Abstract: This project is embedded system that allows the blind person to write the contents. The text is entered based on the ASCII values of each character. This system uses a matrix keypad and the UART for serial communication with the PC. The Parts This system makes use of a matrix keypad (4 X 4).… Read More »
Introduction A calling bell or doorbell is a signaling device typically placed near a door. The electric doorbell was invented by Joseph Henry in 1831. The doorbells can be wired or wireless. Aim: This switchless bell project aims to construct a very simple wired door bell that you can place on the door of your house. It rings automatically when… Read More »
Microcontroller Based Automatic Car Parking System : Abstract : Automatic car parking system is very good substitute for managing car parking area. Since in modern world, where space has become a very big problem and in the era of miniaturization it’s become a very crucial necessity to avoid the wastage of space in modern, big… Read More »