HLK-20M12 AC-DC 220V to 12V 20w Step-Down Power Supply Module Intelligent Household Switch Power Supply Module (2 PCS)

HI-Link HLK-20M12 AC-DC 220V to 12V 20w Step-Down Power Supply Module Intelligent Household Switch Power Supply Module (2 PCS)

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects

Smraza 104pcs Double Sided PCB Board Kit, Prototype Boards for DIY Soldering and Electronic Project Circuit Boards Compatible with Arduino Kits, 30PCS 40 Pin 2.54mm Male and Female Header Connector