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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by abdulgtm[/i] [br]I hv need of help to make a circuit combination lock for my home security or shop, mean when I leave my home I must active my circuit , and when if some one open that door withiout my wish then after some time delay that circuit give alarm / hooter in that area, because that circuit did not get required combination lock circuit. please guide me a circuit which is whitout using programming or conroller Thanks A.Rehman [/quote]    Insert an Image File (GIF, JPG, JPEG, BMP, ZIP, PNG) Check here to include your profile signature.