Multi Display System using CC2500

Electronics And Telecommunication Engineering

In the past, various techniques were used serial communication. Most commonly used techniques included wired networks for multiple transmissions and reception. The main disadvantage of these methods is that they were complicated and not portable. Hence, to get better accuracy, reliability, we used wireless RF module which could ease the process of multiple transmission. The developed system consists of two RF modules (minimum), a TTL converter, two Arduino Uno boards (minimum), two LCD displays (minimum) and a personal computer or laptop. The three RF modules used in this project are all CC2500. Initially, the CCs were configures using Flash Magic software in such a way that one of them acted as transmitter and the other two act as receivers. But for the purpose of cost cutting, the transmitting CC was replaced with a TTL converter which served the same purpose as of a transmitting CC. The PC is then used to give commands or transmit message signals. Before that, we interface this set up with the two Arduino boards at the receiving end along with two LCD displays. The transmitted data is received by the two CCs and then it goes to the Arduino, which serves as an intermediate between the PC and the CC. And finally, the sent signal is received at the VDU (visual display unit) and is flashed on the screens of the LCD.

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