Hi,

From page 3:
http://www.parallax.com/Portals/0/Do...ceive-v1.0.pdf

===========================
Basic Stamp 1:

PULSOUT 1, 300

300 = 300 * 10 µs = 3000 µs
===========================
Basic Stamp 2:

PULSOUT 8, 1200

1200 = 1200 * 2 µs = 2400 µs
===========================

See page 339 of the Basic Stamp manual:
http://www.parallax.com/dl/docs/prod...icStampMan.pdf

Best regards,

Luciano