Bedroom Keypad Door Lock

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  #1  
Old 07-19-13, 08:48 PM
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Bedroom Keypad Door Lock

Hi, im 16 and im bored so im looking for a cheap way to build a Keypad door lock for my room just for fun i looked around on the internet and found all these old articles that didnt really explain it which is why im posting on here im looking to spend around $20 because i dont care if it looks crappy just as long as its functinal please if someone knows how to do this reply and tell me what i need to buy links would also be appritated as well and maybe link a article if you can find a more recent one that has working links and if you would be ever so kind if you have a simular system if you could take pictures so i know how it is all set up thanks also i want the code to be 10 digits long so yah thanks for all of your help it is appriated <3.
 
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Old 07-19-13, 11:27 PM
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Also i forgot to include this but a strike would not work on my door.
 
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Old 07-20-13, 12:16 AM
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Four digit electronic combination lock kits are readily available for about $10-$15. Without the ability to install an electronic strike though it would be useless. I suppose you could use a solenoid and "monkey motion" to throw a barrel bolt but I can't see even getting the parts surplus for $20. Sorry.

BTW, most electronic combination locks are four digit. Some will allow six or a few, eight digits. Ten digits would be a very high security lock and I doubt that you would find one without spending several hundreds of dollars.
 
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Old 07-20-13, 05:44 AM
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You are thinking of a cipher lock. Google that and you will find what you are looking for, although likely not in your budget.

Your best option is to get one used. Check ebay.
 
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Old 07-20-13, 06:43 PM
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I'm pretty sure that Cypher Lock is a brand name.

Mechanical pushbutton locks ARE available but they also cost a pretty penny. It has been a few years now but I did see pushbutton deadbolts available for around $50. They were four digit code as I recall and came in several different variations.

Even a door lock set such as by Unicam or Simpson rarely has more than a six digit combination. These units start at about $150 as I recall.
 
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