simple digital clock using 8051 microcontroller at89c51 pdf

Digital clock displays the time using numbers. This circuit is used in many applications like cars, railway stations, houses, offices, etc. in order to provide accurate time and date. In this type of applications, normally we use RTC (Real Time Clock) ICs to display the time and date accurately. This circuit displays the time on LCD. For this clock, we can set the time at any instant. Here the clock works in 24 hour mode and the RTC chip is configured by programming 8051 controller.

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ABSTRACT
As power consumption of the clock tree in modern VLSI designs
tends to dominate, measures must be taken to keep it
under control. This paper introduces an approach for reducing
clock power based on clock gating. We present a methodology
that, starting from an RTL description, automatically
generates a set of constraints for driving the construction of
the clock tree by the clock synthesis tool. The methodology
has been fully integrated into an industry-strength design
flow, based on Synopsys DesignCompiler (front-end) a ....etc

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introduction to the lcd based digital clock using 8051 microcontroller at89c51

A digital clock is one that displays time digitally. The project explained here, displays time on a 16x2 LCD module. The LCD is interfaced with 8051 microcontroller (AT89C51). This circuit can be used in cars, houses, offices etc. ....etc

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Remote Controlled Digital Clock with DS1307 & AT89C2051

This Project is made up with AT89C2051 and the RTC DS1307. It has a large Seven segment display. The standard remote control is used to change the Time.
Procedure to enter the Time
1. Press power button on the remote to enter new time
2. Press the Numerical buttons to enter the time
3. Press the Menu button to store the New time

Ths system has an battery backup, so that the Clock will run during power failure. ....etc

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Abstract:
This Project is made up with AT89C2051 and the RTC DS12C887. It has a large Seven segment display/LCD Display. The standard remote control is used to change the Time.
Procedure to enter the Time

1. Press power button on the remote to enter new time
2. Press the Numerical buttons to enter the time
3. Press the Menu button to store the New time ....etc

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hi..we want the project abstract of lcd based digital alarm clock with digital thermometer using 8051/89c51..
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remote controlled digital clock with ds1307 at89c2051

This Project is made up with AT89C2051 and the RTC DS1307. It has a large Seven segment display. The standard remote control is used to change the Time.
Procedure to enter the Time
1. Press power button on the remote to enter new time
2. Press the Numerical buttons to enter the time
3. Press the Menu button to store the New time

Ths system has an battery backup, so that the Clock will run during power failure. ....etc

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To get full information or details of remote controlled digital clock with ds1307 at89c2051 explain please have a look on the pages

http://seminarsprojects.net/Thread-remote-controlled-digital-clock?pid=45327

if you again feel trouble on remote controlled digital clock with ds1307 at89c2051 explain please reply in that page and ask specific fields in remote controlled digital clock with ds1307 at89c2051 explain ....etc

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REMOTE-CONTROLLED REAL-TIME CLOCK WITH DEVICE CONTROLLER



Circuit description

1 shows the block diagram of the
remote-controlled real-time clock with
device controller. It comprises six sections,
namely, IR detector remote control
sensing and decoding unit, realtime
clock, LCD interface, device
switching unit, microcontroller and
power supply unit
The microcontroller unit integrates
all the sub-systems and system software
operates the system. Fig. 2 shows
the circui ....etc

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An alarm clock is a clock that indicates a pre-set time by producing sound at that time. This functionality of digital clock is used to awaken people or remind them of something. This circuit is an extension to the digital clock with time setting option. Here an extra switch is provided to set the alarm. While the alarm is set, the clock time does not stop and runs in the background.The circuit is build around 8051 microcontroller (AT89C51) and uses LCD to display time. ....etc

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