Jul 28, 2012 #1 J janarthana Newbie level 5 Joined Jul 28, 2012 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,325 , i want make one lock , that the lock if one signal is passed to the lock,it want to open automatically.
, i want make one lock , that the lock if one signal is passed to the lock,it want to open automatically.
Jul 29, 2012 #2 tpetar Advanced Member level 7 Joined Sep 27, 2010 Messages 6,417 Helped 1,713 Reputation 3,456 Reaction score 1,673 Trophy points 1,393 Location Pancevo-Belgrade, Serbia Activity points 37,363 janarthana said: View attachment 77848 , i want make one lock , that the lock if one signal is passed to the lock,it want to open automatically. Click to expand... Hi, Can you give some additional information about that?
janarthana said: View attachment 77848 , i want make one lock , that the lock if one signal is passed to the lock,it want to open automatically. Click to expand... Hi, Can you give some additional information about that?
Jul 29, 2012 #3 J janarthana Newbie level 5 Joined Jul 28, 2012 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,325 i am going to keep the key in the lock , for the key safety i am going to use this lock , if i give pulse input to that lock means it want to open, i am going to give that pulse though keypad. - - - Updated - - - but it want to take low power , and low cost
i am going to keep the key in the lock , for the key safety i am going to use this lock , if i give pulse input to that lock means it want to open, i am going to give that pulse though keypad. - - - Updated - - - but it want to take low power , and low cost
Jul 29, 2012 #4 J jeffrey samuel Advanced Member level 4 Joined Jul 23, 2012 Messages 1,092 Helped 107 Reputation 214 Reaction score 107 Trophy points 1,363 Location chennai,india Activity points 6,373 try using a mosfet design where the pulse must be given to the gate and its voltage must be greater than the threshold voltage secondly when key is inserted there must be provision for closing the source drain circuit and there by drain current can flow we know that when voltage exceeds threshold voltage the channel is created and thereby a path for drain current is found the current can then be used to open the lock
try using a mosfet design where the pulse must be given to the gate and its voltage must be greater than the threshold voltage secondly when key is inserted there must be provision for closing the source drain circuit and there by drain current can flow we know that when voltage exceeds threshold voltage the channel is created and thereby a path for drain current is found the current can then be used to open the lock
Jul 29, 2012 #5 tpetar Advanced Member level 7 Joined Sep 27, 2010 Messages 6,417 Helped 1,713 Reputation 3,456 Reaction score 1,673 Trophy points 1,393 Location Pancevo-Belgrade, Serbia Activity points 37,363 janarthana said: View attachment 77848 , i want make one lock , that the lock if one signal is passed to the lock,it want to open automatically. Click to expand... I'm sorry I didnt understand what is that on posted picture ? This looks like similar mountaineering equipment karabiner but more like some pendant for keys. Better use some box with electronic lock. Last edited: Jul 29, 2012
janarthana said: View attachment 77848 , i want make one lock , that the lock if one signal is passed to the lock,it want to open automatically. Click to expand... I'm sorry I didnt understand what is that on posted picture ? This looks like similar mountaineering equipment karabiner but more like some pendant for keys. Better use some box with electronic lock.
Jul 30, 2012 #6 J jeffrey samuel Advanced Member level 4 Joined Jul 23, 2012 Messages 1,092 Helped 107 Reputation 214 Reaction score 107 Trophy points 1,363 Location chennai,india Activity points 6,373 try this circuit this can be used to run a relay that opens the lock