Moving Electronics
about how to connect the raspberry and power without the usb https://thepihut.com/blogs/raspberry-pi-tutorials/how-do-i-power-my-raspberry-pi
about the AWG and connectors https://www.dronetrest.com/t/wires-connectors-and-current-what-you-need-to-know-as-a-drone-builder/1342
about wire https://www.dronetrest.com/t/wires-connectors-and-current-what-you-need-to-know-as-a-drone-builder/1342
about PID https://3daddict.com/pid-tune-3d-printer/
marlin guide: http://3daddict.com/beginner-guide-marlin-printer-firmware/