
4
3. Interface functions
J1: Grove Interface, used for connecting to UART Interface of Arduino/Seeeduino.
J2, J3: Breakout connection for every pin of Xbee.
J4, J5: Bee sockets
U1: CJT1117 IC, Low dropout linear regulator. Used for power 3.3V for XBee modules.
U2, U3: SN74LVC1G125 IC, protects your XBee from 5V Signal, converting it to 3.3V.
RSSI indicator: XBee RX Signal Strength Indicator.
PWR LED: Power Indicator.
ASSOC indicator: Xbee Associated Indicator.
ON/SLEEP LED: XBee module Status Indicator.