How to interface with kids wrist watch glass LCD?
Hi, A couple of day back, my daughter destroyed her cute litttle bunny wrist watch. Well, only the plastic band got chewed. The clock was still working. So I tore it off and got the PCB out. The PCB is hardly 20 mm in dia, has a crystal, a button battery, and a glass LCD. The glass LCD is 14mm wide and 6mm high. It can only show 4 digits with a colon (blinking second) in between. The glass LCD is connected to PCB via a flaxible rubberized black colored ribbon. The PCB has only 13 connections with the LCD. I have used LCD modules before with my PIC development board, and that was not so hard. This is so, because the LCD modules have the controllers built in and all my PIC had to do is to send data through data pins and control few ‘control’ pins, that’s it. Everything was done by the controller chips on the modules. But now I have a bare glass LCD, with no controller. I do not even know which of these 13 pins do what. And frankly, I do not know how to interface with bare glass LCD. I ha
