I mentioned that I had problems with my node but it seems It wasn't a hardware issue at all. It wasn't my pi, It wasn't my hdd, heat, power adapter, usb hub, sd card or anything else. Running my node since yesterday without a problem.
It was the outdated raspbian img file from the tutorial and me being noob and lazy.
It was also a bit hard to follow stuff because reddit's layout is a pain in the ass.
Luckily the creator of that tutorial has an update.
http://pinode.weebly.com/bitcoin-segwit-with-display.htmlMy biggest advice is that you should start from step 1. Don't take any shortcuts like me. Do everything he says step by step.
I can only add 2 things to the tutorial above*;
1- Stop your node with this command when you need to;
bitcoin-cli -datadir=/home/pi/bitcoinData stop
2- Before you use the command
use
Other than those, that guide is perfect.
*I don't know if he added those when I write this message.
** They are added great!