Sparc Core–complete Wi-Fi enabled development platform

The Spark Core is a complete Wi-Fi enabled development platform that allows users to create connected devices with ease. The Core is code-compatible with Arduino, which means you can use your existing Arduino code with the Core with little or no modifications.*

The Core has a built-in Wi-Fi module, a powerful 32-bit ARM microcontroller and 2MB of FLASH memory. You don’t need any additional hardware to get started. The Spark Core offers Over-The-Air firmware updates via it’s web based IDE, allowing the user to remotely write and transfer code to the Core, as well as a REST API provided through Spark’s free cloud service, the Spark Cloud. All you need is a web browser and an internet connection.

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You have the option to buy a Core with a chip antenna or a Core with a u.FL connector.

Spark Core v1.0 uses the STM32F103CB – ARM 32-bit Cortex M3 based – microcontroller for its brain power. 

Some of its key features are as follows:

  • ARM 32-bit Cortex™-M3 CPU Core
  • 72Mhz operating frequency, 1.25 DMIPS/MHz (Dhrystone 2.1)
  • 128KB of Flash memory
  • 20KB of SRAM
  • 12 bit ADC
  • USB 2.0 full-speed interface
  • USART, SPI and I2C interfaces
  • JTAG Debug mode

Core v1.0 uses TI’s CC3000 module for the WiFi communications.

Some of the key features of the CC3000 module are as follows:

  • IEEE 802.11 b/g compliant
  • Radio Performance
    • TX power: +18.0 dBm at 11 Mbps, CCK
    • RX sensitivity: – 88 dBm, 8% PER, 11 Mbps
  • Operating temperature: – 20° C to 70° C
  • Wireless security subsystem
    • WEP
    • WPA Personal
    • WPA2 Personal
  • FCC, IC, and CE certified with a chip antenna
  • SPI host interface

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About Umesh Lokhande

Umesh Lokhande holds a Master degree in Scientific Instrumentation from University of Applied Sciences Jena, Germany. and has previously worked at Orbotech, Alere Technologies etc. Umesh is also a founder and first author of BINARYUPDATES.COM


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