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Need help with dallas key reader

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elecgirl88

New Member
Hi guys, im doing a design project and my section requires me to implement a dallas key system to autherize lecturers to stop the recording of lectures in a venue. it has a LCD inteface..im using a PIC18 miro and if i need to reprogram a new user, how would this be posssible to do so without going to each venue and using a master key?can i use in-circuit programming? every unit will be connected to a server, assume there are about 20-30 units in a building.

any ideas?
Thank u
 
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Welcome to ETO, elecgirl88.

Since you are new, I recommend you read the forum rules (the button that says "community rules" near the top of the page). It is mentioned in there somewhere that a good question will get a good answer. It would be very helpful if you showed us what you had already, and asked more specific questions. Just a suggestion for future reference :)
I'm looking forward to hearing more about your project!
Best regards,
Der Strom
 
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