发布时间:2025-01-30 02:36:10
第一点,确认并联一起的贴片LED灯是1种颜色(比如:红色),这样亮度肯定接近;
第二点,并联一起的贴片LED灯颜色不一样,因为每种颜色的额定电压有差异,可以查看规格书,明确每种点亮的额定电压;串联电阻在与其他颜色贴片LED灯并联。(注:电阻起限流分压作用,用(U=RI)计算);希望能帮道你。
农村自来水山里来的,水压上不去三楼,抽上三楼水塔就脏,怎么处理
2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10联想电脑拆主机图解是想拆主机箱前面电源键和重启键那块谢谢回答
2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10 2025-01-30 02:36:10