When hardware engineers first come into contact with multi-layer PCBs, they are involved in ordinary multi-layer and HDI PCB boards. Now, three-dimensional graphics are used to display the internal ar...
[i=s]This post was last edited by superstar_gu on 2021-3-16 20:09[/i]Pengfeng Technology provides the Hummingbird E203 open source SoC and test program for the Perf-V development board. This article i...
Since I am in the industrial control industry, I basically work on RS485 interfaces and network ports. When I designed the schematic, I expanded the 485 interface, 2 CAN interfaces, 1 Ethernet interfa...
Sitara ARM Microprocessors– The Sitara product platform includes high-performance ARM Cortex-A8 and ARM9-based embedded microprocessors ranging from 375MHz to 1.GHz, with future roadmap devices exceed...
[i=s] This post was last edited by lb8820265 on 2018-12-11 21:52[/i] [align=left][font=微软雅黑] This time I will introduce the selection of BLE and MEMS. It is often said that choice is more important th...
Source: csdnRecently, an Oracle employee revealed on a social platform that they are currently laying off employees with N+6 compensation.In fact, Oracle has been laying off employees in Beijing since...
Amid the Sino-US trade war, the US has imposed a sales ban on Huawei, causing the relevant supply chain to pay close attention to the development of subsequent events. Tianfeng International analyst ...[Details]
With the collective rise of domestic storage, more and more domestic storage brands have begun to leap onto the international stage and compete with world giants. Kimtek is an excellent representativ...[Details]
Harvesting energy from the sun through the wind is not new, but today's power semiconductor devices and control systems make this energy source more feasible.
Among existing solar energy utili...[Details]
Recently, Honor Terminal Co., Ltd. added a number of trademark transfer information. The transferor is Huawei Technologies Co., Ltd. and the number of transfers exceeds 700, including HONOR and Honor...[Details]
In today's global energy shortage environment, energy conservation has become a general trend. At the same time, the country also vigorously advocates energy conservation and emission reduction. ...[Details]
The coating thickness gauge is an instrument used to detect the coating thickness. It is usually necessary to calibrate the instrument with a calibration thickness sheet (hereinafter referred to as t...[Details]
3. Packaging test comparison
1. Two LED packaging with different heat dissipation structures
In order to ensure comparability, the same materials (same chips, die-bonding glue, gold wire, sil...[Details]
When learning about MCU, we usually need to choose a suitable finished MCU development board. After all, it is not easy to build all the circuits by ourselves. This article briefly introduces the know...[Details]
The first step of serial port initialization is to configure the baud rate. The baud rate is related to the clock, so the clock must be configured first. For the clock configuration, see the previous...[Details]
The working principle of the ultrasonic depth sounder is designed based on the principle that ultrasonic waves can propagate in a uniform and straight line in a uniform medium and produce reflections...[Details]
Most computer devices have RS-232C interfaces, although its performance indicators are not very good. It is still popular with the wide market support. In terms of use, RS-232 does have its advantage...[Details]
As the payment field moves towards digitalization, protecting digital identities and transactions becomes increasingly important. In addition to standard contactless payment cards, biometric p...[Details]
According to display analyst Ross Young and whistleblower Jon Prosser, Apple may delay the release of the iPhone 12 Pro or cancel the feature altogether due to supply chain issues with 120Hz screens....[Details]
Jiwei.com News: With the release of the "New Regulations on Refinancing", listed companies have been pushing forward with plans for additional issuance, and the recovery of the fixed increase fundrai...[Details]
On December 6, the world's first electric molten salt energy storage steam injection test station was put into operation at Block 40 of the Huanxiling Oilfield in Liaohe Oilfield. The completion an...[Details]