N and V column

Column #120: You Can’t Touch That: Non-contact Access Control
Page 76 The Nuts and Volts of BASIC Stamps (Volume 6)
HIGH Enable ' deactivate reader
Access_Granted:
HIGH Latch ' open the lock
PAUSE 2000 ' -- for two seconds
LOW Latch ' relock
GOTO Main
' -----[ Subroutines ]-----------------------------------------------------