Help~ The NE555 square wave circuit I built has a 14V input and a 150KHz oscillation frequency. The output waveform is normal, but the 555 gets hot half a minute after powering on. What is the reason?...
What is the Global Positioning System (GPS)? The Global Positioning System (GPS) is a new generation of satellite navigation and positioning system developed by the United States in the 1970s. It took...
The screen is messy and cannot be corrected, so I thought of overwriting the correct information in the registry REGEDIT4 [HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\TOUCH] "CalibrationData"="[color=#FF000...
CC2430 with ceramic antenna is -26dBm, and the transmission distance is only about 10 meters. And with PCB antenna, it is -17dBm, and the transmission distance is about 37 meters. I heard that CC2430 ...
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[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]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[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]
Charge your electric car for just six minutes and you'll get 1,000 kilometers! This isn't just a scene from a science fiction film, but a reality made possible by Guoxuan High-Tech's Jinshi solid-s...[Details]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[Details]
Fast charging is a method and means of quickly replenishing a vehicle's power. It is the core and most important part of electric vehicles. Speaking of fast charging, everyone is familiar with it. ...[Details]
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]
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]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
Recently, Orbbec issued an announcement that its application for issuing A-shares to specific objects in 2025 has been accepted by the Shanghai Stock Exchange.
The announcement shows that the ...[Details]
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