You don't need a MAX232. The Easy Bluetooth module already works at 3.3V to 5V depending on your power supply voltage. Please read the documentation which shows how to use the module with a BS2 Stamp. The details of how to send standard asynchronous data using your MCU is something you'll have to get from your MCU manufacturer's documentation. To better understand the code example given in the documentation, you can download the BASIC Stamp Syntax and Reference Manual here.
for ex : i wanna change buad rate to 9600 and itis code 0x03 for ex what should id do to change it and how to send it to the module and make sure that baud changed !!! thanks in advance frankline
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plz help me
and another qu is it's output need's max232 to deal with mcu or what ??
What microcontroller are you using?