SMA Female PCB Mount (Gold/S Steel)

40-Way Square Gold Right Angled Double Row Pin Header 2.54mm for PCB.

Header is 40 way with easy break slots between the pins for...

Double Sided Copper Prototype PCB Circuit...

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

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

High Sensitivity Microphone Sensor Module

Single AA Battery Holder With Wires

Breadboard Power Supply Module 3.3V or 5V With USB out