The circuit is as follows:Q1 is a PNP transistor. I don't know why LED1 lights up when charging . When not charging, LED1 doesn't light up . LED1 also has a circuit when not charging. I don't know why...
I connected the data line after AD conversion to D0---D11 of 2407, but the ADDR on 2407 is not connected. How can I read the data on D0---D11? Now when I access the external address (0x8000) in the pr...
In view of the current domestic and international situation and the gradual growth of domestic chips, it is recommended that this section cancel some unnecessary sub-sections, such as PIC, Atmel and o...
The ground of the front-end device and the back-end device are connected through a ground wire.
When the device is not powered on, the two grounds are connected.
When the power is turned on, the imped...
I have to complain about the interface of open1081. I recently found that any double-row socket will always bring endless low-level errors. For example, this time I inserted the SD card into SPI2. Bec...
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
On August 22, Lantu Motors officially launched its Lanhai Intelligent Hybrid technology via an online livestream. This intelligent hybrid technology, which integrates a full-range 800V high-voltage...[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]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
With the development of vehicle technology, there are more types of cars. Cars are divided into hybrid, pure electric vehicles, and fuel vehicles. For hybrid cars, they are divided into plug-in hyb...[Details]
In industrial production, many different controllers are often used, such as those for pressure, flow, electrical parameters, temperature, and sound. However, due to the limitations of the on-site ...[Details]
Electronics engineers all know that transient voltage suppression (TVS) diodes are used to protect ports, preventing damage to downstream circuits caused by transient voltage surges. In short, TVS ...[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?
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Due to limitations in size, weight, and cost, most continuous-wave radar seekers use single-antenna technology. Insufficient isolation between the transmitter and receiver causes the transmitted si...[Details]
How do the maps used by self-driving cars differ from the maps we use daily, such as those from AutoNavi and Baidu? AutoNavi and Baidu create maps for humans, while high-precision map companies cre...[Details]
On August 18, Tencent Holdings released its second-quarter 2025 results last week, with revenue of 184.504 billion yuan, a year-on-year increase of 15% and a month-on-month increase of 2%; profit a...[Details]
Coherent Corp., a Saxonian-based materials, networking, and laser technology company, has officially opened a new $127 million manufacturing facility in the Nhon Trach Industrial Park in Dong Nai P...[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]
Analog electronics
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