Recommended for 3018 CNC
A mini wifi board with 4MB flash...
40 Pin 1x40 Single Row Male 2.54 Breakable Pin Header Connector Strip
2.1mm DC Power Connector for Arduino. These are 2.1mm DC connectors that are compatible with both the Arduino Uno or the Mega Uno
40 Pin 1x40 Single Row Male 2.54mm Breakable Pin Header Right Angle Connector Strip
Gold Plated. 40 Pin 1x40 Single Row Female 2.54 Breakable Pin Header Connector Strip
Package included: 1 Male Connector and 1 Female Connector