1The core chip is a military-grade electronic component with strong anti-interference ability and stable and reliable performance. 2It can maintain stable operation under the harsh electromagnetic interference environment, such as: plasma cutting machine, electric welding machine, industrial CNC milling machine, etc. 3The product has undergone rigorous exit test and can be stably operated in a strong electromagnetic interference environment for a long time. 4Suitable for a variety of stepper motor, servo motor drive control. 5Powered by a 5V DC power supply.