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interface rf module A315 with 8051 circuit

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akshay985

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i want the schematic and code for the interfacing of rf module A315 do we need to interface it through max232
 

yes correct it is 8-rx and 4-tx

---------- Post added at 18:42 ---------- Previous post was at 18:41 ----------

yes it is 8-rx and 4-tx
 

thank u all for ur help but i need the interfacing diagram of rfmodule A315/433 with 8051 both transmitter and reciever
 

Bro,, if you look in that page.. The walkthrough link has a tutorial kindof.. U may look at that too...
Interfacing id given out there..
Meanwhile i will try to search it out as i have nt done with this module before.... I have worked with 3 pins only.
 

i want to know if i need to connect a max232 between a A315 rfmodule and 8051 controller bcoz directly connecting isnt giving anything
 

no bro,I dont think there is a need as the voltage level are of the same levels...

22.JPG12.JPG
the pics also say the same..

btw,
can you please tell me how are you doing this diagramatically...if you can provide the diagram.. it will be a bit easier to debug..
what i am thinking is just make your work moduled..
1.the microcontroller for sending the data connected to the transmitter with proper connections(first check that only.. i.e. check the voltages on the transmitter pins and be clear that your controller is sending the bits correctly from the Tx to input data of transmitter.. move the data to serial of this uC with "proper delay")
2. the microcontroller which is connected to the receiver should be checked for the proper supply.. then a simple code in that uC to show everything that it recieves through Rx should be displayed on lcd...
 
thnks dude, yes circuit was correct it works directly i tried to communicate it to pc serial port and got data on vterminal
 

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