2 Pcs 2.1 x 5.5mm DC Plug 9V Battery Holder w Cover (for 1x 9V Battery)

100 x 2N2222 NPN TO-92 Plastic-Encapsulate Power Transistors 75V 600mA

TIP122 100V 5A Power Transistor for General Purpose Amplifier 1 Pack

50pcs x 10mm Round Diffused LED Light 2pin 10mm Diffused LED 9k MCD White

Chanzon 100pcs (10 colors x 10pcs) 5mm Light Emitting Diode LED Lamp Assorted Kit for Arduino Warm White Red Yellow Green Blue Orange UV Pink Lights

Teenitor Top Quality 15pcs LM317T Adjustable 2.2-37V LM317 Voltage Regulator

Digital Multimeter, Crenova MS8233D Auto-Ranging Digital Multimeters Electronic Measuring Instrument AC Voltage Detector Portable Amp / Ohm / Volt Test Meter Multi Tester w/ Diode and Continuity Test Scanners Home Use Electronic DIY Hand Tools with Backlight LCD Display

Elenco Solid Hook-Up Wire Kit 6 Colors in a dispenser box # WK-106

5pack 9v Battery Clip with 2.1mm X 5.5mm Male DC Plug for Arduino by Corpco

Vktech 5Pcs Black Brushless DC Cooling Blower Fan 5015S 5V 0.1-0.3A 50x15mm

Arduino Uno R3 Microcontroller A000066