27220 Parallax Inc, 27220 Datasheet - Page 140

• 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

EXPERIMENT #23: EXPANDED DIGITAL OUTPUTS WITH SHIFT
REGISTERS
This experiment demonstrates the expansion of BASIC Stamp outputs with a simple
shift register. Three I/O pins are used to control eight LEDs with a 74HC595 shift
register.
Look It Up: PBASIC Elements to Know
Building the Circuit
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SHIFTOUT
MSBFIRST (used with SHIFTOUT)