The Raspberry Pi is a credit card sized single-board computer developed in the UK by the Raspberry Pi Foundation with the intention of stimulating the teaching of basic computer science in schools.
In short, Pi is an ARM-based mini computer which has a credit card size.
It's nothing new to control LEDs through Pi's GPIO, a lot of tutorials & resources are available on the Internet now. But I tried to do it myself too for the sake of testing the GPI output functionality.
First I want to remind the readers that I'm not a hardware guy so this article may contains some mistakes, and if you find that, please leave comments to tell me, thanks in advance.
【1】实验目的 / Experiment purpose
Write a simple program to control the GPIO on Pi to output high or low level to make the LED which connected to GPIO blink.