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Prototype tested with USB power input (5V) from a laptop, and external dc input (6V) from a lab power supply. Charging current for the battery (3.7V/1100mAh LiPo) is programmed to about 500mA using ...
The 5.2V is safe for all 5V-powered electronics like Arduino ... up red when the voltage dips below 3.2V, optimized for LiPo/LiIon battery usage – Onboard 1000mA charge-rate ‘iOS’ data ...
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