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No one like long jumbled mass of wire in between two circuits. Let’s get wireless with wireless module. This module comes with operating frequency of 434 MHz. There is one transmitter and one receiver in the module.
This 434MHz Transmitter is an ASK Hybrid transmitter module. It uses saw resonator for frequency stability. The receiver is an ASK super heterodyne receiver with PLL synthesizer and crystal oscillator.
This transmitter and receiver in conjunction with HT12E and HT12D ICs can be used to build remote control