Tag: 8051 example

8051 Circuits, 8051 Projects 8051 sample code 8051 applications

8051 ADC0808 Lcd Display Voltmeter

| 2008/10/05

ADC converter Structure: Most of the physical quantities in the outside world are analog values. For example, heat, temperature, weight, humidity, light intensity, sound intensity, etc. They always change analogously. To provide connections of digital systems with the outside world; The measured physical quantities must be converted into numerical values that the digital system can…

8051 Calculator Circuit

| 2008/10/04

8051 Calculator Circuit Operation As seen at half one has to use the keypad and an LCD with 8051. The keypad consists of rows and columns. When the button is pressed certain keys combined treatment. Pressing 1, column 1 for example is 1.sat nanny and 1-5 should be combined. More than one button in a…

AT89S52 LCD Display Stepper Motor Control Example

| 2008/10/04

AT89S52 Stepper Motor Control Stepper motor, the motor angular position is changing in steps. This engine is moving into specific steps, according to the windings is controlled by sending signals. Any stimulus that would make my motor movement, the pitch angle is determined. According to the structure of the pitch angle of engine usually 1,…

AT89C51 Keypad Controlled Scrolling LED Dot Matrix Text

| 2008/10/03

AT89C51 Scrolling LED Circuit Operation: Keypad’t the values ​​entered the program through is continually monitored, “*” key is pressed unless the display of the first letter that section required all letters appear, but the desired letter or number after it is written “*” key is pressed, the entered character sequence element is recognized as a…

AT89C51 LCD display Frequencymeter Project

| 2008/10/03

Frequency in all matters relating to the definition based on frequency is required. In the same way the numeric (digital) Frequency frequency to do the same as the description of the circuit should be implemented. Frequency: 1 frequency is called the number of periods per second. Period: a wave of complete rotations made ​​to peryotlu…

AT89C51 5X7 LED Matrix Application

| 2008/10/02

Circuit Operation: This practice of over 5 × 7 matrix LED A… Z characters are intended to be created. Provision of characters in source code LEDs (table) was created and when necessary with the help of a function is called. Matrix to be considered a major concern in LED applications, a character created seem to…

8051 PS2 Keyboard with LCD Writing Text

| 2008/08/23

An application that performs text printing to the LCD via a microcontroller from a keyboard using the PS/2 protocol. The purpose here is to print text from the keyboard to the Text LCD via the microcontroller. Thanks to the microcontroller inside the keyboard, a code is generated for each key pressed. This code, which is…

AT89C51 Animated BMP Graphic LCD Display

| 2008/08/18

AT89C51 microcontroller controlled Animated BMP project usnig Graphic LCD Display 128×64 project keil source code and proteus isis simulation schematic files Graphic LCD Animated BMP Schematic The CPU performs the data flow and data processing tasks between the different units of the computer. Most of the data processing is done in the arithmetic logic unit…

AT89C51 Microcontroller Analog Clock for Graphic LCD

| 2008/08/18

Analog Clock GLCD We use 128×64 pixel graphical LCD having “HY-12864K” is. This adds the file extension of the LCD connections are provided in PDF. 128 × 64 graphic LCD s have the same general structure. Differences spending power connection types and LED colors. Graphic LCDs are managed as two frames (64 × 64) and…

AT89C51 Square Wave Signal Generator

| 2008/06/07

Signal generator test is often the recipients of the amplifiers used in the test and repair of this equipment. Used as the signal source. Wave detector, radio frequency used in places such as bridges. Integrated signal generator, the steady operation, because of the cost is low and it is preferable to be mixed. Attractions signal…