====== Serial 2.2" LCD display ====== ===== About ===== This topic covers simple way to interface with LCD display. For this tutorial I am using cheap (under 20$) serial [[http://iteadstudio.com/store/index.php?main_page=product_info&cPath=57_58&products_id=527&zenid=j1rn45111ej75o6m45emg2f6r0|2.2" display]]. {{:cimg1727.jpg?nolink&|}} ===== Connection ===== Connection is more than simple - no soldering or electronics skills are required. See picture: {{:cimg1731_r.jpg?direct&500|}} * LCD_SCL -> GPIO7 * LCD_SDA -> GPIO13 * LCD_CS -> GPIO9 * LCD_RST -> GPIO11 * LCD_RS -> GPIO12 ===== Source ===== Full sources as a package can be found [[http://www.8devices.com/files/lcd_1_8_in.zip|here]] ===== Performance ===== I have uploaded short [[http://www.youtube.com/watch?v=H186pDXkdRM|video]] where you can see clearing screen to white, then to black and writing couple of text lines. ===== Linux ===== Just put sources to Carambola build package directory and execute make package/lcd_1_8_in/compile V=99 After this, login to your Carambola and execute scp test@192.168.0.104:/home/test/carambola_2012-03-25/bin/ramips/packages/lcd_1_8_in_1_ramips.ipk /tmp cd /tmp opkg install lcd_1_8_in_1_ramips.ipk lcd_1_8_in You will see picture.