1. 4 HP http wacho shop projp HP http wacho mainjp index html LCD CB 2. LCD 1 2 3 4 CO MM I I LCD CB 1 Liquid Crystal Display LCD SC1602 LCD VO Vss Vdd 2 1 2 SW Dee Eto2 ze 3 DBZ DB6 DB5 DB4 QDB3 Q DB2 QDB1 GDB9 QE Q RS QR N Quss vo QuDD 15mm 2 38mm 33 02mm 2 54x13 LCD CB 3 b 4