DFRobot Gravity RS485 IO Expansion Shield - Shield for Arduino

Shield forArduino, which extends the pins of theI/O. It has, i.a. led out each pin with a pair of VCC and GND. Separate connectors allow you to easily connectthe modules of the SD card, APC220 radio modules,Bluetooth,servosand RS485 and dedicated slot forXBee moduleprovides a simple installation of the wireless communication system. Thanks tothe switch, the user can change the operating mode on theXBee, RS485 or Downloadso you can upload the Arduino programwithout removing the modules from the boards. Additionally, the V6 version has support for interfaceURM04 and the pin R3 of the Arduino.

• The user has the option of switching the modeof operation for XBee, RS485 or Download
• For each digital and analog pin led out was pair: GND and VCC
• Socket forXBee moduleprovides an easy installation of a wireless communication system
• Switch TTL/RS485
• Separate connector of the I2C and SPI interface so you can easily connect, for example,a reader for the memory card
• Led out RESET button allows you to restartthe Arduinoat any time
• The manufacturer has installedLEDsin combination with pin 13 of Arduino
• Screw connector PWR allows for attachment of power of any cable
• It works with:Arduino Uno, Leonardo, Mega and Due

• The website of the manufacturer DFRobot DFR0265
• Wiki page with source code
• Tutorial of programming the ESP8266
• Diagram of the module