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No, not all microcontrollers come with a serial port. The presence and number of serial ports depend on the microcontroller's architecture, target application, and price point.

Using an Arduino to control motors is one of the most common and beginner-friendly projects. Arduino is often better suited for motor control than a Raspberry Pi for simple applications because it's designed for real-time I/O and can handle the electrical noise from motors more robustly.

Evaluating whether an MCU can run a Real-Time Operating System (RTOS) quickly involves checking a few critical hardware and resource thresholds.

Here is a depth analysis of diode short-circuit failure, covering its mechanisms, causes, symptoms, implications, and testing methods.

Here’s a practical, field-tested cheat sheet you can use when designing switch-mode power supplies (SMPS) to keep EMI under control. It’s organized by what actually moves the needle first (layout), then filtering, parts choices, and finally verification.

The LM317 is one of the most versatile and popular linear voltage regulators. Constructing a variable voltage source with it is straightforward.

MII, RMII, GMII, and RGMII are all standards that define the interface between a MAC (Media Access Controller, typically part of a processor or switch) and a PHY (Physical Interface Transceiver, the chip that actually drives the Ethernet cable).

Choosing the right clock chip (often called a Real-Time Clock or RTC) is a critical decision for many embedded projects. The "right" choice depends entirely on your project's requirements.