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Introduction 

 

 

To all residents of the European Union 
Important environmental information about this product 

This symbol on the device or the package indicates that disposal of the device after its 
lifecycle could harm the environment. Do not dispose of the unit (or batteries) as unsorted 
municipal waste; it should be taken to a specialized company for recycling. This device 
should be returned to your distributor or to a local recycling service. Respect the local 
environmental rules. 

If

 

in doubt, contact your local waste disposal authorities.

 

 

 

 

Thank you for choosing Whadda! Please read the manual thoroughly before bringing this 
device into service. If the device was damaged in transit, do not install or use it and contact 
your dealer. 

Safety Instructions 

 

 

Read and understand this manual and all safety signs before using this appliance. 

 

 

 

For indoor use only. 

 

 

 

 

This device can be used by children aged from 8 years and above, and persons with 

reduced physical, sensory or mental capabilities or lack of experience and knowledge if 
they have been given supervision or instruction concerning the use of the device in a 
safe way and understand the hazards involved. Children shall not play with the device. 
Cleaning and user maintenance shall not be made by children without supervision. 

General Guidelines 

 

 

 

Refer to the Velleman

®

 Service and Quality Warranty on the last pages of this manual. 

 

 

All modifications of the device are forbidden for safety reasons. Damage caused by 

user modifications to the device is not covered by the warranty. 

 

 

Only use the device for its intended purpose. Using the device in an unauthorized way 
will void the warranty. 

 

 

Damage caused by disregard of certain guidelines in this manual is not covered by the 

warranty and the dealer will not accept responsibility for any ensuing defects or 
problems. 

 

 

Nor Velleman Group nv nor its dealers can be held responsible for any damage 

(extraordinary, incidental or indirect) 

 

of any nature (financial, physical…) arising from 

the possession, use or failure of this product. 

 

 

Keep this manual for future reference. 

Summary of Contents for WPI300

Page 1: ...USER MANUAL EN 3x4 matrix membrane keypad WPI300 whadda com ...

Page 2: ...sons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the device in a safe way and understand the hazards involved Children shall not play with the device Cleaning and user maintenance shall not be made by children without supervision General Guidelines Refer to the Velleman Service and...

Page 3: ...based on Wiring and the Arduino software IDE based on Processing Additional shields modules components are required for reading a twitter message or publishing online Surf to www arduino cc for more information Product Overview The WPI300 is a simple keypad for entering user data into your project Together with a library it will allow your Arduino to read a matrix type keypad This keypad features ...

Page 4: ...4 Pin Layout Installation The keypad library should be installed before the example can be uploaded to the Arduino Go to Sketch Include Library Manage Libraries and search for keypad ...

Page 5: ...e of the matrix Keypad library for the Velleman VMA300 include Keypad h const byte ROWS 4 four rows const byte COLS 3 three columns char keys ROWS COLS 1 2 3 4 5 6 7 8 9 0 byte rowPins ROWS 8 7 6 5 connect to the row pinouts of the keypad byte colPins COLS 4 3 2 connect to the column pinouts of the keypad Keypad keypad Keypad makeKeymap keys rowPins colPins ROWS COLS void setup Serial begin 9600 v...

Page 6: ...6 if key Serial println key ...

Page 7: ...7 whadda com Modifications and typographical errors reserved Velleman Group nv WPI300_v01 Velleman Group nv Legen Heirweg 33 9890 Gavere ...

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