A high contrast redstone wire, which is easy to observe and protects the eyes, is charged red and uncharged blue.
一个高对比度的红石线，利于观察护眼，充能红色，不充能蓝色。
<iframe width="560" height="315" src="https://www.youtube.com/embed/AWbM8jF01iI" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
<video controls src="https://storage.live.com/items/422547C35B31E9DD!2903:/bluewire.mp4
?authkey=ANauAeRrkeiUhd4
" ></video>
