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From simple sensor control to connected, intelligent devices, embedded systems often outgrow a single MCU. Pairing an MCU with Linux adds power and flexibility, but also introduces communication challenges, dual development workflows, and increasing software complexity.
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This article explains practical DC motor speed control techniques for both brushed and BLDC systems, covering design principles, control methods, and engineering considerations behind reliable motor speed control.
A crystal oscillator is an electronic circuit that uses a quartz crystal to produce a precise and stable frequency reference. This article covers crystal operation, equivalent circuit models, resonance, load capacitance, oscillator topologies, stability, aging, and design practices.
This article presents an end-to-end motor control design methodology covering mechanical sizing, power electronics, sensor selection, real-time control algorithms, EMC, and functional safety for engineers building motor drives.
This article is a practical guide to motor speed control, covering PWM duty control, VFDs, scalar control, vector control, and field-oriented control for DC, BLDC, induction, PMSM, stepper, and servo motor systems.
This article details BLDC motor controllers, covering system roles, architectures, commutation methods, sensing techniques, power stages, protection, IC selection, application requirements and safety standards.
Arduino's Nano series packs the power of an Arduino Uno into a tiny, breadboard-friendly form factor. This guide covers every pin, electrical limit, and protocol on the classic Nano and its Nano Every and Nano ESP32 variants.
This article presents a comprehensive engineering guide to Hall Effect Sensors, covering theoretical foundations, device structures, sensor types, specifications, applications, and practical integration strategies for modern electronic system design.
This article provides a comprehensive overview of motor controllers, covering definitions, types, control strategies, design considerations, selection guidelines, and emerging trends.
Relays are the unsung heroes behind automated power control. This indepth guide discusses what is a relay for digital design and hardware engineers. It explains how relays work, compares electromechanical and solid state designs, and provides design tips and application examples.
Understanding the full potential of the universal NAND gate by mastering its truth table, transistor implementations, electrical characteristics and real-world applications.
A deep dive into the UART protocol for digital design engineers, hardware engineers, and electronics engineering students. Learn how this common serial interface works, its configuration parameters, applications, and how it differs from other protocols.
This article covers every aspect of the Arduino UNO pinout, presenting a technical, pin-by-pin explanation to help readers confidently design, analyze, and implement Arduino-based systems.
Understanding the signal names, numbering schemes, electrical limits and software control of the Raspberry Pi 5 general purpose input/output (GPIO) header empowers hardware and digital design engineers to build robust embedded solutions.
Protect sensitive electronics by understanding the current limiting resistor, learning how to calculate appropriate values, and applying them in LEDs, transistors, microcontroller inputs and other circuits.
