Ibridge V1.0

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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.

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

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>