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@ Nipuna, There is no difference between the one which you've post and the one which you've in your tutorials.
If you observe both of them carefully then in 8 pins Rx module you'll find 2 pins of Vcc, 2 pins of Gnds, 2 pins of Data, 1 for antenna & 1 for NC (no connection); & in the Rx module with 4 pins you'll find 1 Pin for Vcc, 1 pin for Data, 1 for Gnd & 1 for Antenna.
NO DIFFERENCE IS THERE.
I've used both, so you can handle your Rx modules with the tutorials you've without any hesitation.
As bigdogguru said you've select ASK module but whatever you select ASK/FSK module you can follow the same concept without being confused, just start it first; you'll get cleared once you get the blinking LEDs on Rx side.
All the Best.
i read it well friend
but why 2 gnd 2 vcc
thank you friends
i asked that question for get knowledge about every stuff
friends what are 1 to 8 pins in HT-12-e