IQ Alarm clock using Arduino for heavy sleepers

Raising from bed can be the most painful thing you could ever do. We often set alarms to wake up but ends up in snoozing it out or even kick the alarms away. To address this we have come up with an Arduino project ” IQ alarm clock ” which will annoy you until you wake up. The most highlighting thing about this alarm is that it will ask you a question once it starts sounding and you can turn it off only if y ...

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Interfacing Arduino with DS1307 real time clock

This topic shows how to interface Arduino with DS1307 real time clock to make a clock and calender. To understand the project and code easily you have to read the datasheet of the DS1307. DS1307 Pin assignment: The picture is taken from ds1307 datasheet and it shows the pin assignment of our chip RTC: Arduino real time clock using DS1307 circuit: On the circuit schematic there are two buttons used to set th ...

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Arduino Real Time Clock Using DS1307

This topic shows how to interface Arduino with DS1307 real time clock to make a clock and calender. To understand the project and code easily you have to read the datasheet of the DS1307. DS1307 Pin assignment: The picture is taken from ds1307 datasheet and it shows the pin assignment of our chip RTC: Arduino real time clock using DS1307 circuit: On the circuit schematic there are two buttons used to set th ...

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Fast Counter

Every once in a while there is a question in the Arduino forum on how fast you can toggle an IO pin. The answer to this question depends on your line of thinking / what you will allow as an answer. So here is my take on performance optimization for its own sake. First of all there are pins PB6 and PB7 which are connected to the crystal. Since these pins can be used as IO pins (but only if running without cr ...

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Zeitfluss – Flow of Time

About this project Reasoning about time by printing onto the surface of a river Maybe you know situations when time's running up. In German there is a metaphor for that and translated it would be something like "time trickles away“. Having this saying in mind and thinking of how to 'imagine' time the following idea turned up: I would like to generate a situation, where people are able to let time pass by wi ...

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Arduino Astronomical Clock

This product allows you to set separate turn-on and turn-off times and those repeat every day. The disadvantage of this product is that, as the seasons change, you need to constantly adjust the turn-on and turn-off times. As illustrated in Figure 1, the variation over the year (in sunset time in this example) is very significant even at my Northern California latitude, with almost three hours difference bet ...

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Arduino HackHD Time-Lapse Dolly

Story This project was inspired by someone else who made an Arduino time-lapse dolly (suprise surprise). However that project was published some years back and I have lost the link to it. Of course time-lapse is not that exciting anymore but 5 years ago it was. The thing about this specific project that really got my attention was the fact that the camera not only could slide horizontally but could rotate a ...

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Complete Digital Clock including Alarm and Motion Sensor

I have done several designs of digital clocks for Arduino using LEDs and LCD displays, but this one is more special because I added other features like alarm and motion sensor (PIR). Main features PIR (Presence Infrared Sensor) RTC (real-time clock) Alarm Temperature Humidity Water dew point Encoder to set the time and alarm Permanent memory for time and alarm data even when the power supply is off Main fun ...

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Alarm Clock

Story After designing the "Clock Set Date Time" and hearing the suggestion of ArduPic , I thought it would be a good idea and also useful, add a "wake-up alarm." A small change to the code and adding a few components: Here's "the Alarm Clock". Compared to the previous project, I added a buzzer Piezzo, a diode LED, a resistor of 220 ohms, a button and as said before, I listened to the suggestion of "ArduPic" ...

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Arduino GPS Clock

There are many GPS satellites around the Earth which are used to provide the exact location of any place. Along with the location coordinates (Latitude and Longitude), it also provide other data like time, date, altitude, direction tracking angle etc. We have already learned to read this GPS data from Satellite using Arduino. So we are going to make a GPS clock using the ‘Time and Date’ data from the GPS sa ...

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Hard Disk Clock (HDD Clock with Arduino Uno)

This is a fun project that can be done easily and also cheaply. In this instructable we will explain step by step how to make this beautiful POV clock. Used material: Arduino Uno, RTC modul, ULN 2003, IR diode and IR transistor (used like a sensor, more details in next steps) 4 pushbuttons (for controling the clock) TSOP4838 (allows us to control the clock with remote controler) Temperature sensor (DS18B20) ...

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Fun Hackable Speaker Timer

This is a fun speaker timer I made for some upcoming conferences.  It uses a 4-digit charlieplexed LED (pseudo 7-segment) display and is driven by a AVR ATMega328 or an Arduino.  It allows a default time to be set, can be paused, and will put out 5 Volts on several IO lines when 10, 5, 1, and 1 minutes are remaining.  This allows for some fun (say firing up a NERF rocket launcher as you get closer to quitti ...

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