22pf  Variable Capacitor

 223pf Duplex Radio Variable Capacitor

6x6x12mm Tactile Push Button Switch Black  

Nextion NX4024T032 3.2 Inch display Man-machine Interface HMI Touch Screen

tip41c NPN transistor

e10 bulb 2.5v 0.3a with bulb holder

ARDUINO YUN REV 2 ABX00020 ATmega32U4 Development Board

ARDUINO UNO WiFi REV2

mini micro sd card reader module

GY- SGP30 AIR QUALITY GAS SENSOR TVOC ECO2 CARBON DIOXIDE MEASUREMENT FORMALDEHYDE MODULE

"GPS NEO-6M Satellite Positioning Module Development Board for STM32 usb 51 neo6m（with Battery

3v battery CR2450 Panasonic AFPX-BATT FP-X series PLC