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Hello sir, Here i am attaching the documents related with my work.
As i mentioned, it comprises of a transmitter and receiver. Zigbee is used as transceivers here.
the circuit works fine for wired connection between the two controllers( TX to RX, RX to TX). But it works only even if the power supply is same for both(why). Since the RB1 in tx section is high, by logic the data is loaded to uart and recived at rx section and corrosponding RB1 LED blinks. Do i need to edit the code or circuit. How could i make the communication possible on the below mentioned circuit.