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4 Channel ASK remote with HT12E & HT12D chips

2017-09-05 12:37  
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This ASK based remote control using very popular encoder-decoder chips HT12E & HT12D. These chips are widely used for remote control applications. Special ASK transmitter and receiver modules are used to transmit and receive digital code. It has carrier frequency of 433.92 MHz and operating range of around 100-150 mts.The figure given below shows schematic diagram of transmitter using IC HT12E.  HT12E