Features: Fully compatible with Arduino 2560-r3. USB to serial 16 U2, flexible; can achieve high speed transmission and equipment renaming by modifying firmware; and the device can be re-named. 7-25V wide input voltage. Compared with most products on the market (frequently burned and easily fever even at 12V), no longer use a separate 1117 LDO for power supply, provides much higher stability. 3D printers’ perfect partner.