Footstep Piezo Power Generator Arduino Project

Footstep Based Piezo Energy Harvesting Arduino Science Project This footstep piezo power generator science project demonstrates how everyday pressure from walking or vehicles can be converted into usable electrical energy. Using piezo discs, harvested energy is rectified, stored in Li-ion batteries, and monitored by an Arduino Uno with a 16×2 I2C LCD. LED brightness varies with applied pressure, making it ideal for classroom demonstrations, exhibitions, and DIY learning. Specifications Piezo Sensors: 3 × 35mm prewired piezo discs Energy Storage: 2 × 18650 Li-ion cells (≈7.4V nominal) Controller: Arduino Uno R3 SMD Display: 16×2 LCD with I2C adapter Output Regulation: Regulated 5V for Arduino and peripherals Indicator: 5mm white LED with pressure-based brightness Switch: SPST rocker ON/OFF switch Mounting: 5mm PVC board for electronics
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