SQLite | Interact using JAVA | Raspberry Pi

This tutorial is an overview of interacting with SQLite database using JDBC connector running on Raspberry Pi. It's not about learning SQlite. I have tried to show briefly how it can be done.

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SQLite Getting STarted : http://goo.gl/UuQvzV

Java Application on Pi :  http://goo.gl/5zGGME

Arduino | Tutorial | 16x2 I2C LCD

Arduino | Tutorial | MCP23008 Interfacing

MCP23008 8 Pin Port Expander with I2C interface IC with Arduino. This enables to have more digital GPIO on Arduino or any other uc.

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Links:

MCp23008 Connection Diagram :  https://goo.gl/rLdO2k

Pins all HIGH Code  : https://goo.gl/cse7eL

Pins all LOW Code : https://goo.gl/Y9fMij

Pins all BLINK Code : https://goo.gl/vYCJJ0

Pins as INPUT Code : https://goo.gl/tZr0rL



Datasheet MCP23008 : http://goo.gl/KlIULy

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SQLite | Lightweight Database | Raspberry Pi

Autostart Applications | Raspberry Pi | crontab | rc.local & more

This tutorial demonstrates 4 different methods to run GUI/ Non-GUI based application when the Raspberry Pi boots up.

1. Crontab

2. rc.local

3. _file_.desktop

4. init.d folder

test.jar application used in the tutorial : https://goo.gl/tO4sWg

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Commands::

1. Crontab:

        $ sudo nano cronatb -e

Add the following lines

@reboot /usr/bin/java -jar /home/pi/Desktop/test.jar

2. rc.local

        $sudo nano /etc/rc.local

3. _file_.desktop

      Contents:. https://goo.gl/Zbe5uS

4.  init.d folder:

       $cd /etc/init.d

       $sudo nano app

                    app Contentes: https://goo.gl/GjDxiB

       $sudo chmod +x app

       $sudo rc-update.d app defaults

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Arduino | Tutorial | MCP23017 Interfacing

MCP23017 IC with Arduino. This enables to have more digital GPIO on Arduino or any other uc.

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Links:

MCP23017 Pin Diagram:  https://goo.gl/moQKfh

PORTA as Output : https://goo.gl/Q7tJPN

Blink PORTA Pins : https://goo.gl/8EnL4U

Serial Communication | JAVA | Raspberry Pi

Serial communication with PC/External Devices using UART pins. I have used Pi4J library with JAVA.
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Links:
Pi4J Project : http://goo.gl/yKxdoQ
Pi4J Library : http://goo.gl/Yfkk2P
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Programming Arduino got Portable | Raspberry Pi