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如何利用电话线来取电,可以用在应急的情况下,如断电等情况,也可以用来发动你的低压设备,如LED灯等
1。240ohm resistor2。510ohm resistor3。 LM317L Regulator4。KBP210 Bridge Rectifier5。Phone line cables
posted on 2007-10-14 17:46 LabVIEW开发者 阅读(1233) 评论(0) 编辑 收藏
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