DC Motor Control Using Infra-Red

Yusri Ardy, Jalil (2005) DC Motor Control Using Infra-Red. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Infra-Red controller are popular technology in this era because its can control any devices such as motors, car locked security and home appliances. The purpose of this project is to make an Infra-Red controlled the DC Motor which it can switch on or off and control the motor in forward or reverse direction using the data bit in binary. This project is divided into Transmitter Circuit, Receiver Circuit and DC Motor Circuit. The advantage of this project is Transmitter Circuit can transmit an address and data bit to receiver more than 7 meter by using the suitable oscillator frequency and this controller system is designed to create the high security system for the DC motor system which it include the address (password) bit system. It can be done by using the Encoder IC and Decoder IC [1]. The Decoder IC will process the data from Encoder IC when both of the IC has a same address. When the address is acceptable then data at Decoder IC can control the DC Motor circuit. The DC motor circuit is created by H-Bridge concept which it can control in forward and reverse direction [2] with different speed. This circuit controlled by Receiver Circuit which sending data from Decoder IC and each data can switch 'ON' DC Motor Circuit in forward or reverse direction and switch 'OFF'. For a safety situation, the direction of the DC Motor is known when the LED lighted for example green LED for forward and red LED for reverse direction [3]. This circuit can usable as Sliding Door controller, gate controller, conveyor controller and resident house air flow.

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