3.7v 4000mah lithium polymer battery

Piezo electric Element buzzer 40mm (Vibration / Knock )  with Cable

Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language.  

560nF (564) 50V Leaded MLCC Ceramic Capacitor

33nf 50v ceramic capacitor 

33000pF / 33nF / 0.033uF 50 Volts Ceramic Disc Capacitor

us to Uk Plug  adapter Universal Power Plug Adapter, travel Plug Converter

3-36V 4A 144W Universal Power Supply 3V 5V 6V 9V 12V 15V 18V 20V 24V 30V 36V Adjustable Variable Switching AC/DC EU Plug adjustable power adaptor model number dmd 866

Raspberry Pi 5 27W USB-C Power Supply PD 5V 5A us type plug  psu white

The Raspberry Pi Case for Raspberry Pi 5 is a clip-together four-part enclosure with an active cooling fan. It keeps your Raspberry Pi 5 at a comfortable operating temperature even under heavy load.  

Ultrasonic Mist Maker Humidifier, 5V Atomization Disc 108KHz Mist Atomizer DIY Humidifier with PCB, DIY Mist Atomizer Micro USB Board Ultrasonic Atomization Module for Home  

irf9540 p channel power mosfet

irf510 n channel 100v power mosfet