[size=4] When making instruments with DLMS protocol, foreigners asked for remote firmware upgrade function. Since it was the first time, I sought help from the manufacturer, but the process was too co...
Almost all designers of ultra-low-power systems are concerned about battery life. How often does a fitness tracker battery need to be recharged? And for a disposable battery system, how often does a t...
Author | Wang HuidongPreface:This may be a simple action in the work of PCB design engineers, but it is a turning point in the fate of CAM engineers.Text:People who make circuit boards are not afraid ...
[i=s]This post was last edited by 2065462 on 2021-6-2 13:35[/i]Moderator, the attached diagram is a MOS switch control circuit. MAX5048 is a MOS DRIVER, V_M200V is -200V. U11 is ZVN4525, VDSS is 250V,...
I drew the simplest two-layer board this time, using a voltage regulator chip to generate different voltage outputs. I would like to ask the seniors if I can connect all the grounds on the board by la...
On December 24, the groundbreaking ceremony for the second phase of the Guangdong Ruiqing Times lithium-ion battery production project was held in Zhaoqing High-tech Zone. This is another landmark ach...[Details]
On February 23, the "Airport Line" autonomous driving manned demonstration from Beijing Daxing International Airport to Beijing Yizhuang was officially launched, marking the official opening of the...[Details]
There are many ways to measure transistor pins. The most common method in the laboratory is to use a multimeter and the characteristics of each transistor pin to measure. However, due to the complex ...[Details]
The difference between single crystal silicon and polycrystalline silicon is that when molten silicon solidifies, silicon atoms are arranged in a diamond lattice to form many crystal nuclei. If the...[Details]
According to a report from IHS Markit on October 16, global sales of TFT LCD panels used in automotive displays will decline for the first time in 2019, falling to 156 million units after 10 consecu...[Details]
On August 18, Jucan Optoelectronics stated at the performance briefing that the company's capacity utilization rate has remained high this year. Benefiting from strong market demand, orders have shif...[Details]
I. Introduction
With the development of pure electric vehicles and hybrid vehicles, the series battery pack, as an important energy storage device, is a key factor affecting the performance of the en...[Details]
This is a simple magnetic head degaussing device. Take ten to fifteen square silicon steel sheets with a side length of 15 mm (stacked together, the thickness is 5-7 mm). In the middle is a hole with...[Details]
For Nintendo Switch (hereinafter referred to as 'NS') players, the most troublesome thing is to share screenshots on NS. Nintendo does not provide direct sharing functions on Weibo, WeChat an...[Details]
The function of the pull-up resistor:
(1) It is used to provide driving capability for the OC and OD gate circuits.
Take the OC (open collector) circuit as an example:
for example, the Darlington t...[Details]
Industry Focus 1. AIWAYS and Quantum Mobility Technology have reached a strategic cooperation to create a future smart travel life Recently, AIWAYS signed a strategic cooperation agreement with Q...[Details]
1. Misc device driver model
In this section, we will look at the relevant content of the misc device driver model. First, we will look at its device structure, which is defined in includ...[Details]
Hall Effect Sensors in Electric Vehicles
From determining the position of steering wheels, pedals, and seats to the settings of various valves, knobs, and actuators, position sensors are...[Details]
ARM processor 7 types of exceptions The order of priority from high to low is as follows: Reset abnormality (Reset) Data Abort Fast Interrupt Exception (FIQ) External interrupt exception (I...[Details]
On the evening of October 22, at the HarmonyOS Night and Huawei's All-Scenario New Product Launch Conference, my country's first domestically produced mobile operating system, Huawei's HarmonyOS NE...[Details]
Microcontroller MCU
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