Controlling a Cold Store Temperature Through a Mobile Phone

Mobile phone has become familiar and necessary to everyone, and so become the remote control. Therefore, it would be wonderful to join these small devices in one function i.e. to use the mobile phone as a remote control. Here, a mobile phone is used to serve as a remote control for a co1d-store. The remote control system consists of two mobile phones, a Dual Tone Multiple Frequency decoder (DTMF), a Personal Computer (PC), a cold store, and a designed circuit. One mobile phone serves as a remote control, while the other is used to receive calls from the first one.
Provided by: Creative Commons Topic: Hardware Date Added: Aug 2014 Format: PDF

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