View source for UART SERIAL 16*2 CHARACTERS LCD

==Overview==

[[File:Character LCM screen.jpg|thumb|400px|right]]
Character LCM screen is a common display device, we provide 16×2, 8×2, 20×4 with Yellow / Blue black light LCD. But these LCD need more than 6 pins for controlling and you need to know the control register and time series.

==Specifications==
{| border="1"

| Resolution||16X2
|-
| Backlight color||Yellow, Blue 
|-
| Communication Protocol||UART
|-
| Band Rate||9600
|-
| RoSH||Yes
|}

==Recommended operating condition==
{| class="wikitable"
|-
| Power supply voltage ||5 VDC 
|-
| Current consumption||60mA（Blue） 70mA（Yellow） 
|-
| Input Voltage VH||2.7V (Min) 3.3V (Type) 3.6V(Max) 
|-
| Input Voltage VL||0.3V (Min) 0V (Type) 0.9V(Max) B71
|-
| Operation Temperature||20℃~60℃
|}

==Commands description== 
===1. Command format=== 
The format of all commands is CMD+[Parameter]+’;’, the [parameter] is option, and the ‘;’ is 
necessary. 
===2. Command list and parameter=== 
1) Screen Clean 

CMD : sc , Parameter : Null; 

Example : 
sc; -----------------Screen clean. 
2) Set backlight 

CMD : sb, Parameter :1/0 [1: Set the backlight on; 0: Set the backlight off] 

Example : 
sb1; ---------------Set the backlight on. 
sb0; ---------------Set the backlight off. 

3) Set coordinate 

CMD : sd, Parameter :X,Y [X: the column (X = [0,1]); Y: the row (Y = [0:15])] 

Example : 
sd0,0; --------------Set the coordinate to column 0 and row 0. 
Sd1,15; ------------Set the coordinate to column 1 and row 15
 
4) Send string 

CMD : ss, Parameter : Char String 

Example: 
ss12345; -------------Send the char string to display in coordinate. 

5) Set the cursor on/off 

CMD su, Parameter: 0/1 [0: Set the cursor off, 1: Set the cursor on] 

Example: 
su0; --------------Set the cursor off 
su1; --------------Set the cursor on 

6) Set the cursor type 

CMD sf, Parameter: 0/1 [0: Set the cursor blink off, 1: Set the cursor blink on] 

Example: 
sf0; -------------- Set the cursor blink off 
sf1; -------------- Set the cursor blink on 
7) Move the cursor 

CMD sm, Parameter: 0/1 [0: Move the cursor left , 1: Move the cursor right] 

Example: 
sm0; -------------- Move the cursor left 
sm1; -------------- Move the cursor right 
===3. Return message=== 
O: OK, the mean is the command is correct and been done 

E: Error, the mean is the command is error.
 
4. Command corresponding time 

All the command corresponding time is < 50ms.

===User notes=== 
1. All the commands are lower case, and the end of command must be the char ‘;’.

==Download==

==Useful Links==