Colour sensor / Nik Ahmad Fakrie Ayub and Muhammad Zahidi Suradin

Ayub, Nik Ahmad Fakrie and Suradin, Muhammad Zahidi (2002) Colour sensor / Nik Ahmad Fakrie Ayub and Muhammad Zahidi Suradin. [Student Project] (Unpublished)

Abstract

Color sensor is a simple circuit, which is use to sense light color of the object. This circuit used a simple electronic device such as Integrated Circuit (IC), Light Sensor (LDR) and Light Emitted Diode (LED). The function of the devices used in the circuit will be explained detailed in this project report. This circuit needs to put any colored light in front of the gadget. The gadget will detect the light color that falls on the gadget and this circuit will determine that color.
Then one of the LED will be on. This circuit will detect eight colors; blue, green, red magenta, yellow, cyan, black and white. If the primary color that determine, only one of the LDR will triggered and the other two LDR untriggered, therefore the triggered LDR will become logic 1 to indicate which color it is. When secondary colored that determine, two of the LDR will get triggered and the gate output corresponding to these would become logic 1 and indicate which color it is.

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