At work, I encountered that when measuring liquid level with Zhejiang Ruian EGWR type 705 guided wave radar, the display was often stuck at 20.5mA, but the actual liquid level was not full scale, and ...
This is the first post I made after the launch of the forum. I am very grateful to soso for his support. From now on, RT-Thread has a dedicated section in eeworld.
Maybe most of the eeworld netizens a...
As shown in the figure, the Karnaugh map given in the textbook basically has at most 4 variables. If you encounter a logic function with 5 or more variables, how should you draw the map? What is the w...
I only created one task, which contains while(1) { OSTimeDly(11); IO0SET=LED; OSTimeDly(11); IO0CLR=LED; }. In this task, OSTimeDly is called twice. The first call can switch to the idle task normally...
Automotive lighting continues to advance at a rapid pace. While LED light sources offer increased efficiency and unique vehicle styling, original equipment manufacturers (OEMs) are now enabling novel ...
There is such a code in the multi_rx.c routinesCANMessage.ulMsgID = 0x1001; // CAN msg IDsCANMessage.ulMsgIDMask = 0xfffff; // mask, all 20 bits must matchsCANMessage.ulFlags = MSG_OBJ_RX_INT_ENABLE |...
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
The transition to SDVs (software-defined vehicles) involves more than just replacing parts; rather, it involves the organic connection of various elements, from internal vehicle systems to ext...[Details]
Shock absorbers, as the name implies, are responsible for cushioning and absorbing shocks in a car. So how much do you know about shock absorbers and how to replace them in electric cars?
...[Details]
System Principle
According to the average imbalance rate of the branch three-phase phase line load and the average value of the branch phase line current, the adjustment of the phase line load...[Details]
On August 18, domestic EDA manufacturer HuaDa JiuTian launched the advanced packaging design platform Storm for the first time in the world at the end of July. It claims that the chiplet wiring eff...[Details]
Black Sesame's full-stack computing platform has been named Singapore's "GO! Technology Ulisation Winner." Designed for real-time AI inference for next-generation robots, the platform has been succ...[Details]
In recent years, portable electronic devices such as mobile phones, digital cameras, music players, tablets, ultrabooks, and laptops have become almost a necessity, raising safety concerns. Besides...[Details]
Motors and insulating varnish are inseparable. The composition and manufacturing technology of insulating varnish have been continuously updated and improved, driving the rapid development of motor...[Details]
1. Classification of vibration sensors
The principles of vibration sensors can be divided into three types: acceleration type, velocity type and displacement type.
1. Acceleration type vi...[Details]