MOD-ZIGBEE-UEXT is basically the same as the MOD-ZIGBEE module, only with an added UEXT expansion connector which allows it to become a simple plug-in add-on peripheral to existing systems (see below). The board features an 8-bit PIC18F26K20 processor running an open-source MiWi/Zigbee stack, connected to an MRF24J40 802.15.4-compatible 2.4GHz radio module. In addition, the module has an on-board digital temperature sensor for remote temperature reporting. Should you need or want to re-program the on-board PIC18F26K20 microcontroller, the board has a six-pin mini ICSP connector. An inexpensive programming option would be the PIC-KIT3 plus the PIC-Mini-ICD-6 adapter. ZigBee Transceiver Add-on Module Features - CPU: PIC18F26K20
- RF Transceiver: MRF24J40 IEEE 802.15.4 Standard compliant 2.4 GHz RF transceiver
- UEXT connector (see below)
- Mini-ICSP connector
- On-board antenna
- On-board temperature sensor — TCN75A
- Option for external power supply through EXT_PWR
- +3V coin-cell lithium battery holder (battery not included)
 - EXT/BAT switch
- Reset circuit
- Two user buttons
- Two status LEDs
- RST button
- PCB: FR-4, 1.00 mm (0.039"), solder mask, silkscreen component print
- Dimensions: 70 × 20 mm (2.76 × 0.80")
UEXT Connector The UEXT connector provides a solderless way to connect this module to a system with a microcontroller. There are dozens of microcontroller systems and development boards with UEXT headers that this module can plug into. Click on the architectures below for lists of compatible boards: ZigBee Transceiver Add-on Module Resources
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