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Connect your Simple keypad to the Arduino 2,3,4,5,6,7,8,9 pins (Digital IO)
more details at http://computeraidedautomation.com
Compile and Upload the arduino-keypad.ino to your Arduino board
Connect Arduino to the USB port.
Press the keys on the keypad to read it in VB Textbox
Visual Basic Com port data logger - Arduino and Vb
Using Arduino and Visual Basic to select the connected port dynamically and transfer the data from one of the sensors (here Ultrasonic Distance Sensor) connected to Arduino to the computer via connected port.
more details : http://computeraidedautomation.com
Download arduino_vb.ino and ArduinoVB.NET Datalogger.zip files open your arduino compiler and compile arduino code from arduino_vb.ino
Extract zip file and install setup.exe
Connect Ultrasonic distance sensor's Echo pin & Trigg pin to Digital pin7 and Digital pin 8 of your Arduino
Connect arduino to your PC and Run the program