Cashbox or Locker Alarm


Posted on Feb 7, 2014

The locker alarm circuit or cashbox watcher can be used to protect a cashbox/locker from unauthorised access. This tried and tested design forms a fool-proof,remotely operated alarm/electromagnetic relay driver that receives its control signal from a standard reed switch. The circuit works off a 12V dc power supply.After construction, enclose the whole circu..


Cashbox or Locker Alarm
Click here to download the full size of the above Circuit.




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