3.7v 4000mah lithium polymer battery  60*90*6 mm  

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

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  

2 inch 6 Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker

 raspberry pi 5 4gb  With a 64-bit quad-core Arm Cortex-A76 processor at 2.4GHz,  

2 Channel 5V Active Low Relay Module

BF350-3AA BF350 PRECISION RESISTIVE STRAIN GAUGE FOR PRESSURE SENSOR LOAD CELL  

1n34a germanium diode

Stepper Motor Driver TMC2208 MKS