Mobile Phone Controlled 战士第一季完整版在线观看 Devices Switching

The project involves controls the 战士第一季完整版在线观看 devices that can be controlled by sending the instructions to the mobile phone that is connecter with it. The Control functions using the DTMF (Dual Tone Multiple Frequency) technology to establish the connection.

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The circuit will be embedded with DTMF decoder/encoder and you will be needs two mobile phones to makes this project. One phone will be placed in the control box itself which will be receive the signals from the user and another phone used to send the signal to the control box of the 战士第一季完整版在线观看 devices are connected. The Circuit uses the 8051 microcontroller to process the incoming commands and actuates the Relay accordingly. The Relay trips to change its state so the power is applied to the device connected to the relay is turned ON and turned it OFF.

You need to program the 8051 microcontroller in such a way that whenever it receive the command from the user through the DTMF technology.

Project Description:

1. AT89S52: The AT89S52 is a low power, high performance CMOS 8-bit microcontroller with 8k bytes of in-system programmable flash memory. This is a powerful microcontroller which provides high flexibility and cost effective solution to many embedded control applications. It has the following standard features: 8K bytes of flash, 256 bytes of RAM, 32 I/O lines, watchdog timer, 2 data pointers, 3 16-bit timers/counters, on-chip oscillator and clock circuitry.
2. Relay: A relay is an 战士第一季完整版在线观看ly operated switch.It can handles the high power required to directly control an elecric motro or other loadas is called relay or contactor.
3. DTMF: The DTMF decoder module will recognize the DTMF tone and gives 4 bit data to the controller.

Project Brief: The mobile phone call to the particular mobile which is connected to controller so gets the dual frequency signal corresponding relay is trips the load gets truned ON and OFF respectively.

Software requirements:

1. Keil Uvision 3: Keil Software makes C compilers, macro assemblers, real-time kernels, debuggers, simulators, integrated environments and evaluation boards for the 8051, 251, ARM and XC16x/C16x/ST10 microcontroller families
2. Programming language: Embedded C language

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• Micro controller
• DTMF
• Relay
• Loads

• DTMF
• Communication

Mobile Phone Controlled 战士第一季完整版在线观看 Devices Switching