The operational amplifier used is TL072C, and the waveform is distorted after amplification by 20 times. The test picture is as follows:The test waveform, the yellow one is test point 1, and the blue ...
A review of improved single-stage power factor correction AC/DC converter topologies Abstract: Single-stage power factor correction (PFC) has been widely used in small and medium power applications du...
void halInitMCU(void) { WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer __bis_SR_register(LPM4_bits); // Enter LPM4, enable interrupts } Initialize the CPU to do nothing, enter sleep LPM4, test curre...
1. The demand sheet came and was published, but there were no resumes. 2. The resumes came, but the abilities were not suitable. 3. The ones with suitable abilities came, but the salary negotiation fa...
【Wireless temperature and humidity monitoring solution for warehouse】
[ Wireless temperature and humidity monitoring system]
【Wireless temperature and humidity sensor】
【Medical warehouse, large-scale ...
I have several old machines and I need to update the programs now. This problem always occurs when burning. There are 5 chips. Two can be burned for the first time, but they cannot be burned for the s...
The TIA Portal software's shift instructions shift the contents of an accumulator bit by bit to the left or right. The number of bits shifted is determined by N. A left shift of N bits multiplies t...[Details]
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]
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
On August 25th, Apple's expansion in India encountered new troubles. According to Bloomberg, Foxconn Technology Group has recalled approximately 300 Chinese engineers from India, further hindering ...[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]
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]
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]
Batteries, at the core of new energy vehicles, are crucial to vehicle performance and range. Existing automotive batteries are categorized into lead-acid and lithium batteries. Currently, new energ...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
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The rapid development of science and technology has enabled mankind to quickly move from the Internet era to the big data era. As a result, the amount of data generated by people ...[Details]
A new multi-layer diffractive optical processor can block images in one direction while allowing images in another direction to pass through.
Researchers at the University of California,...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
For traditional gasoline vehicles, the engine and transmission are the core components of the entire vehicle, while for pure electric vehicles, the power battery is clearly the most important. Ther...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]