What are the causes of PCB board welding defects?
In order to ensure the overall quality of PCB boards, excellent solder should be used during the production process to improve the solderability of PC...
TI has launched the TCP/IP NDK (Network Developer's Kit) development kit in conjunction with the C6000 chip. Its main components include: (1) Program libraries supporting the TCP/IP protocol stack. Th...
I heard from a senior who has been working in the industry for many years that now all mobile phones are made with a whole GND. I wonder if this is true....
DescriptionTheEM430F6147RF900 is a complete wireless development kit for CC430 that contains all the hardware needed to develop a complete wireless project.The sample kit contains two sub-1GHz wireles...
I recently took over a project, and the company bought someone else's product, the chip is HVC4223FB6, 40 pins. I checked and found that it was from a German micro-opening company, and there is not mu...
0 Introduction Under the market economy, "heat" has become a commodity. To build a conservation-oriented society, it is imperative to implement metering and charging of urban heating. The most import...[Details]
On October 31, the three major operators announced the official launch of 5G commercial use, and 5G packages were officially launched. OPPO announced that it will resonate with the network and tari...[Details]
On the morning of April 1, Apple pushed the new iOS/iPadOS 15.4.1 system to all users today. This update should solve the problem of rapid battery consumption that iPhone and iPad users have encount...[Details]
O Introduction
GPS (Global Positioning System) is widely used in the fields of positioning, navigation, distance measurement, timing remote sensing, etc. with its high precision, all-weath...[Details]
The number of multimedia computer owners is increasing day by day, and they are all equipped with 2.1-channel speaker systems, that is, two small speakers plus a subwoofer (the subwoofer has a tran...[Details]
1 Introduction In most cases, the vibration measurement of vehicles needs to be carried out on the road. First, a tape recorder is needed to record the vibration signal of the test, and then the te...[Details]
Switching power supplies are used to control these power supplies. Due to their significant advantages, switching power supplies have become the standard power supply for most electronic products. ...[Details]
In an era that is increasingly focused on information technology and streaming media, people no longer regard cars as just a means of transportation, but are increasingly focusing on a sense of techn...[Details]
There are multiple serial ports on the STM8L, up to 5, namely USART1~USART5, but the number of serial ports varies depending on the model. Taking STM8L052R8 as an example, it only has USART1~USART...[Details]
Permanent magnet synchronous motors are widely used in high-speed and high-power speed regulation systems due to their simple and reliable structure, good maintainability, high power density and wo...[Details]
1 Introduction
With the rapid development of modern information technology and the gradual realization of traditional industrial transformation, temperature detection and display system...[Details]
RH5RI internal structure diagram
The RH5RH/I series is a three-terminal switch integrated regulator using pulse width modulation (PWM) and radio frequency (PFM) methods. The internal structure i...[Details]
China Energy Storage Network:
Right now, January has not yet ended, and 2019 has only just begun for more than 20 days. If we take stock of the new words and hot words in the first month of t...[Details]
The advantage of vortex flowmeter is that it can measure both liquid and gas. Usually, the medium flow passes through the vortex generator to generate a frequency signal, and then the circuit board co...[Details]
Automatic power control circuit
Automatic power
control circuit
Relying on the PIN tube inside the laser to detect the output optical power of the LD as feedback, the circui...[Details]
PCB Design
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