The I2c Connector Module Board use PCF8574 I2C chip that helps to converts I2C serial data to parallel data for the LCD display. It is compatible with 16x2 or 20x4 Character Display Module that supports 4 bit mode. It can have 8 modules on a singles i2c bus as well as the backlight can be controlled by the jumper and display contrast is adjustable by the potentiometer on the board.

The LCD Key shield used 16 by 2 LCD display.  It is developed for arduino compatible boards. There are 5 keys and 1 reset button. The keys are used for up, down right, left and select. The backlight is adjusted with integrated the potentiometer. It use 4 bit Arduino lcd library. It can be used as display unit.

This mini device supports HDMI 1.3b. It is full HD 108P. This mini device supports 12-bit deep color. It has a high performance of up to 2.5Gbps. This device includes an IR extender receiver and IR remote control too. This device is multifunctional. It helps on switching intelligent or mechanical. Device support uncompressed audio such as LPCM.It supports compressed audio such as DTS Digital, Dolby Digital. It is compatible well with HD-DVD, Sky-HD, STV, for PS3, Xbox 360, and, many more.