![]() Often runs a real-time operating system (RTOS) or no operating system at all (usually referred to as "bare metal").Usually used in headless applications where they are embedded inside products like an automobile, industrial control or medical device.Lack of support for virtual memory, a GPU (graphics processing unit), and sometimes even an FPU (floating point unit).Low power consumption and power-saving modes, making it suitable to run on battery power.Generally has built-in support for interfaces like SPI, I2C, and serial i/o, but not Ethernet, WiFi, or Bluetooth.Physically small, low cost (as little as US$1), with limited on chip memory and storage. ![]() Some common characteristics of a microcontroller are: ICS is currently running a blog series on microcontrollers. Part 1 offers a good overview of what microcontrollers are and how they are reshaping product development. A microcontroller is significantly different from a general purpose computer like a desktop, laptop, or even the Raspberry Pi 4. It is an interesting product that combines two technologies of great interest: the Raspberry Pi and microcontrollers. In this post I'll discuss the new offering from the Raspberry Pi Foundation, the Raspberry Pi Pico.
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