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BBC Micro Bit Board V1.5

₹2,499.00 ₹ 2117.8 + 381.2 GST
Out of stock
SKU
PRO4446

1-7 Days Express Delivery in India Available

The micro bit is based on the Arm-Mbed platform. It has an application processor with lots of on-chip peripherals. Some off-chip peripherals are connected to this chip. it is the interface processor's job to manage communications over the USB and to support the drag-and-drop code-flashing process

The micro bit is based on the Arm-Mbed platform. It has an application processor with lots of on-chip peripherals. Some off-chip peripherals are connected to this chip. There is an interface processor connected to the application processor, and it is the interface processor's job to manage communications over the USB and to support the drag-and-drop code-flashing process. The interface processor does not connect to any of the micro-bit peripherals.

The nRF51 application processor is where user programs run. A single, complete application including user code, runtime code, and Bluetooth stack is loaded and run directly from on-chip flash memory. All user-accessible GPIO pins are provided by this processor. There is an onboard 2.4GHz radio engine used to provide Bluetooth capabilities via an off-chip aerial.

The onboard 2.4GHz transceiver supports Bluetooth communications via the Nordic S110 SoftDevice, which provides a fully qualified Bluetooth low-energy stack. This allows the micro bit to communicate with a wide range of Bluetooth devices, including smartphones and tablets.

The onboard 2.4GHz transceiver supports a number of other radio communications standards, including the proprietary Nordic Gazell protocol. This protocol provides a very simple small-packet broadcast radio interface between other devices that support this proprietary protocol, such as other micro-bit devices. The ‘radio’ interface that appears in a number of languages on the micro bit is built on top of this Gazell protocol. Additionally, the micro-bit runtime software adds a ‘group code’ to each data payload, allowing for simple user-managed device addressing and filtering to take place.

The two buttons on the front of the micro-bit, and the 1 button on the back, are tact momentary push to make buttons. The back button is connected to the KL26 interface processor and to the nRF51 processor for system reset purposes. This means that the application will reset regardless of if it is powered by USB or from the battery.

Applications:

  • Computer peripherals and I/O devices
         Mouse
         Keyboard  
         Multi-touch trackpad
  • Interactive entertainment devices
         Remote control
         Gaming controller
  • Beacons
  • Personal Area Networks
          Health/fitness sensor and monitor devices
          Medical devices
          Key-fobs + wristwatches
  • Remote control toys

Package Includes:
1 X BBC Micro Bit Board V1.5

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Technical Details

Specifications:

  • Model: Nordic nRF51822-QFAA-R rev 3
  • Core variant: Arm Cortex-M0 32-bit processor
  • Flash ROM: 256KB
  • RAM: 16KB
  • Speed: 16MHz
  • Debug: SWD, jlink/OB
  • Stack: Bluetooth 4.1 with Bluetooth low energy
  • Band: 2.4GHz ISM (Industrial, Scientific, and Medical) 2.4GHz..2.41GHz
  • Channels: 50 2MHz channels, only 40 used (0 to 39), 3 advertising channels (37,38,39)
  • Sensitivity: -93dBm in Bluetooth low energy mode
  • Tx Power: -20dBM to 4dBm in 4 dB steps
  • Role: GAP Peripheral
  • Congestion avoidance: Adaptive Frequency Hopping
  • Protocol: Micro-bit Radio
  • Freq band: 2.4GHz
  • Channel rate: 1Mbps or 2Mbps
  • Encryption: None
  • Channels: 101 (0..100)
  • Group codes: 255
  • Tx power: Eight user-configurable settings from 0(-30dbm) to 7 (+4dbm)
  • Payload size: 32 (standard) 255 (if reconfigured)
  • Type: 2 tactile user buttons, 1 tactile system button
  • Debounce: (A & B) software debounced, 54ms period
  • Pullup: (A & B) external 4K7, (System) 10K
  • Sensing range: -25C .. 75C
  • Resolution: 0.25C steps
  • Accuracy: +/-4C (uncalibrated)
  • Operating range: 1.8V .. 3.6V
  • USB Current: 120mA max
  • Onboard Peripherals budget: 30mA
  • Battery connector: JST X2B-PH-SM4-TB
  • Battery current: TBC
  • Max current provided via edge connector: 90mA
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  • Guranteed Delivery Time: 1-7 days within India under Express Shipping

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Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in

We offer specialized services for Bulk, Wholesale & B2B Customers like discounted prices, additional shipping options, customised products, etc . Customer with large quantity & regular orders qualify for the specialised discounted rates.

We also offer dedicated sales team to assist you with the order process by providing sales quotations, PI, technical support for choosing products, etc.

Note: Business Orders are processed manually and usually take 1-3 days  to process compared to placing the order directly on our website. Please plan your purchases accordingly.

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