User Manual

VMA450
V. 01 – 12/02/2020 4 ©Velleman nv
I
2
C Address Setting Table
inputs
I2C bus slave address
A2
A1
A0
L
L
L
32 (decimal), 20 (hexadecimal)
L
L
H
33 (decimal), 21 (hexadecimal)
L
H
L
34 (decimal), 22 (hexadecimal)
L
H
H
35 (decimal), 23 (hexadecimal)
H
L
L
36 (decimal), 24 (hexadecimal)
H
L
H
37 (decimal), 25 (hexadecimal)
H
H
L
38 (decimal), 26 (hexadecimal)
H
H
H
39 (decimal), 27 (hexadecimal)
Default address is 0x27, no jumpers.
6. Connection VMA450 to a VMA100/Arduino
®
UNO
VMA100/Arduino
®
UNO
VMA450
5V
VCC
GND
GND
A4
SDA
A5
SCL
7. Operation
1. Connect the VMA450 to the VMA100/Arduino
®
Uno.
2. Download the library file LiquidCrystal_I2C.zip from our website www.velleman.eu.
3. Open the Arduino
®
IDE and connect the VMA100/Arduino
®
Uno to your laptop/desktop.
4. Load the LiquidCrystal_I2C.ZIP into the IDE.