Using this 10 - segment white LED light bar graph display is easy. First, find a suitable breadboard. The 20 pins on the display, with 0.1' spacing, can fit neatly into the breadboard holes. Make sure to leave enough space for wiring. When powering it on, you'll get a beautiful, glowing white linear display. As for the tutorials, if you're dealing with a multiplexed display, refer to the matrix tutorials for guidance. For maintenance, keep it away from extreme temperatures and physical impacts. If you notice any damage to the LEDs or the plastic body, it might be time to replace the display. Also, make sure the power supply is stable to avoid any flickering or malfunction.