PSU DC-DC Boost Converter - 0.9 to 5V

12mm x 12mm Button Cap 1 Each

49Inline DC-DC Buck Converter Step Down 4.75V-24V to 1V-17V 1.8A(max < 1 minute) 1.2Amp Constant current.

180pcs M3 Nylon Spacers Screws Nuts Hexagon Studs Box Kit

Colour: Black

Lithium Battery Charger with Integrated 2A Adjustable Step Up Output Boost supply

403mm LED white light emitting diode, 5 LEDs per pack

Working current: 20 (mA)

Working voltage: 1.7V-2.1V

USB 1.1- 2.0 Type B ( Square Downstream ) Connector to Pin Conveter 

High Sensitivity Microphone Sensor Module