The MOD-ZIGBEE-PIR features an MRF24J40 transceiver connected to a Microchip PIC18F26K20 MCU that is pre-loaded with an open-source MiWi and Zigbee stack. When the PIR motion detector senses motion, the MRF24J40 sends a wireless alarm to Zigbee nodes. This board can be added easily to any microcontroller system that has a UEXT connector (see below). 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. Wireless Motion Detector Alarm Module Features - MRF24J40 + PIC18F26K20 with open-source MiWi and Zigbee stack
- PIR sensor motion detector sends wireless alarm to Zigbee nodes when motion is detected
- RF Transceiver — MRF24J40 IEEE 802.15.4 Standard compliant 2.4 GHz RF transceiver
- UEXT connector (see below)
- 6-pin mini ICSP connector
 - On-board antenna
- On-board temperature sensor — TCN75A
- Option for external power supply through EXT_PWR
- Holders for two 1.5V AA batteries
- EXT/BAT switch
- Reset circuit with button
- Two user buttons
- Two status LEDs
- 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 that can connect to this module via UEXT using the supplied cable. Click on the architectures below for lists of compatible boards: Wireless Motion Detector Alarm Module Resources
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