SP485CN IO Expansion Board
SKU: DFR0219
The DFRobot IO Expansion Shield V6, evolving from V5, combines Xbee shield and IO expansion (V4) with SD card support for Arduino. It retains RS485, APC220, Bluetooth, and servo control. V6 adds colored pins (prevent reverse/incorrect insertion), full Arduino R3 support, auto half-duplex RS485, RS485 termination switch, URM04 interface, and serial switch (XBee/RS485/Download) to avoid conflicts. Compatible with Arduino UNO, Duemilanov, Mega 1280/2560.
