The signal of liquid level transmission into the microcontroller is 4~20ma current. STM32 is needed to realize collection and transmit the data to the host computer through 485. The current liquid lev...
[b]What should I do if the crystal pins turn black? [/b][align=left][color=rgb(66, 66, 66)][font="] The crystal pins turn black because of oxidation due to improper storage. We can see that there are ...
As the title:
The user manual of the FriendlyArm mini2440 board talks about how Fedora can access shared files in Windows.
But I installed RedHat 9.0
How to access it?I'm a novice, please give me some...
[i=s]This post was last edited by dontium on 2015-1-23 13:21[/i]THD+N of the op amp. 6
Single-supply op amp rail-to-rail input... 8
Output does not reach rail to rail... 12
The input bias current of t...
Free trial class of "3G Mobile Development" of Wu Ruida was held at Beijing Jiaotong University. Welcome everyone! Free trial class of "3G Mobile Development" of Wu Ruida was held at Beijing Jiaotong ...
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
As the main model among new energy vehicles, pure electric vehicles have received strong support and encouragement from the country in recent years, and their development is changing with each pass...[Details]
The structure of an LCD TV primarily consists of the LCD display module, power module, driver module (primarily including the main driver board and tuner board), and keypad module. LCD display modu...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
Smartphones have become essential digital devices, and the growing number of smartphone-centric applications is enriching people's lives. As users, they desire a better app experience and a wider r...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
Bosch has released a new SoC series to support L2+ advanced driver assistance functions. The chip integrates high resolution and long-range detection capabilities, and has built-in support for neur...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]