On Wednesday 24 Sep 2003 6:11 pm, you wrote: > Ian Bell wrote: > > On Wednesday 24 Sep 2003 4:17 pm, you wrote: > > > How do they get away with this? > > > > > > They have an RS232 line going into a digital I/O port using just a > > > couple of resistors. > > > > > > Also, the 7404 as a line driver. How much cable and speed is that good > > > for? > > > > That's bloody criminal. Note they have two 7404s in parallel. > > > > Ian > > Still, do they actualy *say* it's a **RS232** interface ? > I could not see that... > The only RS232 reference I could find was a RS232 *connector" > on the lab-board you can buy as an option. > > If they should be critizised for anything, it shold be > that they do not *clearly* say that it's *not* a RS232 > interface... > > What am I missing ? > That elsewhwere they say it can be connected to a PC serial port (which IS RS232) Ian -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads