sailek:
I am trying to connect HT9032D with arduino. The Dout pin is connected to the RX pin on the arduino. The circuit setup is exactly same as in the datasheet. Still I'm not getting any reading from the RX pin. Can someone tell me where the mistake is found.
With the limited information you have given, it's impossible for anyone to give an answer.
What code are you using?
Show us a schematic of how you have this all connected.
Do you actually have this connected to a land-line telephone circuit?
Is your program detecting the "ringing" of the telephone?
Paul