12V 3010 Cooling Fan for 3D Printer 5V 0.2A 3010 Raspberry Pi Cooling Fan 8 Channel Isolated 5V 10A

8 Channel Isolated 5V 10A Relay Module with Opto Coupler For Arduino PIC AVR DSP ARM

There are slots on the edge of the holder to combine them into many different sizes and shapes of the battery pack

What devices can I connect to this controller

CNC Router / Milling Machine: Pair with NEMA 23 motors and a GRBL or Mach3 controller for precise X-Y-Z axis control in wood

Holybro PDB Board

12V 3010 Cooling Fan for 3D Printer 5V 0.2A 3010 Raspberry Pi Cooling Fan 8 Channel Isolated 5V 10A12V 3010 Cooling Fan for 3D Printer 12V 3010 Cooling Fan for 3D Printer This is a miniature size exhaust cooling fan. This fan is as small as your palm. Its working voltage is 12V DC. It can work with a simple 12V battery without any difficulty. This mini fan has the ability to run at a speed of 6800 ~ 13000 rpm. The body of the fan is built from a combination of resin and plastic material. The combination provides strength and insulation to the fan.