by Tarun Agarwal 11 years ago Quiz Buzzer Circuit using 8051 Microcontroller and 555 Timer Quiz buzzer systems are mostly used in schools, colleges and also in live quiz competitions broadcasted via television. A Quiz buzzer allows any user to press the switch quickly in response to a question posed during competitions that are...
by Tarun Agarwal 11 years ago Understanding about the SPI Communication Protocol in Embedded Communication plays an essential role in the embedded system designing. Without going to the protocols, the peripheral expansion is highly complex and high-power consuming. The embedded system basically uses serial communication to communicate...
by Tarun Agarwal 11 years ago Advanced Microcontroller based Mini Projects The microcontroller is a small and self-contained computer on-chip that can be used to build several low-cost and less-complex projects. As the microcontroller based mini projects are of low cost and can be implemented in less period, most...
by Tarun Agarwal 11 years ago Touch Screens or Human Machine Interface (HMI) Monitoring System HMI stands for Human Machine Interface (HMI). A Human Machine Interface (HMI) is a software application that presents information to an operator or user about the state of a process, and to accept and implement the operators control instructions....
by Tarun Agarwal 11 years ago Printed Circuit Boards Designing Process Printed Circuit Board The most vital element in electronic circuits and equipment is the Printed Circuit Board (PCB). It is also possible to build an electronic circuit with breadboards and zero boards, but the method is a low level and...
by Tarun Agarwal 11 years ago ZigBee Technology Architecture and Its Applications In this present communication world, there are numerous high data rate communication standards that are available, but none of these meet the sensors’ and control devices’ communication standards. These high-data-rate communication...
by Tarun Agarwal 11 years ago Simple Water Level Controller Circuit with Microcontroller and Alarm Nowadays many houses store water in underground tanks and pump the water to the overhead tanks. At times, the water overflows from the overhead tank leading to wastage of water. To overcome this problem, a water-level indicator with an...
by Tarun Agarwal 11 years ago Basic Types of Three-Phase Motor Protection Systems and Operations Due to the robust construction and ease of control, three-phase asynchronous motors are widely preferred over many other motors for the AC motor-driven applications. This three-phase motor is accountable for larger load operations in several...
by Tarun Agarwal 11 years ago Latest Microcontroller based Robotics Projects for Engineering Students The term Robot was first introduced by a Czech playwright Karel Capek in the year 1920. The word robot is also used to describe an intelligent mechanical device. Robotics is one of the branches of technology and deals with designing, creation,...
by Tarun Agarwal 11 years ago Timers and Counters in 8051 Microcontroller and its Applications Many of the microcontroller applications require counting of external events such as frequency of the pulse trains and generation of precise internal time delays between computer actions. Both these tasks can be implemented by software...
