برای اینکه بتونید جداگانه راه بندازید اگر lCD رو در اختیار دارید باید ببینید کدوم پینهای LCD رو به کدوم پینهای آردوینو وصل کرده ( با مولتی متر )
تنها جایی که دیدم در مورد شماره پینهای استفاده شده صحبت کرده این اطلاعات بود:
1 The VSS power ground 9 D2 data
2 VDD positive power supply 10 D3 data
3 VL LCD bias
4 RS data / command select 12 D5 data
5 R / W read / write select 13 D6 data
6 E enable signal
7 D0 data the 15 BLA backlight source positive
8 D1 data the 16 BLK backlight negative
1 foot: VSS ground power.
2 feet: VDD connected to the the 5V positive supply.
3 feet: VL for the LCD display contrast adjustment terminal connected to the positive power supply contrast weakest ground when contrast
Highest contrast is too high will produce " ghosting " , used by a 10K potentiometer to adjust the contrast.
4 feet: RS register select, select the data register, high and low, select the instruction register.
5 Foot: R / W for read and write signal line, a high read operation, the low write operation. When RS
and R / W can be written instructions or display the address, when RS for the low-levelR / W
Busy signal can be read, when RS high R / W is low can be written.
6 feet: E -side to enable end, When E Duanyou high jump goes low, the LCD module execute command.
7 to 14 feet: D0 to D7 for 8 -bit bi-directional data line.
15 feet: backlight positive.
16 feet: backlight negative.
رفرنس:
Funduino LCD 1602 Keypad Shield