Spark Core Microcontroller with WiFi Rev. 1.0

Spark Core Microcontroller with WiFi Rev. 1.0

Spark Core Microcontroller with WiFi Rev. 1.0
Adafruit Industries | A-000000-01496
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If you’re hooked on the Internet of Things, the Spark Core Microcontroller with a WiFi antenna is for you. It is “the” programming platform that electronics enthusiasts wanting to easily overcome the little problems posed by this type of creation have been waiting for.
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Spark Core Microcontroller with WiFi Rev. 1.0: the Internet of Things within grasp at last!

The Spark Core project was born of a desire to provide the electronics mavens that we are with an ideal environment for creating and programming more and more connected devices. And it’s thanks to a Kickstarter crowdfunding project that the Spark Core Microcontroller could actually be manufactured.

The Spark Core is a WiFi software development kit comprising an ARM 32-bit Cortex™-M3 Microcontroller and a Texas Instruments WiFi Chipset. The kit also contains a USB cable and a medium-sized breadboard, as well as a pretty Spark Core sticker (you now belong to the club!). The microcontroller is extremely small, so you can incorporate it absolutely anywhere.

With your 2127 Spark Core Microcontroller, you can also download an Android or iPhone application providing access to a cloud via your phone. The Spark Core cloud is an Internet platform allowing you to receive and send data without passing through a local network (with all the complexity this involves).

Getting started with your Spark Core Microcontroller with WiFi Antenna Rev. 1.0

You will find all the information you need to start your first project on the Spark Core website (connecting the microcontroller and connecting to the cloud).

We should first point out that, despite what Spark Core says, its microcontroller is not Arduino-compatible. Some programs created in Arduino may work with your microcontroller, but this is above all an Arduino-like programming environment.

When discovering your microcontroller and the many programming opportunities and creations it offers, you’ll discover quite an open and broad shared environment providing access to many projects on which to work. The world of the Internet of Things is ideal for stimulating your imagination as a designer. There are all sorts of possibilities, including connected clothing and jewellery, or alarms and sensors controlled via WiFi. Join the Spark community (a sort of forum grouping together all user information and requests), and you’ll never be short of ideas!

Technical specifications of the Spark Core Microcontroller with WiFi Antenna Rev. 1.0


  • ARM 32-bit Cortex™-M3 CPU Core
  • Operating frequency: 72 MHz, 1.25 DMIPS/MHz (Dhrystone 2.1)
  • Flash memory: 128 kB
  • SRAM : 20KB
  • 12-bit ADC (0-4095 values)
  • USB 2.0 full-speed interface
  • Interface: USART, SPI and I2C
  • JTAG Debug mode
  • Dimensions: 37 x 20 x 6 mm
  • Weight: 6 g

Module Wifi :

  • Texas Instruments WiFi Chipset (TI CC3000)
  • 802.11 b/g compatible
  • Radio performance:
    • TX transmission power: +18.0 dBm @ 11 Mbps, CCK
    • RX reception sensitivity: -88 dBm, 8% PER, 11 Mbps
    • Operating temperature: -20 °C to 70 °C
    • WiFi encryption and authentication:
      • WEP
      • WPA Personal
      • WPA2 Personal
    • SPI host interface

Resources for the Spark Core Microcontroller Rev. 1.0

To find out a little more about your new Spark Core Microcontroller, we recommend that you visit the developer’s website:

ARM 32-bit Cortex™-M3 CPU Core microcontroller’s user guide

ARM 32-bit Cortex™-M3 CPU Core microcontroller’s user guide

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