The problem is spammers waking up old threads.
There's some question in my mind exactly what you are asking or trying to do (story problems are not my forte, sadly), but the MAX232 is a level shifting RS-232 interface chip and rated to take +/-...Amoque Yesterday, 11:36
| PICBASIC PRO™ Compiler 3.0 PBP is a BASIC programming language for Microchip's PIC microcontrollers.
Version 3 is a major evolution of this popular product, making it even more capable, stable, and reliable. All the years of development culminate here, with many new capabilities and improvements. Come see why thousands of engineers, educators and hobbyists have depended on PBP for more than a decade.
Software activation keys are delivered electronically after purchase.
15 Day Trial Before Activation Key is Required
If installed without an activation code, the software will be fully functional for 15 days.
Read about Product Activation