{"id":410,"date":"2013-04-14T22:23:39","date_gmt":"2013-04-15T02:23:39","guid":{"rendered":"http:\/\/blog.1oc.com\/?p=410"},"modified":"2013-04-14T22:46:06","modified_gmt":"2013-04-15T02:46:06","slug":"3rd-grade-science-project-aries-msp430-launchpad-msp-exp430g2","status":"publish","type":"post","link":"http:\/\/blog.1oc.com\/?p=410","title":{"rendered":"3rd grade Science Project ~ Aries ~ MSP430 LaunchPad (MSP-EXP430G2)"},"content":{"rendered":"<p>Rehearsing the presentation \ud83d\ude42<\/p>\n<p><iframe loading=\"lazy\" title=\"Flor - Science project  3rd grade\" width=\"584\" height=\"329\" src=\"https:\/\/www.youtube.com\/embed\/woBYWOYlNNs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>This is how we did it:<\/p>\n<p>First we tested the concept, just turning on and off several colored LEDs.<\/p>\n<p><a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.14-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-440\" alt=\"Photo 2013-04-13 02.57.14 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.14-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.14-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.14-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.14-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.10-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-439\" alt=\"Photo 2013-04-13 02.57.10 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.10-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.10-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.10-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.10-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.17-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-441\" alt=\"Photo 2013-04-13 02.57.17 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.17-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.17-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.17-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.17-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.21-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-442\" alt=\"Photo 2013-04-13 02.57.21 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.21-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.21-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.21-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.21-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Second, we connected the LEDs to the output of the MSP430 and played with the code to make some LEDs light up.<\/p>\n<p><a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.05-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-438\" alt=\"Photo 2013-04-13 02.57.05 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.05-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.05-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.05-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.57.05-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.57-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-437\" alt=\"Photo 2013-04-13 02.56.57 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.57-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.57-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.57-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.57-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>After we defined and fine tuned the code, we start soldering the LEDs to each resistor<\/p>\n<p><a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.54-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-436\" alt=\"Photo 2013-04-13 02.56.54 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.54-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.54-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.54-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.54-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.50-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-435\" alt=\"Photo 2013-04-13 02.56.50 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.50-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.50-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.50-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.50-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.45-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-434\" alt=\"Photo 2013-04-13 02.56.45 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.45-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.45-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.45-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.45-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.41-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-433\" alt=\"Photo 2013-04-13 02.56.41 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.41-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.41-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.41-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.41-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.37-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-432\" alt=\"Photo 2013-04-13 02.56.37 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.37-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.37-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.37-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.37-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Getting the following LED-Resistor pair.<\/p>\n<p><a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.23-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-430\" alt=\"Photo 2013-04-13 02.56.23 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.23-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.23-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.23-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.23-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Me print a picture of the constellation and glued to a cardboard, make holes for each star and plug and glue the LEDs on the board.<\/p>\n<p><a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.13-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-419\" alt=\"Photo 2013-04-13 02.38.13 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.13-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.13-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.13-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.13-PM-400x300.jpg 400w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.13-PM.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.30-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-431\" alt=\"Photo 2013-04-13 02.56.30 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.30-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.30-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.30-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.30-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.10-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-418\" alt=\"Photo 2013-04-13 02.38.10 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.10-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.10-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.10-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.10-PM-400x300.jpg 400w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.10-PM.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.08-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-427\" alt=\"Photo 2013-04-13 02.56.08 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.08-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.08-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.08-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.08-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.12-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-428\" alt=\"Photo 2013-04-13 02.56.12 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.12-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.12-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.12-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.56.12-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>We made some more soldering on the cable to plug it on the MSP430 board, along with a battery holder (2 AA battery for a total of 3V).<\/p>\n<p><a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.17-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-421\" alt=\"Photo 2013-04-13 02.38.17 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.17-PM-225x300.jpg\" width=\"225\" height=\"300\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.17-PM-225x300.jpg 225w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.17-PM-768x1024.jpg 768w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.17-PM.jpg 1536w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.49-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-424\" alt=\"Photo 2013-04-13 02.55.49 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.49-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.49-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.49-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.49-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.42-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-423\" alt=\"Photo 2013-04-13 02.55.42 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.42-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.42-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.42-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.42-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.56-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-425\" alt=\"Photo 2013-04-13 02.55.56 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.56-PM-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.56-PM-300x225.jpg 300w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.56-PM-1024x768.jpg 1024w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.55.56-PM-400x300.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.19-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-422\" alt=\"Photo 2013-04-13 02.38.19 PM\" src=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.19-PM-225x300.jpg\" width=\"225\" height=\"300\" srcset=\"http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.19-PM-225x300.jpg 225w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.19-PM-768x1024.jpg 768w, http:\/\/blog.1oc.com\/wp-content\/uploads\/2013\/04\/Photo-2013-04-13-02.38.19-PM.jpg 1536w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>And was ready to go.<\/p>\n<p>When you turn on-the battery pack, the program start blinking all the LEDs (to show that all are working), then you push the button once to turn them off, and afterward, just every time you push the button the corresponding star (following the paper presentation) start to blink.<\/p>\n<p>&nbsp;<\/p>\n<p>And here&#8217;s the CODE:<\/p>\n<p><em id=\"__mceDel\">\/\/***************************************************************************************<br \/>\n\/\/ MSP430 Blink LED \/ Start Stop Blinking with Button Interrupt<br \/>\n\/\/<br \/>\n\/\/ Description; We connected 6 outputs to the external LEDS<br \/>\n\/\/ don&#8217;t forget to remove the jumpers for the internal LEDs<\/em><\/p>\n<p><em id=\"__mceDel\"> \/\/***************************************************************************************<br \/>\n#include &lt;msp430g2231.h&gt;<br \/>\n#define LED_0 BIT0<br \/>\n#define LED_1 BIT1<br \/>\n#define LED_2 BIT2<br \/>\n#define BUTTON BIT3<br \/>\n#define LED_4 BIT4<br \/>\n#define LED_5 BIT5<br \/>\n#define LED_6 BIT6<br \/>\n#define LED_OUT P1OUT<br \/>\n#define LED_DIR P1DIR<\/em><\/p>\n<p>\/\/ Global Variables<br \/>\nunsigned int blink = 0;<br \/>\nunsigned int star = 0;<br \/>\nunsigned char leds = 0x0;<\/p>\n<p>void main(void)<br \/>\n{<br \/>\nWDTCTL = WDTPW + WDTHOLD; \/\/ Stop watchdog timer<br \/>\nLED_DIR = 0x0;<br \/>\nLED_DIR |= (LED_0 + LED_1+ LED_2+ LED_4+ LED_5+ LED_6);<br \/>\nleds = 0x0;<br \/>\n\/\/ it boots with all leds blinking<br \/>\nleds = (LED_0 + LED_1+ LED_2+ LED_4+ LED_5+ LED_6);<br \/>\nLED_OUT = leds;<br \/>\nP1IE |= BUTTON;<\/p>\n<p>__enable_interrupt();<\/p>\n<p>for (;;)<br \/>\n{<\/p>\n<p>LED_OUT ^= leds; \/\/ toggle leds<br \/>\n__delay_cycles(100000); \/\/ SW Delay of 10000 cycles at 1Mhz<\/p>\n<p>}<\/p>\n<p>}<\/p>\n<p>\/\/ Port 1 interrupt service routine<br \/>\n#pragma vector=PORT1_VECTOR<br \/>\n__interrupt void Port_1(void)<br \/>\n{<\/p>\n<p>P1IFG &amp;= ~BUTTON; \/\/ P1.3 IFG cleared<\/p>\n<p>switch (star)<br \/>\n{<br \/>\ncase 1:<br \/>\nleds = LED_0;<br \/>\nstar = 2;<br \/>\nLED_OUT = 0x0;<br \/>\nbreak;<br \/>\ncase 2:<br \/>\nleds = LED_1;<br \/>\nstar = 3;<br \/>\nLED_OUT = 0x0;<br \/>\nbreak;<br \/>\ncase 3:<br \/>\nleds = LED_2;<br \/>\nstar = 4;<br \/>\nLED_OUT = 0x0;<br \/>\nbreak;<br \/>\ncase 4:<br \/>\nleds = LED_4;<br \/>\nstar = 5;<br \/>\nLED_OUT = 0x0;<br \/>\nbreak;<br \/>\ncase 5:<br \/>\nleds = LED_5;<br \/>\nstar = 6;<br \/>\nLED_OUT = 0x0;<br \/>\nbreak;<br \/>\ncase 6:<br \/>\nleds = LED_6;<br \/>\nstar = 0;<br \/>\nLED_OUT = 0x0;<br \/>\nbreak;<br \/>\ndefault:<br \/>\n\/\/ first interrupt, turn off all leds<br \/>\n\/\/ getting ready to start<br \/>\nleds = 0x0;<br \/>\n\/\/ next time it gets interrupted is going to<br \/>\n\/\/ turn on the first led<br \/>\nstar = 1;<br \/>\n\/\/ turn off all leds<br \/>\nLED_OUT = 0x0;<br \/>\nbreak;<br \/>\n}<br \/>\n}<\/p>\n<p>&nbsp;<\/p>\n<p>Thank you Texas Instrument for a grate learning tool<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rehearsing the presentation \ud83d\ude42 &nbsp; This is how we did it: First we tested the concept, just turning on and off several colored LEDs. &nbsp; Second, we connected the LEDs to the output of the MSP430 and played with the &hellip; <a href=\"http:\/\/blog.1oc.com\/?p=410\">Continue reading <span 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