Raspberry Pi - I2C LCD Master Board

 
£41.99

  

Raspberry Pi - I2C LCD Master Board

 

                                           

                  i2c interface 16x2 & 20x4 LCD socket  ,GPIO interface for 84x48 LCD

    

 

    Rs-Pi LCD Master can plug-in 84x48 LCD , 16x2 LCD, 20x4 LCD

 

1. 8  i2c Port A control  Micro Switch

2. back light control circuit can control by software

3. software LCD contrast control for 84x48 LCD

4. support our Scratch control driver

5. 2 i2c device input port J7 (GND, 5V,SDA,SCL)  &  J8 (GND,3V3,SDA,SCL)

    J7 with Logic Level converter

6. build-in 3v3 power regulator provide 3v3  to 84x48 LCD

7.J10  2-3 84X48 LCD back light always ON,  1-2 control by GPIO18

8. 10k Trimpot for 16x2 & 20x4 LCD contrast control

 

(1) 84x48 pixels  GPIO LCD

command   "LCD8544 " + "init"  initial  84x48 LCD

command  "LCD8544 " + "con " + " (0 -255)"  LCD contrast

command  "LCD8544 "  + "bl " + "on/off"  LCD back light ON / OFF

command  "LCD8544 " + "cls"   clean screen

command   "LCD8544 " + "X , Y " + " MESSAGE"   Display message to LCD in location  x,y

command  "LCD8544 " + "X , Y " + " wip"   Display WiFi IP  to LCD in location  x,y

command  "LCD8544 " + "X , Y " + " eip"   Display Ethernet IP to LCD in location  x,y

command  "LCD8544" + "X , Y " + " time"   Display Time to LCD in location  x,y

command  "LCD8544 " + "X , Y " + " date"   Display Time to LCD in location  x,y

(2) GPIO LCD 84x48  Top 5 news from BBC RSS

command "LCD8544 init"   initial  GPIO 84x48 LCD

command "LCD8544 con 170"   (0 -255)"  LCD contrast

command "LCD8544 "rss"+  " speed"   Active RSS function (need have internet)

LCD8544 rss 5           speed (1 to 20 -  1 is fast , 20 is slow)

command "LCD8544 rss off"   stop RSS function

 

(3) i2c 20x4 character LCD

command  "LCD2004 " + "init"   initial  i2c 20x4 LCD

command   "LCD2004 " + "X , Y " + " MESSAGE"   Display message to LCD in location  x,y

command  "LCD2004 " + "cls"   clean screen

command  "LCD2004 "  + "bl " + "on/off"  LCD back light ON / OFF

command  "LCD2004 " + "X , Y " + " wip"   Display WiFi IP  to LCD in location  x,y

command  "LCD2004 " + "X , Y " + " eip"   Display Ethernet IP to LCD in location  x,y

command  "LCD2004 " + "X , Y " + " time"   Display Time to LCD in location  x,y

command  "LCD2004" + "X , Y " + " date"   Display Time to LCD in location  x,y

 

(4) 20x4 RSS function

RSS function ( Scrolling text Display top 3 News message)

BBC world news RSS feed

command "LCD2004 init"   initial  i2c 20x4 LCD

command "LCD2004 bl on" turn on LCD back light

command "LCD2004 "rss"+  " speed"   Active RSS function (need have internet)

LCD2004 rss 5           speed (1 to 20 -  1 is fast , 20 is slow)

command "LCD2004 rss off"   stop RSS function

 

 

(5) i2c 16x2 character LCD

command  "LCD1602 " + "init"   initial  i2c 16x2 LCD

command   "LCD1602 " + "X , Y " + " MESSAGE"   Display message to LCD in location  x,y

command  "LCD1602 " + "cls"   clean screen

command  "LCD1602 "  + "bl " + "on/off"  LCD back light ON / OFF

command  "LCD1602 " + "X , Y " + " wip"   Display WiFi IP  to LCD in location  x,y

command  "LCD1602 " + "X , Y " + " eip"   Display Ethernet IP to LCD in location  x,y

command  "LCD1602 " + "X , Y " + " time"   Display Time to LCD in location  x,y

command  "LCD1602 " + "X , Y " + " date"   Display Time to LCD in location  x,y

 

(6) 16x2 LCD RSS function

RSS function ( Scrolling text Display top 4 News message)

message format

Line1 --> Time + message 1 + "  ->->  "  + Message 3 + Time

Line2 --> Time + message 2 + " ->->  "  + Message 4  + Time

 

BBC world news RSS feed

command "LCD1602 init"   initial  i2c 16x2 LCD

command "LCD1602 bl on" turn on LCD back light

command "LCD1602 "rss"+  " speed"   Active RSS function (need have internet)

LCD1602 rss 8           speed (1 to 20 -  1 is fast , 20 is slow)

command "LCD1602 rss off"   stop RSS function

 

 

(7) i2c LCD1602 & i2c LCD 2004   8 switch detect in scratch

(1) broadcast "LCD1602 init"    for 16x2 LCD

     broadcast "LCD2004 init"   for 20x4 LCD

(2)after broadcast  "Update"   

  in Sensing --> Slider , you will see the " I2C1,I2C2,I2C3,I2C4,I2C5,I2C6,I2C7,I2C8 "  in the list

 

Demo Program C & python

8448LCD      

 

 

Package Content

  1x Rs-Pi I2C LCD Master board

1x 84x48 LCD, 1x 16x2 LCD, 1x 20x4 LCD

1x manual 

  

 
 

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