Using these terminal blocks is a breeze. First, pick the right wire gauge from 20 - 30AWG, either solid or stranded. Then, you can use a screwdriver to adjust the terminal blocks as needed. Next, solder them on the top or bottom of your Feather board. That's it! As for maintenance, keep an eye on the soldering points. If you notice any loose connections, just resolder them. When adjusting with a screwdriver, be gentle to avoid damaging the blocks. And remember, the Feather board itself is not included with these terminal blocks.