상황
A piezoelectric element embedded in a shoe generates AC voltage from foot strikes; a full-wave bridge rectifier converts it to DC, a storage capacitor smooths it, and a buck-boost converter regulates energy for LED lighting.
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01
Full-wave bridge rectifier for AC-DC conversion from the piezo element
02
Buck-boost switching stage to boost low piezo voltage to LED forward voltage
03
LED load with current-limiting resistor on the regulated output
Use for wearable energy harvesting systems where intermittent piezoelectric AC output must be rectified, stored, and boosted to drive low-power DC loads.