Weewooday Direct Current Converter 12v to 5v 3a 15w Buck Converter Module, Reduced Voltage Regulator Car Power Output Power Adapter, Wire Interface(1 Piece)

Direct Current Converter 12V to 5V 3A 15W Buck Converter Module, Reduced Voltage Regulator Car Power Converter Output Power Adapter, Wire Interface (1 Piece)

12V to 5V DC Converter Car Power Voltage, Waterproof DC 6.3-22V 12V Step Down to DC 5V 3A 15W Voltage Regulator Buck Converter Power Supply Step-Down Module Compatible with Vehicle Car Truck Volt

DROK Signal Generator, DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator