Tutorial

Timer 8051

The Timers in 8051 microcontroller:

Reset pin working(8051)

in 8051 pin number 9 is reset pin.it's an input pin upon applying a high pulse of two machine cycle, the control will reset(erase all register holding data) and set program counter to 00h

Dot matrix display

a dot matrix leds are arranged in definite format thus forming a matrix structure. you can make use it in producing any kind of symbol thus avoiding the limited use of seven segment.these display are available in many dimension, we'll study the structure of 5x7 dot matrix in this tutorial.

 

Stepper Motor

Stepper motor or a Step motoris a brushless, synchronous motor which divides a full rotation into number of steps. A stepper motor can be visualized as the digital version of the electric motor.  Unlike a conventional motor, whose rotor moves continuously, the rotor of a stepper motor move in discrete steps as commanded. The motor’s position can be commanded to move and hold at any position.

RF module(Transmitter-Receiver)

  

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