How much can a small quadcopter take off? No one has provided authoritative data on this. After the author's experiment, Dr. Dot proved that 50 grams is no problem. 1) The weight of the small quadcopt...
[size=5][color=Red]I bought a Samsung note4 on JD.com today, but it got really hot, so I returned it. I want to ask, can I buy a phone with a screen size of 5.5 inches or more, low heat, support for T...
Could you please tell me how to adjust the CC2640R2F SPI rate?1
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14/*! [url=home.php?mod=spaceuid=159083]@brief[/url] SPI bit rate in Hz** Maximum bit rates supported by har...
"I've waited for you until my heart aches, I've waited for you until I have no more dreams." This line of lyrics is the most appropriate to describe people's expectations for China's 3G licenses. A fe...
Input 3-5V, need a boost circuit to charge 7.4V battery (9V?), current 3A. Does anyone have a mature and stable chip application circuit? The chip must be from a big brand...
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[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]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
On August 21, WeRide officially launched WePilot AiDrive, a one-stage end-to-end assisted driving solution developed in cooperation with Bosch. This comes only half a year after the two parties' "t...[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]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
Bearing wear is a common equipment problem in the manufacturing industry. In today's world where controlling production costs is advocated, using repair technology to reduce the scrapping and repla...[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]
No one expected that after about a day of downtime, four or five thermostats on the control panel would display four 0000s and flash. We knew it was caused by poor contact of the temperature sensin...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
On August 18, Zhiyuan Robotics released information showing that the company's entire product line is officially on sale.
The full range of products launched this time includes six major produ...[Details]
1. Basic structure and working principle of centrifugal pump
1. Centrifugal pump water pump relies on the high-speed rotation of the impeller to make the fluid obtain greater kinetic energy, a...[Details]
DIY/Open Source Hardware
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