translation.en: But now we need to remember that the data is encoded in subtle changes of the brightness of the LED, so if the incoming light fluctuates, so does the energy harvested from the solar cell.
translation.zh: 但我们知道 数据是由LED亮度的微妙变化来编码的 所以如果入射的光有波动 那么太阳能电池收集的能量也有波动