Description

This auction is for 4inch RPi LCD (A)

Designed for Raspberry Pi, an ideal alternative solution for HDMI monitor
Supports any revision of Raspberry Pi (directly-pluggable)
Driver provided (works with custom Raspbian directly)
IPS technology, high quality and perfect displaying from very wide viewing angle
320×480 resolution
Convenient Men-Machine interface for Raspberry Pi, combined with the portable power, DIY anywhere anytime
Supports Raspbian system, enables your system to:
- Play videos (supports multi formats, MP4 and so on)
- Take photos by touching (up to 17 camera modes)
- Support software keyboard (system interaction without keyboard/mouse)

PIN NO.	SYMBOL	DESCRIPTION
1, 17	3.3V	Power positive (3.3V power input)
2, 4	5V	Power positive (5V power input)
3, 5, 7, 8, 10, 12, 13, 15, 16	NC	NC
6, 9, 14, 20, 25	GND	Ground
11	TP_IRQ	Touch Panel interrupt, low level while the Touch Panel detects touching
18	LCD_RS	Instruction/Data Register selection
19	LCD_SI / TP_SI	SPI data input of LCD/Touch Panel
21	TP_SO	SPI data output of Touch Panel
22	RST	Reset
23	LCD_SCK / TP_SCK	SPI clock of LCD/Touch Panel
24	LCD_CS	LCD chip selection, low active
26	TP_CS	Touch Panel chip selection, low active

Part Number	Resolution	LCD Interface	Touch Panel Interface	Dimension (mm)	How you feel	Feature
3.2inch RPi LCD (B)	320×240	I/O	I/O	As the Pi	★★ (unable to see the whole desktop)	Cheap
3.5inch RPi LCD (A)	320×480	I/O	I/O	As the Pi	★★★☆ (not bad)	High cost performance
4inch RPi LCD (A)	320×480	I/O	I/O	95 x 61	★★★★ (better enough)	IPS screen
5inch HDMI LCD	800×480	HDMI	I/O	121 x 78	★★★★☆ (great)	High definition
5inch HDMI LCD (B)	800×480	HDMI	USB	121 x 76	★★★★☆ (great)	High definition, supports various systems
7inch HDMI LCD (B)	800×480	HDMI	USB	165 x 107	★★★★★ (amazing)	High definition, supports various systems

Have a look :

RPi LCD Comparing