Wireless Radio Module Chip45 iDwaRF-168

iDwaRF-168 - Programmable 2.4GHz Radio Module with AVR ATmega168.

Detailed Description

The programmable wireless radio module iDwaRF-168 combines a Cypress 2.4GHz DSSS radio transceiver with an Atmel AVR ATmega168 microcontroller.

In combination with the free iDwaRF-Net firmware a powerfull and expandable platform for custom specific wireless application is available.

Chip45: iDwaRF-168

Firmware

The freely available iDwaRF-Net firmware provides the complete functionality for a wireless, star-like N:1 sensor network. The wireless protocol is completely encapsulated, for data transmission and communication between host (e.g. PC) and iDwaRF hub a simple serial ASCII protocol is implemented. Additional user functions can be easily embedded into the sensor firmware and simple data structures are used for communication. Several example allications, e.g. covering the onboard components of the iDwaRF-NodeBoard or a wireless chat via terminal programms, can easily be adapted to own applications.

Technical Data

  • Cypress CYWUSB6935 DSSS radio transceiver (WirelessUSB-LR)
  • non-licensed ISM band (2.4GHz - 2.483GHz), can be used world wide
  • -95dBm receiver sensitivity, 0dBm output power
  • seperate transmit and receive antennas integrated in the PCB
  • range +50m
  • data rate up to 62.5kBit/s
  • bidirectional, Module can both send and receive
  • Atmel AVR ATmega168 microcontroller
  • free N:1 wireless network software as C-library for hub and sensors
  • 8 IO pins configurable out of UART, I2C, SPI, ADC, PWM, digital IOs
  • supply voltage range 2.7V - 3.6V
  • sleep current ~10µA
  • 1×14pin header with IO signals (2.54mm / 0.1" pitch)
  • size 25×30mm

iDwaRF-168 Schematic diagram

Other Names:

IDWARF168, IDWARF 168

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