In PCB production, the process is an extremely important link. The general processes include OSP, immersion gold, gold plating, tin spraying, etc. Among them, tin spraying is the most common process i...
According to the national standard management procedures, the mandatory national standard "Safety Technical Specifications for Electric Bicycles" (GB 17761-2018) revised by the Ministry of Industry an...
[i=s]This post was last edited by donatello1996 on 2018-12-19 09:30[/i] [size=5][Raspberry Pi 3B+ Review] TCP Client & Blocking Thread Creation & Cancellation[/size] [size=5] [/size] [size=5] In the L...
In 2019, I was busy at work a lot. I said I was busy, but in fact, I was very idle. The reason why I failed to complete the orders was that I made myself busy. I ran from the company to the factory fo...
Series Termination In practice, the resistor (R) can be omitted at the buffer output because impedance matching is difficult to achieve due to its dynamic impedance change with frequency. Advantages...
Let's talk about "fake" today
Have you ever wondered: the circuit cannot be debugged, "I may have bought a fake chip"?
Do you have any doubts: Is it a problem with your circuit design or debugging?
Ha...
Preface In addition to the car radio and car stereo, there are various sounds coming from inside and outside the car. For example, when the turn indicator is turned on, the car will make a "tick...[Details]
The plan mentions that efforts will be made to achieve grid parity for onshore wind power generation and grid parity for photovoltaic users by 2020.
Recently, the People's Government of Ga...[Details]
1 How does a direct digital synthesizer (DDS) work?
A DDS
consists of at least three parts: a digitally controlled oscillator (NCO) with a phase modulator, a module that converts ph...[Details]
Function description: Choose a TV remote control, and then use the receiving module combined with the microcontroller decoding to control the 8 LEDs connected to the P1 port to turn on or off.
...[Details]
Is there any hope for my hair?
Recently, surgical
robot
developer Bangkece (Shanghai) Intelligent
Medical
Technology Co., Ltd. (hereinafter referred to as "Bangce Medical")...[Details]
RS485 Disadvantages: RS485 bus is a conventional communication bus. It cannot do automatic arbitration of the bus, that is, it cannot send data at the same time to avoid bus competition. Therefore, t...[Details]
IT Home reported on April 28 that recently, Samsung’s official website announced the parameters of the new sensor Samsung ISOCELL HM6. According to Samsung's official statement, HM6 adopts a 1...[Details]
In addition to the inductor with iron powder core as the magnetic core, the position of the air gap has a great influence on the inductor parameters of general inductors (Flyback transformer is a c...[Details]
The variable mentioned in class is a quantity whose value can change continuously during the execution of a program. To use a variable in a program, you must first use an identifier as the variable na...[Details]
A design method for a smart home system based on the S5PV210 chip is proposed. The software system and human-computer interaction interface are developed using QT on an embedded system platform based...[Details]
Contents The present invention generally relates to the field of industrial measurement, and in particular, to a universal grounding ring and a method for manufacturing and using the grounding ring. ...[Details]
Figure 6 illustrates the concept of parallel instruction fetching and execution determined by the Harvard architecture, as well as the register file that can be accessed quickly. This is a basic pipe...[Details]
Most modern power supplies require that the current drawn from the input line contains harmonic content. In fact, the regulatory standards require that the line current be close to a sinusoidal wav...[Details]
Abstract: KA1M0880 is a high-efficiency, high-stability, high-voltage PWM series circuit with minimal external components produced by Samsung. It contains high-voltage MOS field effect transisto...[Details]
PCB Design
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