Gravity: IO Expansion Shield for Arduino
Gravity: IO Expansion Shield for Arduino ( Schematic )is introduced to the market the famous color code for sensors and actuators. The 3 pin format for Signal, Voltage, and Ground is extremely useful, especially if used altogether with our increasingly large range of modules, sensors, and devices that just fit.

Specification
- Input Voltage
- 7-12V, PWR_IN
- 4.8-6V, SERVO_PWR, depending on your servo
- Compatible module voltage: 5V/3.3V
- Support interface: I2C, SPI, Xbee (Xbee pro), Bluetooth, APC220
Features
- 3.3V/5V operating voltage select
- Switch for wireless communication & programme
- More Easily recognitive interfaces
- Colorful header for illustrating digital or analog pins
- Immersion gold surface