This module has advanced quality...
This module has advanced quality timing chip control and accurate timing performance commonly used in car modification, control motor, light bulbs, LED lights, DC motors, micro-pumps, solenoid valves and other equipment.
Source 5V switching regulator 10A (50W)
17HS8401S Stepper Motor (1.7 A, 0.59 Nm)
1.75 mm, 1 kg PLA Filament For 3D Printer - Light Gold - Unwrapped
A6 GSM / GPRS Module Development Board (working, resealed)
144 pcs RGB LED (NEOPIXELS) WS2812B