Ibridge V1.0

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.

Go shopping IBridge (IM120417001)

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

Download

Datasheet for IBridge

Schematic for IBridge

Demo Code for IBridge

Useful Links

by JvK <Poor man 's multichannel data logger>