Quantity   Component name
4 × 1n4007 Discrete Semiconductors / Diodes and Rectifiers
1 × 220 microfarad,25 v capacitor Smoothing capacitor
10 × Piezo elements The elements which create the power
1 × Esp-01 The core microcontroller in the project,for loading maps
1 × AMS 1117(3.3v regulator) For giving appropriate voltage for the ESP-01
1 × 4v Rechargeable battery