hard20 pts · first answer countslow-powerhardware-debugging

Battery dies too fast

A sensor node should sleep at 5 uA but measures 400 uA in sleep mode. Which is the most likely cause to check first?

A.The firmware is written in C instead of assemblyB.Floating or wrongly configured GPIOs and peripherals left enabled, such as clocks, ADC or a debug probe connectionC.The flash is too largeD.The RTOS uses too many tasks

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Battery dies too fast

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