
Soldering Flux Guide: Types & Best Practices
Choosing the right flux: rosin, water-soluble, and no-clean types. Learn how flux improves soldering quality and prevents defects. Safety tips inside!
Schematic & Gerber restoration
MCU/CPLD code restore access & backup
1:1 exact hardware replication
BLE & Classic BT wireless solutions
Precision PID & thermal management
High-efficiency motor drive control
Industrial RS485/RTU communication
Custom STM32/ESP32 firmware & HW
Calculate the PCB trace width based on temperature rise, current, and copper thickness (IPC-2152).
Learning from our posts in different topics: development case of chips, reverse engineering applications, ic programming tutorials, and more. Our team of experienced PCB experts are here to answer your queries and help you in any way possible.

Choosing the right flux: rosin, water-soluble, and no-clean types. Learn how flux improves soldering quality and prevents defects. Safety tips inside!

Choose solder paste: alloy composition (Sn-Pb, lead-free), viscosity, and stencil printing. Tips for SMT assembly and reflow soldering. Best practices inside!

BC547 NPN transistor specs: current gain, voltage limits, and biasing techniques. Ideal for small-signal amplification. Project examples and datasheet summary!

Confused about PNP transistors? Learn operation principles, biasing, and common emitter/collector configurations. Compare with NPN for circuit design. Beginner-friendly guide!

74HC245 specs: pinout, direction control, and voltage translation. Learn how to use it in data buses for Arduino/STM32. Application examples and datasheet breakdown!

There are many articles on how to convert Gerber to PCB on the Internet, but most of them simply list a few steps. This article aims to introduce the process

What is TTL? TTL, or Transistor-Transistor Logic, is a type of digital circuit design that uses bipolar transistor technology to create logic gates. TTL is commonly used in electronics, particularly

CMOS, or Complementary Metal Oxide Semiconductor, is a crucial component in various electronic devices, particularly in computers. This article aims to provide a comprehensive understanding of CMOS, its history, functions,

Learn AND, OR, NOT, NAND, NOR gates: operation, symbols, and real-world circuits. Truth tables and IC examples for digital design. Essential for EE students. Start here!

Optical computing is developing rapidly in the field of AI and has broad application prospects. Recently, the semiconductor research team of the Chinese Academy of Sciences developed an ultra-highly integrated

Introduction to Boolean expressions Boolean expressions are fundamental components of digital logic design. They represent logical relationships between variables, typically resulting in a binary output. These expressions are crucial for

TRIAC dimmers for AC lighting: operation, phase control, and safety circuits. Learn to design with optocouplers and heat sinks. Project examples inside!