IBridge lite

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Overview

Ibridge.jpg

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

IM120417001_Ibridge_pin.jpg

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

Ibridge1.jpg

Download

Datasheet for IBridge

Schematic for IBridge

Demo Code for IBridge

Useful Links

by JvK <Poor man 's multichannel data logger>