This is programmable FM remote control can be used for some specific applications. Phase Lock Loop (PLL) IC-567 is used in transmitter and receiver part as oscillator and filter respectively. It can operate/control any device / application from the distance of around 50 meter (this range can be increased up to 1-2 Km if good…
4 Channel ASK Remote with HT12E & HT12D Chips
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. Transmitter:- The figure given in…