Biometrics technology is rapidly progressing and offers attractive opportunities. In recent years, biometric authentication has grown in popularity as a means of personal identification in ATM authentication systems. The prominent biometric methods that may be used for authentication include fingerprint, palmprint, handprint, face recognition, speech recognition, dental and eye biometrics. In t...

This paper describes the Lattice Harp, a new musical instrument which functions simultaneously as an acoustic instrument and a hardware controller. The Lattice Harp consists of two overlaid, perpendicular planes of strings which are electrically connected to a microcontroller. The microcontroller detects when two strings are touching and treats this data as a button being pressed. Furthermore, ...

This paper presents a possible solution for the difficult balancing act between abstraction and controllability developers face when designing a complex autonomous system. The problem can be tackled by creating dedicated microcontroller based I/O-systems for achieving controllability of sensors and actors. Abstraction is provided by the use of a C++ software framework which hides the communicat...

Through our project we are showing the control of constant temperature according to the desired value (set point) in a closed loop using PID controller system. For this, we are using a microcontroller, a temperature sensor for sensing the temperature of the closed loops. By using the microcontroller we compare the desired value with current value and it is displayed in the LCD. Also to provide ...

Accounting for all possible short circuits in a direct current circuit can prove to be an arduous process. To avoid unintended operation and circuit damage, short circuit protection may be implemented via hardware or software. This paper views the short circuit detection problem as a hardware-software codesign problem in which an inductor installed in a DC circuit is designed alongside a microc...

According to the needs of the security operation taxi, a kind of vehicle monitoring terminal device which takes C8051F040 microcontroller as the core, combining GPS, GPRS and LCD was proposed. This device will show the superiority of C8051F040 microcontroller, which is high-speed, low-power, and has rich interface. Through the application of GPS, LCD, and the GPRS module which communicate with ...

This paper explains the design of the PICBIT RRS Scheme system which specifically targets the PIC microcontroller family. The PIC is a popular inexpensive single-chip microcontroller for very compact embedded systems that has a ROM on the chip and a very small RAM. The main challenge is fitting the Scheme heap in only 2 kilobytes of RAM while still allowing useful applications to be run. PICBIT...

Security is one of the most concerning factor in bank vault system. Without proper and strong security a vault can be penetrated. Most of the systems are based on human supportive security protocol. The main purpose of this paper is to construct a microcontroller based automated system which can give instant protection against any break-in by hackers or against physical penetration and send war...

High-speed microcontrollers are widely used in portable equipment. With the proper use of a power management mode, the designer can optimize the life of batteries used in today's new systems. This application note looks at ways to reduce power consumption by choosing efficient clock source and clock speed, the use of stop mode, idle mode and burst mode. The Maxim High-Speed Microcontroller and ...