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can I directly connect max232 Tx pin to transmitter and receive the data at pic end using a receiver,or I need a Pic at PC end also.
To establish communications from a PIC to a PC using the RS-232 PORT on PC.
You must correctly connect a MAX232 to the PIC, then the RS-232 TX, RX and GND Pins can be connected to an RS-232 cable or to the PC RS-232 PORT.
PIC RS232
BigDog
I just want a one way communication from pc to pic,not the other way.I want to transmit data from pc serial port to a pic wirelessly.can this be achieved without using a pic on pc end.
What kind of RF transmitter do you plan to use? You can attach RF tx to you PC port over a MAX232 cct as well. You can send commands to RF device from a PC terminal tool (like hyperterminal etc.)I want to transmit data from pc serial port to a pic wirelessly
What kind of RF transmitter do you plan to use?
What kind of RF transmitter do you plan to use? You can attach RF tx to you PC port over a MAX232 cct as well. You can send commands to RF device from a PC terminal tool (like hyperterminal etc.)
Emresel,
Brings up a good point. What type of RF TX/RX modules do you plan to use in your design?
You may only need a MAX232 between the TX module and the PC.
Most TX/RX modules have TTL I/O and do not require a MAX232 when connecting to a microcontroller.
BigDog