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    1. Technologies
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    8-Bit Micro Goes Cellular

    Aug. 23, 2022
    Microchip's Clifford Swartz presents the 8-bit AVR microcontroller with cellular connectivity.
    Related To: Electronic Design

    Check out more Sensors Converge coverage. 

    Even 8-bit microcontrollers can be cellular node. Microchip's Clifford Swartz shows off an 8-bit AVR microcontroller platform with cellular connectivity. The EV70N78A AVR IoT-Cellular Mini evaluation module is based around an AVR128DB48 AVR 8-bit microcontroller (see figure). The module also includes an ATECC608B CryptoAuthentication device.

    Microchip Technology
    The EV70N78A AVR IoT-Cellular Mini evaluation module hosts an AVR128DB48 AVR 8-bit microcontroller along with an ATECC608B CryptoAuthentication device plus a serial flash chip.
    The EV70N78A AVR IoT-Cellular Mini evaluation module hosts an AVR128DB48 AVR 8-bit microcontroller along with an ATECC608B CryptoAuthentication device plus a serial flash chip.

    Wireless connectivity is provided by a Sequans Monarch 2 GM02S cellular module that works in conjunction with the SIM card from Truphone, which has 150-MB data ready for activation. It requires a connection to a LTE-M-capable cellular network. The system uses the ATECC608B to authenticate the hardware with the cloud via a unique identifier on the board.

    Developers can use a range of tools, including those for Arduino platforms. 

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    About the Author

    William G. Wong | Senior Content Director - Electronic Design and Microwaves & RF

    I am Editor of Electronic Design focusing on embedded, software, and systems. As Senior Content Director, I also manage Microwaves & RF and I work with a great team of editors to provide engineers, programmers, developers and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.

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    I earned a Bachelor of Electrical Engineering at the Georgia Institute of Technology and a Masters in Computer Science from Rutgers University. I still do a bit of programming using everything from C and C++ to Rust and Ada/SPARK. I do a bit of PHP programming for Drupal websites. I have posted a few Drupal modules.  

    I still get a hand on software and electronic hardware. Some of this can be found on our Kit Close-Up video series. You can also see me on many of our TechXchange Talk videos. I am interested in a range of projects from robotics to artificial intelligence. 

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