The first microcontroller board of Raspberry Pi is Raspberry Pi Pico that specially designed for physical computing. Raspberry Pi Pico is built using RP2040 that features a dual-core Arm Cortex-M0+ processor with 264KB internal RAM and support for up to 16MB of off-chip Flash. It is a tiny, fast, and versatile board having a wide range of flexible I/O options including I2C, SPI, etc. It comes without header pins so, you have to purchase that separately. We can reprogram it easily over USB from a Raspberry Pi or other computer using the C/C++ SDK or the official MicroPython port.
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