ESP32 WROOM Devkit:
https://www.amazon.com/dp/B08246MCL5

Neopixel Ring:
https://www.amazon.com/dp/B0DNMVQZWQ

OLED Display SH1106:
https://www.amazon.com/Hosyond-Display-Compatible-Arduino-Raspberry/dp/B0C3L54TL6

Buzzer:
https://www.amazon.com/HiLetgo-Integrated-Sounder-Speaker-Electromagnetic/dp/B09L4K1PMF

BS170 N-Channel MOSFET:
https://www.amazon.com/FAIRCHILD-SEMICONDUCTOR-BS170_D26Z-CHANNEL-MOSFET/dp/B00MMY1WTK

Button:
https://www.amazon.com/dp/B08DQVQPSS

DC-Jack:
https://www.amazon.com/dp/B07CTCLKPP

1N4001 Diode:
https://www.amazon.com/MCIGICM-Rectifier-Electronic-Silicon-Doorbell/dp/B071YWNBVM/

