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Archive for June, 2009
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Using Javascript/ AJAX to post HTML form data
Posted on June 11, 2009 | No CommentsWhy would you need to do this? Well for instance if you were using 3rd party AJAX APIs and you wanted to capture the data from them perhaps, or maybe... -
Making a 9v Battery DC power supply
Posted on June 7, 2009 | 2 CommentsRather than use the USB to power my Arduino board with a handy trip to the electronics store with some more knowledgeable people than I, I have constructed a 9Volt... -
3 LED Crossfade with PWM and Arduino
Posted on June 6, 2009 | 1 CommentThis ones quite simple, just mix/ crossfade 3 separate LEDs using Phase Width Modulation (PWM) and Arduino. You will need 3 LEDs, I’m using a 5mm Red, Green and Blue... -
Controlling a Servo with Arduino
Posted on June 5, 2009 | 11 CommentsVery simple basics of building a circuit to control a servo using Arduino and PWM For this you will need: Arduino Board – I’m using a Duemilanova ATMEGA328 Arduino Sketch... -
Upload a File Using PHP
Posted on June 4, 2009 | No CommentsOk so you want to upload a file to your webspace. Easy enough you just need some sort of server-side language. In this case it’s PHP, this tutorial should work... -
LIMIT equivalent for Oracle
Posted on June 3, 2009 | 1 CommentSo you use MySQL etc… and you’re used to adding a LIMIT clause to your query for example, SELECT * FROM table WHERE name = ‘bob’ LIMIT 1 And now... -
Creating XML from PHP/ MySQL for use with SPRY
Posted on June 3, 2009 | 3 CommentsSo lets say for example you have a table in your database and you want to return some results, pretty easy with PHP/ MySQL and I dare say easy enough... -
Using SPRY to fetch values from a URL
Posted on June 3, 2009 | No CommentsAnd then filter an XML file based on the values passed from the URL. If you’re not aware, Adobe now has it’s own AJAX/Javascript library called SPRY for you to...