December 2012
Intermediate to advanced
204 pages
3h 40m
English
There are numerous applications using a keypad in an electronic circuit to enter data or make a choice from a number of selections. In such circuits as:
Door entry systems
Scoreboards, darts, snooker, cricket
Burglar alarms
Program selection as in a washing machine
Remote controls
Calculators
Recapping the if statement. ...