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Keyestudio BBC Micro bit V2.0 Built-In Speaker &Microphone for Micro:bit STEM

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  • Description
  • Reviews

Micro: bit is an ARM-based microcontroller designed by BBC. Consisting of onboard Bluetooth, accelerometer, electronic compass, three buttons, 5 x 5 LED dot matrix, it is only half the size of credit card and mainly used for programming education for teenagers. In order to carry it conveniently, we put a micro: bit control board and two manuals in storage bag. The storage bag is light and beautiful.




ØWorking voltage: 3.3V

ØPower supply voltage: 3-3.3V

ØMicro USB program burning/power supply port: 5V

ØPH2.0 power interface: 3-3.3V

ØAlligator clip interface: 3-3.3V

ØDetection range: 0-3.3V

ØProcessor: Arm Cortex-M4 32 bit processor with FPU

ØWorking temperature: 0-85℃

ØMicro USB program burning/power supply port

ØPH2.0 3V power supply port

Ø4mm alligator clip interface*5

ØGold finger interface*20

ØProduct size: 43*52mm

ØWeight: 9.6g


3. Features


ØSupport PXT graphical programming interface developed by Microsoft

ØSupport Windows, macos, iOS and Android system

ØThe programming environment is based on WEB services, no need to download additional compilers

ØBurn and simulate program via USB on PC terminal

ØBurn and simulate program via Bluetooth

ØSupport multiple communication programming languages including javasript, python, mbed c.


4.On-board Resource


lApplication Processor:Nordic nRF52833,64MHz ARM Cortex-M4, 512KB Flash、128KB RAM

lBluetoothWireless Communication:Bluetooth 5.1 with Bluetooth Low Energy,2.4GHz ISM ,50 2MHz channels

lMicro:bit Radio:2.4GHz Freq band,1Mbps or 2Mbps Channel rate

lLSM303AGRthree-axis accelerator and magnetic sensor

lTemperature sensing:on-core NRF52,Sensing range:-40℃ ~ 105℃



2.Microphone:Knowles SPU0410LR5H-QB-7 MEMS,-38dB ±3dB @ 94dB SPL

3.25 Pcs red LEDs

4.Three mechanical buttons including two user buttons and a reset button

5.A touch logo

6.MicroUSB power-supply/download connector,power socket, edge connector,including SPI, PWM, I2C, support 17 pcs GPIO

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