描述

樹莓派 Raspberry Pi – 16×2 1602 LCD Master Board

Raspberry Pi LCD Master Board with 16×2 blue/White character LCD

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. support our Pi_Scratch software    Detail

4. 10k Trimpot for LCD contrast control

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

J7 with Logic Level converter

6. support Gordon Henderson  LCD library

三、16×2 Character LCD

command  “LCD1602g ” + “init”   initial  GPIO 16×2 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

四、16×2 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 “LCD1602g init”   initial GPIO 16×2 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

五、GPIO 16×2 LCDnew command  **  08,Jan,2014 update 

command   “LCD1602 ” + “X , Y ” + ” ram”   Display RAM usage  in location  x,y

command   “LCD1602 ” + “X , Y ” + ” wifi” + “ ip”  Display WiFi IP  in location  x,y

command   “LCD1602 ” + “X , Y ” + ” wifi” + ” ssid”   Display WiFi SSID in location  x,y

command   “LCD1602 ” + “X , Y ” + ” wifi” + ” gsig”   Display wifi signal with bar chart in

location  x,y

WiFi IP & WiFi SSID

WiFi Signal & Memory usage

(3) support Gordon  wiringPi LCD library and  c code

六、範例程式下載

LCD 1602 Program

七、產品內容

1x Rs-Pi LCD  Master board  with 16×2 character LCD

1x User Manual