Velleman Whadda WPM461 Manual de usuario
MANUAL
whadda.com
EN CHIP KEY DISPLAY MODULE
WPM461
2
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 unauthorised 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 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.
What is Arduino®
Arduino®is an open-source prototyping platform based on easy-to-use hardware and software.
Arduino®boards are able to read inputs –light-on sensor, a finger on a button or a Twitter message –
and turn it into an output –activating of a motor, turning on an LED, publishing something online. You
can tell your board what to do by sending a set of instructions to the microcontroller on the board. To
do so, you use the Arduino programming language (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
3
Product overview
The Whadda chip key display module features a combination of eight 7-segment displays, eight red
LEDs, and eight push-buttons making it ideally suited for making simple user interfaces.
All of the LEDs and buttons are driven and/or read by a TM1638 LED controller IC. This driver chip
uses a simple 3-wire serial interface to communicate with your Arduino® compatible board.
Specifications:
Driver chip: TM1638 LED controller
Supply voltage: 5 V
Number of LEDs: 8
Number of 7-segment displays: 8 (with decimal point)
Number of pushbuttons: 8
Weight: 28 g
Dimensions (W x L x H): 76.2 x 50.2 x 10.6 mm
Wiring description
Pin
Name
Arduino®connection
VCC
Supply voltage (5 V DC)
5V
GND
Ground
GND
STB
Chip selection input
Digital Pin 4
CLK
Clock input
Digital Pin 6
DIO
Serial data input
Digital Pin 7
4
Example program
You can download the example Arduino® program by going to the official Whadda github page:
https://github.com/WhaddaMakers/TM1638-Chip-key-display-module
1. Click the “Download ZIP” link in the “Code” menu:
2. Unzip the downloaded file, and browse to the WPM461_example folder. Open the example
Arduino® sketch (WPM461_example.ino) located in the folder.
3. Use the Arduino Library manager to install the TM1638plus library, by going to Sketch >
Include Library > Manage Libraries… , typing in TM1638plus in the search bar and clicking
“Install”:
4. Connect your Arduino compatible board, make sure the correct Board and connection port
are set in the tools menu, and hit Upload
The example program will cycle through various display sequences, which includes showing
“Velleman” and “Whadda” on the 7-segment displays, turning on and off all of the red LEDs, showing
a number sequence on the 7-segment display, and displaying the number of milliseconds since last
reset on the display.
Check the comments in the example code for more information on what each function does.
5
whadda.com
Modifications and typographical errors reserved - © Velleman Group nv. WPM461
Velleman Group NV, Legen Heirweg 33 - 9890 Gavere.
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