kenasw@btinternet.com wrote : > Is there any down side to the MAX233(A) due to the internal > capacitors, or will it be a good choice instead of MAX232(A) ? Hint, check the prices ! MAX232 from Maxim at Digikey : aprox $4 ea. MAX233 from Maxim at Digikey : from $7 ea. Also : MAX232 from Texas at Digikey : $0.90 (!). But of course, if price isn't an issue... :-) Jan-Erik. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist