Thursday, June 11, 2020

Flashing LED = Hello World!


Programmers are familiar with "Hello World!" For a young programmer, the first program often displays the this familiar text when ran. The equivalent for physical computing, is getting an LED to flash...


I followed the tutorial guide from Freenove to accomplish this. The guide can be downloaded from their site.


The assets for this included the Raspberry Pi 4 starter kit, Freenove Ultimate Starter Kit for Raspberry Pi, monitor, keyboard, and mouse.







This process involved setting up the components with the breadboard, and using terminal to download codes, access directories, run code, as well as compiling code (with Geany). Python and C programming languages were both used and tested... The most challenging part of this process was updating "wiringPi" and checking that it matched up with the GPIO pins. More on this cam be found at https://projects.drogon.net/raspberry-pi/wiringpi/pins/

Since I followed the tutorial and it is accessible via the link, I will not post the details of the steps here... However, here are a few screen images from my process.










Sources:
Freenove Ultimate Starter Kit for Raspberry Pi Download Resources:
http://freenove.com/tutorial.html

CanaKit, Raspberry Pi 4 Starter Kit
https://www.canakit.com/raspberry-pi-4-starter-kit.html


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