-rw-r--r-- 4m Embedded GPIO (General Purpose Input / Output)
GPIO stands for general purpose input/output. It is a type of pin found on an integrated circuit that does not have a specific function.
gpio
root@amaltsev >:~/blog$ grep -l "gpio" -r ~/blog
1 post on gpio.
root@amaltsev >:~/blog$ grep -l "gpio" -r ~/blog
mode date min topic name
~/blog: 1 match
root@amaltsev >:~/blog$ cd ~/blog && ls -la
The whole directory is one click away. Every post, filed by subject.