8979| 71
|
X1LED手电筒 |
| ||
| ||
点评
请问是哪一个网址,我还想买几个
| ||
| ||
| ||
| ||
| ||
点评
充电电路至电池顺向加二极管,以防倒灌,想法是对的,但由其正向压降的非线性(并非一定值) ,则充电终极电压难以精准控制。
| ||
| ||
| ||
GMT+8, 2024-5-3 02:17 , Processed in 0.594913 second(s), 24 queries .
Powered by Discuz! X3.1
© 2001-2013 Comsenz Inc.