描述

Rs-Pi-8448-LCD Master  plug in Raspberry Pi

一、 Rs-Pi LCD Master can plug-in 84×48 LCD , 16×2 LCD, 20×4 LCD

二、產品特色

1. 5 GPIO (7,8,9,10,11) control Micro Switch

2. back light control circuit can control by software

3. software LCD contrast control

4. support our Pi_Scratch software    Detail

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 84×48 LCD

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

8. Scratch 範例

command   “LCD8544 ” + “init”  initial  84×48 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

9. LCD 84×48  Top 5 news from BBC RSS

command “LCD8544 init”   initial  GPIO 84×48 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

10. New command 08,jan,2014 update

command  “LCD8544 ” + “X , Y” + ” ram”   Display RAM usage  in location  x,y

command  “LCD8544 ” + “X , Y” + ” wifi” + “ ip”  Display WiFi IP  in location  x,y

command  “LCD8544 ” + “X,Y” + ” wifi”  + ” ssid”   Display WiFi SSID in location  x,y

command  “LCD8544 ” + “X,Y” + ” wifi”  + ” gsig”   Display wifi signal with bar chart in location  x,y

(1) 5 GPIO Switch  GPIO 7,8,9,10,11

1.Setting GPIO 7, 8, 9, 10, 11 as input

2. broadcast  “Update”

3. in Sensing –> Slider , you will see the GPIO-7, 8, 9, 10, 11  in the list

三、範例程式下載

8448LCD

四、產品內容

1x Rs-Pi LCD  Master board with 84X48 Monochrome LCD

1x User Manual