• 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.
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®...
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.