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Overview and Capabilities of Opensensor: Spec, Functionality, and Interface Details

The Opensensor is a versatile device leveraging the Microchip dsPIC30F3013 processor with 16-bit architecture. It features multiple functionalities, including timers, digital and analog ports, UART, and SPI interfaces. The sensor supports easy debugging and communication through RS232 and Bluetooth interfaces. Its low power consumption and various operational modes make it ideal for environmental measurements and third-party system control. Detailed specifications include 24KB of program memory, 20 I/O pins, and various output power settings for seamless integration into home control systems.

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Overview and Capabilities of Opensensor: Spec, Functionality, and Interface Details

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  1. opensensor Part 4Opensensor details

  2. overview Opensensor specification Opensensor functionality • Timer • Digital/analog ports • UART • SPI - nRF Opensensor interfaces • Serial interface • Opensensor debug and test • SPI (nRF905) interface • Bluetooth interface (next time)

  3. opensensor details • Opensensor specification • Microchip dsPIC30f3013 processor • 16 bit architecture • C compiler optimized instruction set • 24KB program memory • 2KB RAM • 20 I/O pins • 2 UART interfaces • SPI interface • Timers 3 x 16-bit 1 x 32-bit • Red and Green LED • Low power consumption

  4. opensensor details • Timers canbeused for • Timing • Timeouts • Sleepfunctions • Pulse-width modulation PWM • Etc. • Digital analog ports • Most ports can be configured to either input or output • Measurements of environmental conditions • Controller for third party systems e.g. home control systems

  5. opensensor details • UART • Standard RS232 interface • Bluetooth interface

  6. opensensor details • Open sensor interfaces • Serial interface for wired connection with a PC • Easy debugging while programming • Implements command interface for the opensensor • Can be accessed via a terminal program e.g. Hyper Terminal, Cutecom etc. • Program is provided on the website as well as instructions on how to use it

  7. opensensor details • SPI – nRF905 • Operating frequencies: 433/868 or 915MHz • Gaussian frequency shift keying • Power settings • Output power: -10dBm, -2dBm, 6dBm or 10dBm • RX reduced power mode -85dBm • Carrier detect • Address match • Auto retransmit

  8. opensensor details • Opensensor interfaces • SPI interface with the nRF905 chip to establish communication between more opensonsers • MAC protocol can be implemented • Low power consumption and cost

  9. contact

  10. publication • F.H.P. Fitzek and F. Reichert. Mobile Phone Programming and its Application to Wireless Networking. 2007. Springer.

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