{"title":"Gravity: IO Expansion Shield for Arduino V7.1","handle":"gravity-io-expansion-shield-for-arduino-v7-1","url":"/products/gravity-io-expansion-shield-for-arduino-v7-1","description":"The DFRobot Gravity IO Expansion Shield V7.1 simplifies Arduino prototyping by breaking out all digital and analogue pins into colour-coded 3-pin (Signal, Voltage, Ground) Gravity connectors. Plug in sensors, actuators, and modules directly — no soldering or breadboard wiring required.\n\nVersion 7.1 adds a 3.3 V/5 V voltage selection jumper for compatibility with boards like the Arduino Due and Raspberry Pi, an external servo power input with protective diode, and a convenient serial switch that lets you program your ATmega328-based boards (such as the Uno) without disconnecting XBee or other serial devices.\n\nKey Features\n\n\nColour-Coded Gravity Connectors – 3-pin headers for all digital and analogue pins, clearly labelled\n\n3.3 V / 5 V Selectable – Jumper-configurable operating voltage for broader board compatibility\n\nXBee Socket – On-board socket for XBee, Bluetooth, APC220, and other wireless modules\n\nSerial Programming Switch – Toggle between programming mode and serial device communication without rewiring\n\nExternal Servo Power – Dedicated servo power input (4.8–6 V) with protective diode\n\nExternal Power Input – PWR_IN terminal for 7–12 V power supplies\n\nOn-Board LED and Reset – LED on pin 13 and reset button for convenience\n\nImmersion Gold Finish – High-quality PCB surface for reliable connections\n\n\nSpecifications\n\n\nInput Voltage – 7–12 V (PWR_IN), 4.8–6 V (SERVO_PWR)\n\nModule Voltage – 3.3 V or 5 V (selectable)\n\nSupported Interfaces – I2C, SPI, XBee (XBee Pro), Bluetooth, APC220\n\nCompatible Boards – Arduino Uno, Mega, Due, Leonardo, and other standard-footprint boards\n\n\nIdeal For\n\nRapid robotics and IoT prototyping\nClassroom and workshop environments\nDFRobot Gravity sensor and actuator projects\nWireless communication with XBee or Bluetooth modules\n\n\nPackage Contents\n\n1× IO Expansion Shield for Arduino V7.1\n\n\nResources\n\nProduct Wiki\nSchematic (PDF)\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":11092,"title":"Default Title","sku":"DF-DFR0265","price":8.3,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":706,"option1":"Default Title"}]}