Raspberry Pi Pico - RP2040 Microcontroller Chip
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Care for another slice of Raspberry Pi? The UK computer and programming hardware foundation has just released the Raspberry Pi Pico, an RP2040 microcontroller chip. Like their other Pi-namite computers and products, the Pi Pico is small and minimalist, designed for both budding and advanced programmers, and costs about as much as a piece of actual raspberry pie to buy.
The Pico's RP2040 microcontroller chip is fast and fiery, with a dual-core Arm Cortex-M0+ processor, 264KB internal RAM, and support for up to 16MB of off-chip Flash. Input / output options I2C, SPI, and Programmable I/O (PIO). With the RP2040 as its backbone, makers can program the Raspberry Pi Pico (in C or MicroPython) to do anything "from controlling appliances to operating a light display."
For beginners, Raspberry Pi has put together a Get Started with MicroPython on Raspberry Pi Pico manual to guide you.