Dear Friends,
Can you help me? I am working with RF Rx & Tx module, connected Rx Data pin with RxD of 8052 and Connected Tx Data pin with TxD of another 8052.
I am unable to interface it means not getting data on receiver side?
Is there any need of Antenna? Is yes then can i make that antenna?
Please help me.
RF 434MHz of both Rx & Tx from HIMARK Company.
Thanks & Regards Ramesh Khokhani.
The thing is - I have not read the datasheet for your RF module. The data sheet should contain clear text - or diagarams - showing the data directions of the RX and TX pins. That is the proper way to make sure that you have connected serial out to serial in.
The test I mentioned is not how to design. Measuring the voltage swing on an output is something to do when everything is connected according to the datasheet, but you still don't get any connection. Measuring the swing of the output tells you: - that you don't have any short circuit in the PCB - that you haven't made use of an incorrect schematics symbol, resulting in misnumbering of pins - that a component hasn't been accidentally mounted wrong - possibly rotated. - ...