Overview
IBridge is a 4X4 key-pad shield with a 5110 Graphic LCD interface.You can plug it on Arduino boards directly, and you can get the small development platform with keypad input and Graphic LCD display.
Specifications
| PCB size |
53.3mm X 68.6mm X 1.6mm
|
| Power supply |
5V DC
|
| RoSH |
Yes
|
Electrical Characteristics
| Specification
|
Min
|
Type
|
Max
|
Unit
|
| Power Voltage |
4.5 |
5 |
5.5 |
VDC
|
| Input Voltage VH (Target Voltage = 3.3V) |
3 |
3.3 |
3.6 |
V
|
| Input Voltage VH (Target Voltage = 5V) |
4.5 |
5 |
5.5 |
|
| Input Voltage VL: |
-0.3 |
0 |
0.5 |
V
|
| Current Consumption(Except Motor Drive Current) |
- |
20 |
40 |
mA
|
Hardware
| Zone
|
Name
|
Description
|
| 1 |
Switch |
Set the keypad input level
|
| 2 |
Jumper |
Fix the voltage level that LCD work with
|
| 3 |
LCD5110 socket |
Interface for LCD5110
|
| 4 |
Keyboard Zone |
16 buttons in scan keyboard
|
Pins description
| Pin
|
Pad Name
|
Type
|
Description
|
| P3 |
Row2 |
I |
Scan key-board row line 2
|
| P4 |
Row3 |
I |
Scan key-board row line 3
|
| P5 |
Column0 |
O |
Scan key-board column line 0
|
| P6 |
Column1 |
O |
Scan key-board column line 1
|
| P7 |
Column2 |
O |
Scan key-board column line 2
|
| P8 |
Column3 |
O |
Scan key-board column line 3
|
| P9 |
SCK |
O |
LCD5110 clock
|
| P10 |
MO |
O |
LCD5110 data
|
| P11 |
D/Cn |
O |
LCD5110 data/command select
|
| P12 |
RSTn |
O |
LCD5110 reset
|
| P13 |
CSn |
O |
LCD5110 chip select
|
| P17 |
Row0 |
I |
Scan key-board row line 0
|
| P18 |
Row1 |
I |
Scan key-board row line 1
|
| P24 |
GND |
G |
|
| P25 |
GND |
G |
|
| P26 |
VCC |
P |
|
Switch description
| Switch
|
Description
|
| 3.3V |
Work with 3.3V system, like IFLAT32
|
| 5V |
Work with 5V system, like Arduino , Iteaduino
|
Jumper description
| Jumper
|
Description
|
| All |
Work with 3.3V system, like IFLAT32
|
| None |
Work with 5V system, like Arduino , Iteaduino
|
Schematic
Notice
