When a mobile phone crashes in terms of software and even some hardware There are parts that can be used for experiments or for projects, in particular the LCD's, saving yourself some money.
The aim is to use an LCD from a Nokia 3510 connected to a microcontroller for information visualization, as done in previous experience, in a Nokia LCD 1100.
It is assumed that this controller is prepared both for the LCD 3510 ( screen with shades of gray), as well as the 3510i (the colors), According to this site.
Look for the welds made in contacts. It is a meticulous and work something that quite calm, as well as a low-power iron (14W) so as not to damage the contacts and the plastic membrane.
The more painstaking task is the flat cable to the lcd base, requiring a magnifying glass, Tin thin and avoid bad contacts in welds.
Having said that, passes-if the programming that involves adapting the source code of a pic16F628 this source, for a 18F2520, for another compiler opensource, the SDCC. When writing and making connections, the LCD does not start or displays nothing, having regard to any possible breakdowns and the despistado LCD displays a 9mA consumption. Fact is that in another page, It is mentioned that the display driver is a PCF8814, which search relates to the Nokia 1100, mentioned in a previous article.
Then is applied the firmware of nokia 1100 and immediately Gets the visual feedback of the text :