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BBC Micro:bit V2, Upgraded Processor, Built-In Speaker And Microphone, Touch Sensitive Logo
ORIGINAL | V2 | |
---|---|---|
PROCESSOR | Nordic Semiconductor nRF51822 | Nordic Semiconductor nRF52833 |
MEMORY | 256KB Flash, 16KB RAM | 512KB Flash, 128KB RAM |
INTERFACE CHIP | NXP KL26Z, 16KB RAM | NXP KL27Z, 32KB RAM |
MICROPHONE | N/A | MEMS microphone and LED indicator |
SPEAKER | N/A | On board speaker |
TOUCH | N/A | Touch sensitive logo pin |
EDGE CONNECTOR | 25 pins, 3 dedicated GPIO, PWM, I2C, SPI and ext. power. 3 ring pins for connecting crocodile clips/banana plugs. | 25 pins, 4 dedicated GPIO, PWM, I2C, SPI and ext. power. 3 ring pins for connecting crocodile clips/banana plugs. Notched for easier connection |
I2C | Shared (mux) I2C bus | Dedicated I2C bus |
WIRELESS | 2.4GHz Radio/BLE Bluetooth 4.0 | 2.4GHz Radio/BLE Bluetooth 5.0 |
POWER | 5V via Micro USB port, 3V via edge connector or battery pack | 5V via Micro USB port, 3V via edge connector or battery pack LED Indicator, Power off (push and hold power button) |
CURRENT AVAILABLE | 90mA available for accessories | 200mA available for accessories |
MOTION SENSOR | ST LSM 303 | |
SOFTWARE | C++,Makecode,Python,Scratch | |
SIZE | 5cm(w) x 4cm(h) |
Sense And Response To Sound By The Microphone, Play Tones By The Speaker