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WiSense wireless mesh node

WiSense wireless mesh node


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WiSense wireless mesh node- Version 1
WiSense wireless mesh node- Version 2

This is a low profile, low power WiSense wireless mesh node. It includes the CC1101 sub­ghz radio (from TI) and the MSP430G2955 microcontroller (from TI).
The radio board has a U.FL antenna connector.The module consists of two PCBs. One PCB hosts the microcontroller while the other hosts the CC1101 radio.
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Microcontroller PCB​ :

→ MSP430G2955 – Ultra low power microcontroller from TI
→ SPI/GPIO interface to the radio module
→ UART/I2C/SPI/1­wire/GPIO interface to sensors
→ On board serial (I2C) EEPROM (AT24MAC602) with hardwired and globally unique 48 bit and 64 bit addresses.
→ 2 LEDs
→ 2 2×7 headers which expose most of the MSP430G2955 pins.

Radio PCB​ :

→ CC1101 – Low­cost sub­1 GHz transceiver designed for very low ­power wireless applications.
→ Supported frequency bands – 300 – ­348 MHz, 387 – ­464 MHz, 779 ­- 928 MHz
→ Programmed by WiSense stack to operate in the 865 – ­867 MHz license free band in India
→ Operating voltage: 1.8 V – 3.6 V
→ Modulation: 2­FSK, 4­FSK, GFSK, and MSK supported as well as OOK and flexible ASK shaping
→ Programmable output power up to +10 dBm for all supported frequencies

→ Microcontroller PCB with Radio PCB mounted