Ibridge V2.0

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Introduction

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.

Specification

PCB size 68.6mm X 53.3mm X 1.6mm
Power supply 5V
Operation Level Digital 5/3.3V DC

Electrical Characteristics

Parameter Min. Typical Max. Unit
Power supply 4.5 5 5.5 VDC
Input voltage VinH(Target voltage=3.3V) 3 3.3 3.6 V
Input voltage VinH(Target voltage=5V) 4.5 5 5.5 V
Input voltage VinL -0.3 0 0.5 V
Current Consumption - 20 40 mA

Hardware

IM150902001 - IBridge V2.0.png

Zone 1: Set the voltage level of arduino board.

Zone 2: Interface for LCD5110

Zone 3: 16 buttons in scan keyboard

Pinmap

Index Name of Arduino Function of IBridge Description
1 D0
2 D1
3 D2 ROW2 Scan key-board row line 2
4 D3 ROW3 Scan key-board row line 3
5 D4 Column0 Scan key-board column line 0
6 D5 Column1 Scan key-board column line 1
7 D6 Column2 Scan key-board column line 2
8 D7 Column3 Scan key-board column line 3
9 D8 SCK LCD5110 clock
10 D9 MO LCD5110 data
11 D10 D/Cn LCD5110 data/command select
12 D11 RSTn LCD5110 reset
13 D12 CSn LCD5110 chip select
14 D13
15 A0
16 A1
17 A2
18 A3
19 A4 Row1 Scan key-board row line 1
20 A5 Row0 Scan key-board row line 0

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