27220 Parallax Inc, 27220 Datasheet - Page 77

• Manufacturer Part Number: 27220
• Description: BOOK STAMPWORKS
• Manufacturer: Parallax Inc

Specifications of 27220

• Accessory Type: Booklet
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• For Use With/related Products: StampWorks
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Not applicable / Not applicable

Using 7-Segment LED Displays · Page 67
EXPERIMENT #10: A DIGITAL CLOCK
The purpose of this experiment is to create a simple digital clock using four, 7-
Segment displays. Through this experiment we’ll gain a bit of insight to the process
of display multiplexing, and discover a trick that lets us know when an input has
changed to a specified state.
Look It Up: PBASIC Elements to Know
DIG (digit operator)
•
Building the Circuit