madmikejt12 Posted September 13, 2006 Report Share Posted September 13, 2006 hi, i have decided to make an electronic alarm for my final GCSE project and want a keypad (for a code) i want to know if i can use a PIC to control what the code is? and if it is typed in wrong , the alarm goes off.. is this possible? or will i need a seperate more complex circuit?Thanksmike Quote Link to comment Share on other sites More sharing options...
hotwaterwizard Posted September 16, 2006 Report Share Posted September 16, 2006 A Quick Search came up with these circuits.http://uk.geocities.com/ronj_1217/4d_mod.htmlhttp://www.amarkham.com/andrew/pic_alarm.htm Quote Link to comment Share on other sites More sharing options...
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