USB Type B Female to 2.54mm DIP

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

Double AAA 1.5V Battery Holder Case

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...

GT2 6mm Belt Idler Pulley 20Teeth available in Black anodizing. 5mm bore (Bearing insert)

Styrene Based Filament from Fil-X

This complete set includes the power socket with switch (Does not include wires)

0.9-5V To 5V DC-DC Step-Up Power Module Voltage Boost...

3 - PIN JST XH type connector 2.54mm pin spacing with 10cm Wire AWG24