←All workCase study 09
Turning footsteps into stored electricity, and measuring every one.
- Role
- Hardware & firmware
- Year
- 2025
- Type
- Team of 3
- Status
- Working prototype
Overview
3
Engineers
Live
Step & energy readout
ESP32
Controller
2025
Built
01
Piezoelectric elements under a floor tile turn the pressure of each footstep into a small electrical charge, which is rectified and stored. An ESP32 monitors the system in real time and shows step count, output voltage and the total energy generated on an LCD.
What’s inside
- Piezo energy harvesting
- Step counting
- Live voltage & energy
- LCD readout
Built with
- ESP32
- Piezoelectric sensors
- Embedded C/C++
- LCD

Next project
Electronica →
A free electronics school in 30-second reels — and the engine that makes them.