5 PCS IRFZ44N IRFZ44NPBF N-Channel Field-Effect Power Transitor 55V 49A RoHS Compliant TO-220

TXINLEI 250mW 650nm Red Dot Laser Module, DC 3-5V Focal Adjustable Laser Head with Heatsink for DIY Laser Engraver Machine

McIgIcM Transistor Kit, BC337 BC327 2N2222 2N2907 2N3904 2N3906 S8050 S8550 A1015 C1815 Assortment, 10 Values, 200Pcs

Texas Instruments NE555P IC Single Precision Timer (Pack of 12)

(15 Pieces) MCIGICM IC 7805 Voltage Regulator, L7805 Linear Positive Fixed 1 Output 5V 1.5A

LAFVIN Nano V3.0, Nano Board ATmega328P 5V 16M Micro-Controller Board Compatible with Arduino IDE (Nano x 3 with USB Cable)

PoiLee 10pcs 7805 voltage regulator ic L7805 Voltage Regulator 5V 1.5A TO-220

MIC 1N4007 DO-41 Axial Silastic Guard Junction Standard Rectifier Diode (Pack of 20)

BIQU A4988 Compatible Stepper StepStick Motor Diver Module with Heat Sink for 3D Printer Controller Ramps 1.4(Pack of 5pcs)

ELEGOO for Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable)

Easycargo 10 Packs TO-220 Heatsink + Insulator/Mounting Kits for LM317 LM317t L7805 L7812 L78XX Voltage Regulator, IRFXX MOSFET Transistor (20mm x 15mm x 11mm)