- 主题:10米范围内给多个传感器节点无线供电有什么方案吗？
如题，毫瓦级功耗
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FROM 117.129.62.*
RFID
参考速通卡
The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman, the United States Ambassador to the Soviet Union, on August 4, 1945. Because it was passive, needing electromagnetic energy from an outside source to become energized and active, it is considered a predecessor of radio-frequency identification (RFID) technology.
【 在 yonghhu 的大作中提到: 】
: 如题，毫瓦级功耗
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修改:Qlala FROM 61.48.133.*
FROM 61.48.133.*
谢谢。速通卡是需要电池的吧？
【 在 Qlala 的大作中提到: 】
: RFID
: 参考速通卡
: The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman, the United States Ambassador to the Soviet Union, on August 4, 1945. Because it was passive, needing electromagnetic energy from an outside source to become energized and active, it is considered a predecessor of radio-frequency identification (RFID) technology.
: ...................
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FROM 106.37.205.*
速通卡需要
但不是所有的RFID都需要
【 在 yonghhu 的大作中提到: 】
: 谢谢。速通卡是需要电池的吧？
: tes Ambassador to the Soviet Union, on August 4, 1945. Because it was passive, needing electromagnetic energy from an outside source to become energized and active, it is considered a predecessor of radio-frequency identification (RFID) technology.
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FROM 61.48.133.*
同求，有这种解决方案吗？速通卡的卡侧不是有太阳能和电池吗
【 在 yonghhu 的大作中提到: 】
: 如题，毫瓦级功耗
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:
发自「今日水木 on ELE-AL00」
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FROM 120.244.221.*
有，无线取电
【 在 yonghhu 的大作中提到: 】
: 如题，毫瓦级功耗
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发自「今日水木 on V1934A」
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FROM 115.171.44.*
最靠谱的还是太阳能电池加锂电池储能
【 在 yonghhu 的大作中提到: 】
: 如题，毫瓦级功耗
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FROM 58.31.120.*