ALLPCB
STM32 Minimal System Design Guide
Learn to design a custom STM32 minimal system. This guide covers essential hardware circuits: power supply, clock, reset, debug, and boot selection.
Guide to Automotive-Grade MCUs
Learn the key differences between commercial, industrial, automotive, and military-grade chips. We explain the standards, like AEC-Q100, for auto use.
What Is a Body Control Module (BCM)?
Learn about the Body Control Module (BCM), a key vehicle ECU managing lighting, locks, windows, and more in modern cars.
STM32 UART Receive Interrupt Principles
STM32 UART receive interrupt not triggering? This guide covers common causes from wrong configuration to interrupt priority. Learn to troubleshoot and fix it now
What Is GPIO? Architecture and Working Principle
Learn about GPIO, its architecture, and working principle, including push-pull and open-drain outputs in STM32F7 and peripheral control.
Programming Languages Used for Microcontroller Development
Overview of microcontroller development languages—Assembly, C, C++, MicroPython and others—with examples and hardware trade-offs for embedded developers.
Microcontroller Architectures and Instruction Sets
Concise introduction to microcontroller architectures and instruction set concepts, covering RISC vs CISC, ARM, MIPS, RISC-V and microarchitecture differences.
MCU Internal Clock Circuit Principles
Discover the vital role of an MCU's clock circuit. Learn how this "heartbeat" provides the timing signal for performance, data synchronization, and stability.
PLC vs. Microcontroller: Key Differences
PLC vs. Microcontroller: Can an MCU replace a PLC? Discover the key differences in reliability, programming, and cost for industrial automation.
MCU Pull-Up and Pull-Down Resistors
Learn about MCU pull-up and pull-down resistors, their role in stabilizing inputs, and tips for selecting the right values for reliable circuits.
What Is an MCU? Types and Overview
MCU explained: architecture, types and why automotive-grade microcontrollers power electric vehicles - BMS, VCU, motor control, ADAS.
Using Hardware FIFO to Reduce Receive Interrupts
Practical guide to using UART FIFO and framing with timer-driven transmit to reduce receive interrupts and avoid blocking sends in embedded serial/RS485 systems.
MCU Basics: How Code Controls Hardware
Uncover the physical reality of code. Learn how software translates into voltage levels that control everything from transistors to complex CPU operations.
Microprocessor vs. Microcontroller Explained
Microprocessor vs. Microcontroller: Learn the key differences in hardware, applications, and features. Plus, a step-by-step guide to start learning.
DIP Switches and MCU Interfaces: Basic Principles
Learn how to wire DIP and rotary switches to microcontrollers: avoid floating inputs, use internal pulls, multiplexing tips and rotary codes.
Microcontroller Minimal System Essentials
Overview of 8051 minimal system: reset circuit RC timing, crystal oscillator design and load capacitance, Port 0 pull-ups and EA/Vpp boot selection.
Porting FreeMODBUS to AT32 MCU
Guide to Modbus overview and porting FreeMODBUS to AT32F435 with hardware setup, Modbus Poll testing, RTU/ASCII and RS485 implementation.
Power-On Reset Circuit Devices & Types
Technical article about electronics and hardware engineering.
Common C Techniques for STM32 Development
Technical overview of C bit operations and define macros, with examples of bitwise NOT/AND/OR/XOR/shifts, STM32 register use, and struct definition guidance.
How to Learn Microcontrollers Effectively
Practical guide to learning microcontrollers: hands-on workflow, choosing a learning board, core peripherals and a staged practice timeline for engineers.