The DFRobot module is fully compatible with Arduino Leonardo. It has 20 digital inputs/outputs, 7 PWM channels, 12 analog inputs and popular communication interfaces. Additional slot allows you to directly attach XBee module, the colored connectors help you to identify the leads.
Xboard is a board compatible with Arduino, has an Ethernet port, slot for XBee modules and Atmega328 microcontroller known from version Uno. The device can be programmed via the Arduino IDE using an FTDI converter.
The Arduino module is based on Arduino Atmega328P, compatible with software Funnel. It has 32 kB of Flash memory, 2 kB of RAM, 14 digital of I/os, 6 of which can be used as PWM channels, 6 analog inputs, communication interfaces, battery connector li-pol, built in charger and socket for the XBee module.
XBee Explorer is an easy to use board with the RS232 serial bus for the XBee module. The board works with all the XBee modules from series 1 and series 2.5, and Standard and Pro version. The board also supports DTR communication so you can reprogram and configure the XBee.
The stand is primarily designed for Bee series modules, based on the ATMega 328. Also compatible with modules RFBee, wifi Bee, Xbee and Bluetooth Bee. There are two on-Board Grove connectors. Powered via lithium battery or USB connector. The module is also equipped with a system battery chargers, Li-Ion.