Post by thread:Old question

Simon- There are plenty of code examples for using an LCD display (see Microchip, Parallax, etc.). There's one big "gotcha" that I ran into with Optrex displays, however. They usually have just one controller chip, as opposed to two. LCD modules with one chip locate the 9th character at address 41H. If you don't know this, you think half the display is bad. See the following URL for more information that you ever wanted: http://www.paranoia.com/~filipg/HTML/LINK/F_LCD_tech.html > Also has any had any experience with Optrex Dot Matrix >type LCD modules?? And does anyone know how I can get >hold of the databook for them?? > I tried digikey, but they are out of stock. > > Thanks in advance, > simon Bryan Mumford Santa Barbara, California

I too am interested in dot-matrix LCD module data books or sheets. Specifically, modules that use the 61830 controller. The example that I currently have has LM213XB silkscreened on the back of the circuit board. Thanx in advance for any info. Kim On Tue, 14 Jan 1997, Bryan Mumford wrote: {Quote hidden}> Simon- > > There are plenty of code examples for using an LCD display (see Microchip, > Parallax, etc.). There's one big "gotcha" that I ran into with Optrex > displays, however. They usually have just one controller chip, as opposed > to two. LCD modules with one chip locate the 9th character at address 41H. > If you don't know this, you think half the display is bad. See the > following URL for more information that you ever wanted: > > http://www.paranoia.com/~filipg/HTML/LINK/F_LCD_tech.html > > > > > Also has any had any experience with Optrex Dot Matrix > >type LCD modules?? And does anyone know how I can get > >hold of the databook for them?? > > I tried digikey, but they are out of stock. > > > > Thanks in advance, > > simon > > > Bryan Mumford > Santa Barbara, California >