Share: Title:PCB打样价格从1000元到免费经历了什么？ Duration: 3:56 Plays: 7.2K views Published: 1 year ago Download MP3 Download MP4 Simillar Videos ▶️ 9:19 电源模块评测：2块钱和22块钱的电源模块有啥区别？design 12v To 5v Buck Converter #1：dc-dc Buck Converter Tested/reviewed 7.2K views • 3 years ago ▶️ 4:33 升压电路原理 | 5v电源如何上升到12v？ 7.2K views • 2 years ago ▶️ 9:04 不用变压器也能把220v交流电变为5v直流电？ 7.2K views • 2 years ago ▶️ 6:50 【知识】扔掉教科书 ，5 分钟带你入门 Mos 管 7.2K views • 3 years ago
