The idea behind having a business run smoothly is to ensure that customer service is at the top of the list. The problem is that many businesses especially those that are new or is growing fast, does not have the manpower to ensure that everything can be completed in a smooth operation. One of the industries that is now going even faster are call centers due to the various services they can provide to allow businesses to carry on other aspects of their business. Continue reading
These days, everywhere you look people are on their phones. We are the Smartphone Generation. So many people use their phones for communication, entertainment, home management, business connections and more that those who don’t have a cell phone are often looked at as though they are stuck in the Dark Ages.
For those of us who are never without our phones, however, they go beyond their functional purposes. They are a part of our identities. They are an opportunity for an expression of personal style. No one wants to have the same phone that everyone else on the block has. That’s where companies who specialize in add-ons for your phone come in. These accessories can take a straight-of-the-box phone and make it one of a kind. There’s an accessory for every phone, for every statement you might want to make. Continue reading
In this project, the user can ask the ball a yes/no based question and the ball will display the answer in form of a sphere which is achieved using persistence of vision. The sphere display has been created by spinning semi-circle shaped LEDs around a central motor shaft. The rotational speed of the LED’s is fast enough such that the human eye perceives a two dimensional image. The software part of the project basically calculates the refresh rates of the LED so it seems like a 2D figure.
There are 19 LEDs consisting of the semi-circle and the entire display area is mapped to a 19 by 90 matrix where each element in the matrix represents a pixel. The device is powered by a ATMEGA128p connected to Led subsystem and the mic circuit. Whenever the Atmega detects an end of the question, the sphere displays a randomly generated yes/no as an answer to the question. Another feature about our device is that the LED array can generate quite bright light, people can see the display without having to turn off the light. A project which can be made to amuse people in your free time and also to learn the concept of persistence of vision.
This project is for the people who faces difficulty in waking up early in the morning or have the habit of snoozing the alarm. In short, this alarm clock runs away from the user as he tries to snooze his alarm. The whole unit is mounted on a chassis with caterpillar-style wheels driven by two small DC motors. The runaway feature is implemented using a proximity sensor which is placed near the snooze button. It has all the features of a “regular” alarm clock: settable time and alarm, snooze, and alarm on/off.
The project is divided into four levels namely the clock feature with display. The alarm feature motion control and proximity detection. The alarm tone is generated using a 555 timer while a real timer kernel is implemented on the Atmega MCU to run each of these tasks independently and simultaneously on the microcontroller. The display is built out of seven segment LED’s running on the principle of persistence of vision. The accuracy of the clock is pretty good, and the speed of the bot can be raised up to 10m/s. The source code of the project is available on the project website along with the necessary libraries.