家多选用廉价的外接适配器。
12V到芯片用的3.3V/1.8V电源都需要DC/DC Swithcning Regulator,效率高体积小的成本就高,所以厂
本帖于 2015-06-18 23:05:00 时间, 由普通用户 US_CAR. 编辑
家多选用廉价的外接适配器。
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