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SparkFun LiPower盾
原名
SparkFun LiPower Shield
貨號
DEV-13158
特價
988
資料來源：https://www.sparkfun.com/products/13158
Is there anything an Arduino can’t do? Well, for one, most of them can’t be powered directly from a 3.7V LiPo battery; much less charge and monitor that battery. The SparkFun LiPower Shield takes care of this by combining the functionality of two of our favorite battery power boards: the Power Cell and the Fuel Gauge.
The LiPower Shield allows you to connect a 3.7V single cell Lithium polymer battery which it will boost up to 5V and connect to the Arduino board’s 5V pin. The on-board MAX17043G+U IC is connected to the I2C lines (A4 and A5) so that your project can monitor it’s own power supply. The configurable alert interrupt pin on the MAX17043G+U IC is broken out to D2 which will activate when the LiPo gets to 32% or lower.
The charging circuit is configured to charge the LiPo at 100mA but by adding a resistor to the supplied through-holes you can boost this to 500mA. There is a mini-USB port on the shield which allows you to charge the battery from a USB power source or you can supply a separate regulated 5V source on the “charge” header.
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有什麼一個Arduino不能做？嗯，一，大多數人不能直接從3.7V鋰聚合物電池供電;更充電和監控電池。在動力電池和燃料計：在SparkFun LiPower盾通過結合我們的兩個最喜歡的電池電源板的功能，需要照顧這一點。
該LiPower盾可以讓您連接3.7V單節鋰聚合物電池，其將提高到5V和連接到Arduino板的5V引腳。板上MAX17043G + U集成電路被連接到I 2 C線（A4和A5）以便項目可監視它自己的電源。在MAX17043G + U IC的配置警報中斷引腳突破至D2時鋰聚合物到達32％或更低，這將激活。
充電電路被配置成在100mA的鋰聚合物充電而是通過增加一個電阻提供的通孔可以提高此為500mA。有哪些可以讓你從一個USB電源為電池充電，也可以在“充電”頭提供一個獨立的穩壓5V電源盾一個迷你USB接口。
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