Arduino UNO Prototyping Shield Digital temperature controller a 2-pin terminal block and

a 2-pin terminal block and a jumper are used to connect external power

The 4 ESC's need to be soldered to the bottom PCB (bigger in size)

15A CPU fan

spooled and ready-to-use for 3D Printing

offering flexible networking capabilities and peripheral interfaces to build mobile robots quickly and affordably

Arduino UNO Prototyping Shield Digital temperature controller a 2-pin terminal block andUNO Prototyping Shield for Arduino UNO Prototype Shield is used in the cases where you want to build more applications without using any external Breadboard. This prototyping shield for Arduino helps in expanding the functionalities of UNO board and create extra connections for embedded system projects.