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Articles by George John
Page 63 of 79
How to check android mobile supports HUMIDITY sensor?
This example demonstrate about How to check android mobile supports HUMIDITY sensorStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code, we have taken a text view to show HUMIDITY sensor information.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.SuppressLint; import android.content.Context; import android.hardware.Sensor; import android.hardware.SensorManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView ...
Read MoreHow to Go back to previous activity in android
If you wants to go back from one activity to another activity, This example demonstrate about how to go back to previous activity in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code, we have given text view, when the user click on text view, it will open new activity.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import ...
Read MoreProgram for simulation of throwing a die in 8085 Microprocessor
Write an 8085 assembly language program to simulate the throw of a die using an interrupt.We have a counter for this program, which counts the ranges from 1 to 6, and again repeats the sequence of count in a matter which is endless in an infinite loop. The die throwing getting the head and tail probability gets simulated by pressing the key ‘Vect Intr’ on the keyboard. The branching of 8085 branches to RST7.5 ISS. Here, the current value of the counter gets is displayed in the data field, which controls and returns to the main program for the continuation ...
Read MoreHow to check android mobile supports LIGHT sensor?
This example demonstrate about How to check android mobile supports LIGHT sensorStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code, we have taken a text view to show LIGHT sensor information.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.SuppressLint; import android.content.Context; import android.hardware.Sensor; import android.hardware.SensorManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView ...
Read MoreProgram for adding 2 numbers input from keyboard in 8085 Microprocessor
We write an 8085 assembly language program of two input using two 2-digit hexadecimal numbers from the keyboard and then we add and the output results in the address field.FILE NAME ADD2NUM.ASM ORG C000H CURAD: EQU FFF7H UPDAD: EQU 06BCH CLEAR: EQU 044AH GTHEX: EQU 052FH MVI A, 0EH SIM EI ; Unmask RST5.5 and enable interrupts MVI B, 01 CALL GTHEX ; Input a 2 digit number and display in data field MOV A, E STA C100H ; Store the 2-digit hex number in C100H MVI B, 01 CALL GTHEX ; Input a 2 digit number and display in ...
Read MoreUpdating a MySQL column that contains dot (.) in its name?
If the MySQL column contains dot (.) in its name, then you need to use backticks around the column name. To understand the above concept, let us create a table. The query to create a table is as followsmysql> create table UpdateDemo -> ( -> UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> `User.FirstName.LastName` varchar(60) -> ); Query OK, 0 rows affected (0.54 sec)Insert some records in the table using insert command.The query is as followsmysql> insert into UpdateDemo(`User.FirstName.LastName`) values('John Smith'); Query OK, 1 row affected (0.14 sec) mysql> insert into UpdateDemo(`User.FirstName.LastName`) values('Adam Smith'); Query OK, ...
Read MoreDisplay interface using serial transfer in 8085 Microprocessor
In this module we have explained the complete interface of four numbers segmented into seven parts having the Light Emitting Diode which uses a serial data transfer scheme. The portion which is displayed of the interface has 4 LEDS comprises of 7-segments LEDs as we can see from the physical layout of the interface. The connection to the interface is done by the ALS-8085 kit which uses a flat table of 26 crores. We connect the connector C1 to the interface to the Input Output connector P3 on the ALS kit. There is a power supply of of +5 V ...
Read MoreHow to check current wifi supports 5 GHz band support in android?
This example demonstrate about How to check current wifi supports 5 GHz band support in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In the above code, we have taken a text view to show about wifi.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.net.wifi.WifiManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView textView; ...
Read MoreOpcode Fetch (OF) machine cycle in 8085 Microprocessor
The OF machine cycle are constituted by the four clock cycles shown in the figure below. Here in these four clock cycles we execute opcode fetch, decode, and complete the execution. Moreover, in the instructions of 2- and 3-byte, and also in the instructions of 1 byte like ‘MOV B, M’, only OF and decode operations gets completed in these four cycles of the clock. Hence opcode fetch is consisted by the OF machine cycle and for performing the decode operation, and in some rare cases execution. For performing some typical instructions like DCX B, the six states are provided ...
Read MoreI/O Read (IOR) machine cycle in 8085 Microprocessor
The three clock cycles at the last stages in the IN 35H instruction is an example of machine cycle for IOR. The Waveforms for the IOR machine cycle are shown in the figure below.The point to be noted that in an IOR machine cycle, Wand Z has identical has port address of 8 bit. The value of 16 bit in the register pair WZ are sent out as the address in an Input Output Read machine cycle. Also the point to be noted that in an IOR machine cycle, only the data is received by the accumulator from the addressed ...
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