tip41c NPN transistor

e10 bulb 2.5v 0.3a with bulb holder

ARDUINO YUN REV 2 ABX00020 ATmega32U4 Development Board

ARDUINO UNO WiFi REV2

smd 1w led bulb cold white with heatsink

5A 12Volt PWM Solar Charge Controller

Arduino DUE 2013 (ARM 32 BIT- Cortex M3)

mini micro sd card reader module

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

arduino leonardo r3 atmega32u4

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

Ublox GPS NEO-8M GPS module GY- NEO8MV2 (with Battery)