Alternatively, the board includes power input for salvagedpower supplies or laboratory power supplies. Very commonXbee socket for multipurposewireless connectivitysuch as RF, wireless, Bluetooth.ط¢آ
The new version includes a voltage hardware setting through a jumper to allow compatibility with a bigger range of components at 3.3v likeRaspberry pi, Due, and others.
It also includes aServo external power, with a protectivediode. This way you can enable a large range of servos from your Arduino.
The latest version features a convenient switch that lets you program your ATmega328 boards likeUNO, while you have another Serial device connected like an Xbee. Switch it, program it, and get it back up and running with another switch. You don't need to disassemble your hardware or wiring.
A LED on top board and a reset button is in order to make it just a natural extension toArduino boards. The LED is connected to pin 13.