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 ? Jan-Erik. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads