Velleman VMA450, User Manual

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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.