Lisa's Column
What is the difference between gold plating, immersion gold and nickel palladium gold in PCB surface treatment process?
In the PCB surface treatment process , there are several treatment processes that we often confuse: gold plating, immersion gold and nickel palladi...
What are the effects of environmental factors on connector performance
The same object will have different technical performance in different environments. Therefore, evaluating the quality of an object to see how much...
Advantages and disadvantages of several common PCB surface treatment processes and their applicable scenarios
1. Bare copper plateThe advantages and disadvantages are obvious:Advantages: low cost, smooth surface, good weldability (without being oxidized).Di...
Introduction to Stepper Motors
Stepper motor is an open-loop control motor that converts electrical pulse signals into angular displacement or linear displacement. It is the main...
How to choose chip inductors for SMT chip processing?
SMT chip processing? How to choose a chip inductor for SMT chip processing? Inductor is a common electronic component in SMT chip , chip inductor ...
Teach you how to identify the true and false chips
Some time ago, someone told us that debugging a circuit is a life-and-death situation, and suspected that a fake chip was bought. Today we will sha...
Comparison of STM8S105S4T6C and STM8S105C6T6
STM8S105S4T6, 44 pins, LQFP package (LQFP44 10X10), fewer pins than STM8S105C6T6, but bigger than it.
STM8S105C6T6, package LQFP48 (7*7), 48 pins...
Features and advantages of power supply modules
The power module is a power supply that can be directly mounted on the printed circuit board. Its characteristics are that it can be an application...
Causes of capacitor failure
Like all other electronic component parts, a capacitor can fail when subjected to environmental or operational conditions for which the capacitor ...