AI Overview
The BBC micro:bit uses a
Nordic Semiconductor system-on-chip (SoC) as its main CPU, with the original version (V1) using the nRF51822 (ARM Cortex-M0) and the newer V2 featuring a more powerful nRF52833 (ARM Cortex-M4) for faster processing and Bluetooth 5.0. Both versions also have a separate NXP interface chip handling communication and other tasks.
Key CPU Details by Version: