One such module is used in this project and is shown below.

24 – hour or 12- hour clock with AM/PM indicator.ĭS1307 RTC is available as modules, which consists of all the necessary components like Battery, connectors, pull-up resistors and crystal.

Automatic switching to battery supply in case of power failure.

Low power consumption: consumes less than 500nA while operated on battery.

hours, minutes, seconds, year with leap-year, month, date of the month and day of the week.

Complete Timekeeping functionality i.e.

Some of the well-known features of the popular DS1307 RTC are mentioned below. hours, minutes, seconds as well as year, month and day. The DS1307 RTC is a low cost, low power real time clock IC that can maintain full clock and calendar i.e. One of the popular and most commonly used RTC ICs is the DS1307 Real Time Clock. Almost all RTC ICs are low-current devices that run for years on a single lithium cell (usually CR2032). Here comes the use of Real Time Clock ICs. where the timer runs independently irrespective of the external power or if the Microcontroller (or Arduino) is reprogrammed. While timekeeping using internal timers is acceptable for simple projects, we need an alternative in projects like data loggers, clocks, alarms, etc. Once the power is turned off (manually or due to power outage), all the timers are reset to 0. they run as long as there is power supply. Real Time Clock ICs are present in computers, servers, many embedded systems and in fact they are used wherever it is required to keep an accurate time.Īlso read: ARDUINO ALARM CLOCK Why do we need a Real Time Clock (RTC)?Įven though Arduino and almost all microcontrollers have built-in timers and timekeepers ( millis () in case of Arduino), they are power dependent i.e. An RTC is battery powered and keeps track of the current time even when there is no power.

Working of Arduino Real Time Clock DS1307 InterfaceĪn RTC or Real Time Clock is a Timekeeping device, usually in the form of an Integrated Circuit (IC).

Arduino Real Time Clock DS1307 Interface.

Why do we need a Real Time Clock (RTC)?.

But DataPoint can easily be used to create a live-updating countdown timer on your television screen. We can use DataPoint to display real-time news and weather conditions already.

At PresentationPoint, we use DataPoint to bring our slides to life. makes it more exciting, especially when you are near the target dateīut the problem with normal PowerPoint is that all your slide content is static.Better would be a real-time countdown timer, counting down to create more suspense.Ĭountdown timers are better than using just the target date because: Most attractive would be if you could bring that target date or moment to life. And you can place your target date on that slide.

PowerPoint is one of the best graphical tools for creating pages or slide shows. Of course, you can use PowerPoint to design this slide and maybe add other slide pages with more company news or advertising. So, you are to announce your event on a television screen at your shop or office.

As a business owner or as a good leader in an office or company, you need to create awareness or trigger curiosity for an event. A ticking countdown timer on a television screen is great to announce an event or launch of something.

Ppt on real time clock