DIY | This circuit makes a hidden emergencyHDD to be controllable only by your key,regardless of how many people usethe same HDD should be used only forCopy and paste, because of low powerof relay batteries, if you want it to worklonger, add more batteries using parallel use a stronger RC is an electronic Hack to protect the datafrom Software Hackers,or some-one you don’twant him to access your Samimy ProductionDecember 5th-2010My other projects: for my next DIY ProjectsMusic from Certified Purchased by Samimy Royalty Free TrackName: Esta la NocheSlogan:There’s a fiesta going on all night and you are :D216 | Video tube