Ibridge V2.0

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.

Go shopping IBridge V2.0(IM150902001)

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

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

Download

Ibridge V2.0-Dome

IBridge V2.0- schematic

IBridge V2.0-dimension