Description
Overview
Arduino Keypad is a 3X3 key-pad shield with a 5110 Graphic LCD interface. It is compatible with Arduino, you can plug it on Arduino board 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 |
9 buttons in scan keyboard |
Pins description
| Pin |
Pad Name |
Type |
Description |
| P2 |
Row0 |
I |
Scan key-board row line 0 |
| P3 |
Row1 |
I |
Scan key-board row line 1 |
| P4 |
Row2 |
I |
Scan key-board row line 2 |
| 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 |
SCK |
O |
LCD5110 clock |
| P9 |
MO |
O |
LCD5110 data |
| P10 |
D/Cn |
O |
LCD5110 catalog/command select |
| P11 |
RSTn |
O |
LCD5110 reset |
| P12 |
CSn |
O |
LCD5110 chip select |
| P23 |
GND |
G |
|
| P24 |
GND |
G |
|
| P25 |
VCC |
P |
|
Switch description
| Switch |
Description |
| 3.3V |
Work with 3.3V system boards |
| 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 |
Download
Datasheet for IBridge Lite
Schematic for IBridge Lite
Demo Code for IBridge Lite
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