Great for people loving making electronics; A product for Arduino that works with official Arduino boards. <br /><br />Size: 5.8 * 5.5 * 2 cm <br />Color: Red + Black + Blue + Green<br /><br />Description: <br />14-IO ports (12 servo ports) and power port<br />6-analog IO port<br />One digital port<br />Can be shifted between digital external power port and on-board power<br />With one external power input socket and one input pin<br />RS485 port <br />With reset button<br />xbee / Bluetooth Bee bluetooth wireless data port <br />APC220 / Bluetooh V3 port<br />IIC / I2C / TWI output port<br />3.3V ouput port <br />SD card module port <br /><br />1 x FR4 Bluetooth Sensor Expansion Board Module<br /><img src="http://img6.eachbuyer.com/x9/p100/eb3810_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3810_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3810_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3810_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3810_5.jpg" />