I took the layout that had been wired and removed the traces between the two pads and re-laid them. Why did the traces still have flying wires? How can I remove the flying wires after routing them? Th...
There was a problem when controlling the PMOS at high frequency. A 5V, 62.5KHZ sine wave signal was input to the base control terminal of the transistor, and a sine wave signal could also be measured ...
Recently, Jiali Chuang only charges 5 yuan for 5 sample boards (within 10*10cm), and each person can make 2 samples per month, so I drew a PCB ruler as a souvenir for my roommates and friends. It cont...
I recently encountered a problem when I was working on an infrared tube touch screen. For the same circuit, using a program written by someone else, the value of each channel read out was relatively s...
What can the points here be exchanged for? Can they be used to exchange for goods? No, you think too much? ? ? ? You should study hard! ! ! Right》Right? ? ? ? {:1_142:}...
Have you ever used a CAN programming method with SOCKET CAN? In error filtering reception, can_err_mask_t err_mask; //err_mask = CAN_ERR_MASK; err_mask = (CAN_ERR_TRX | CAN_ERR_TX_TIMEOUT | CAN_ERR_CR...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
PCB Design
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