA DCC instructions …
Texas Instruments Inc. (TI) is an American technology company that designs and manufactures semiconductors, which it sells to electronics designers and manufacturers globally. Headquartered in Dallas, Texas, United States, TI is one of the top ten semiconductor companies worldwide, based …
Today we will build a circuit to control DC motors. Electric motors of all kinds work thanks to electromagnetism. They convert electric energy into mechanical energy. DC motors are relatively simple control motors. They are motors that have two modes …