uxcell a13121300ux0338 2.1 mmx5.5 mm DC Power Jack Socket Threaded Female Connector 3 Piece

HobbyKing HXT900 Micro Servo 1.6kg / 0.12sec / 9g

uxcell 10 Pcs Black Round Button SPST On/Off Rocker Switch AC 125V/12A 250VAC/10A

WINGONEER TCS230 TCS3200 Detector Module GY-31 Color Recognition Sensor for Arduino

SMAKN® Color Sensor Color Recognition Module TCS230 TCS3200

Uxcell a16031500ux1704 DC-099 Female 5.5 x 2.5 mm Panel Mounting DC Power Jack Socket Connector (Pack of 5)

SIM&NAT Male DC 2.1mm x 5.5mm Wire Power Pigtails Adapter Barrel Plug Socket Cables for CCTV Security Camera, DVR, Car Rearview Monitor System Video, LED Strip Light, Surveillance (20 inch / 50 cm)

Elegoo EL-CB-003 MEGA 2560 R3 Board ATmega2560 ATMEGA16U2 + USB Cable for Arduino

Conwork 10-Pack 5.5mm x 2.1mm Male DC Power Plug Jack Solder Connector Adapter

Hosa ACD-477 Universal Power Adaptor with DC Output up to 12V

ARDUINO MEGA 2560 REV3 [A000067]