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time attendance systems
dish washers
Lower right: phototransistor's emitter
Hall sensor
74HC147 9-input priority encoders accept data from nine active LOW inputs (l1 to l9) and provide binary representation on the four active LOW inputs (Y0 to Y3)
Potentiometer (50 KOHM) Temperature Sensor time attendance systemsIntroduction: Resistors are the most fundamental and commonly used of all the electronic components, to the point where they are almost taken for granted but they play a vital role within a circuit. The principal job of a resistor within an electrical or electronic circuit is to resist , regulate or to set the flow of electrons (current) through them by using the type of conductive material from which they are composed. Resistors can also be connected