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regarding serial data transmitter

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sgnark

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i need a serial data transmitter which is to be interfaced with PIC 16f877A and also i have to receive the data and i want to display the same....
pls suggest a transmitter and receiver module for that.....
 

What serial protocol?

Guessing that by 'serial' you mean RS232, then:

1. You are aware that the PIC16F877A has a built-in UART? This can provide RS232 signalling but only at logic levels, not true RS232 levels. That's fine if you are communicating with something else that uses logic levels.

2. If you want to talk with a real RS232 port then use something like a MAX220 to MAX249 (I like the MAX233A - it needs only a decoupling capacitor) for 5V logic or MAX3222 to MAX3246 for 3V logic. they all convert your logic-level serial output to/from real RS232 levels.
 

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