Please help. I am facing such a problem. The 485 communication can be received and the receiving interrupt can be entered. However, an error occurs when sending the array. The sending is not executed ...
Generally, the constant temperature is a certain value, which is compared with the set voltage and feedback controlled. But how to achieve constant temperature within a certain range? Do we use window...
The buzzer below is very common, right? I believe everyone has seen it and used it. Now the question is - what can it do?The buzzer is actually a piezoelectric ceramic, and piezoelectric ceramics have...
Thread termination:1. The start_routine callback function executes return;2. The thread itself calls pthread_exit();3. Other threads call pthread_cancel(ID) to terminate the process;any thread calls e...
With the improvement of people's material and spiritual living standards, users' requirements for lighting have long gone beyond lighting for lighting's sake. In addition to energy saving, more and...[Details]
According to foreign media reports, Sense Photonics announced that its patented shutter flash lidar system has successfully achieved a detection distance of 200 meters. (Image source: Sense Photon...[Details]
1. Basic Concepts 1. FSMC with non-bus multiplexed 16-bit SRAM interface configures SRAM memory and NOR flash memory to share the same FSMC storage block. The protocol used varies depending on the me...[Details]
1 Introduction This topic comes from Beijing Puji General Company. Since the company's existing stand-alone spectroscopic instruments (such as 1810 and T6, etc.) use parallel port printing technol...[Details]
Foreign media 91mobiles reported that Qualcomm is expected to release its next-generation flagship chip Snapdragon 875 later this year as its first 5nm chip mobile platform. According to reports, t...[Details]
Recently, Landmark, a well-known domestic in-vehicle software solution provider, and RT-Thread Technology (hereinafter referred to as RT-Thread), a new in-vehicle operating system manufacturer, joint...[Details]
Use a screwdriver or wire to short-circuit the two ends of the suspected faulty capacitor to discharge, then remove it, and use the r×10k or r×1k block to measure. The two test leads are connected to...[Details]
What is an interrupt routine? A vivid metaphor is like you are reading my article now, and suddenly your friend asks you to go roast sweet potatoes together. At this time, you interrupt reading the...[Details]
Every change in the "wall-to-wall electricity sales" policy is like a "stone" thrown into a calm lake, which always causes "ripples" in the industry.
On December 9, the Jiangsu Energy Supervis...[Details]
At present, electric locomotives use mechanical foot switches to send trigger pulses (110V/0V) to the monitor at a fixed time (within 1 minute) to inform the monitor that the locomotive driver is i...[Details]
On August 18, the official websites of the U.S. State Department and Commerce Department respectively issued statements to further tighten restrictions on Huawei's access to U.S. technology and added...[Details]
When writing a single-chip microcomputer, you must pay attention to the setting of registers. Many peripherals may use this register. When the peripherals are initialized or the registers are modified...[Details]
On August 27, IBM issued a press release yesterday (August 26), announcing the launch of the next-generation Telum II processor and Spyre AI accelerator for the latest IBM Z mainframe system for AI...[Details]
The brushless ringless starter is a voltage-reducing device installed on the motor rotor for synchronous operation. It can eliminate the slip ring and carbon brush, so it is called a brushless ring...[Details]
Gas chromatograph is the main tool for gas chromatography analysis. To achieve the purpose of fast and accurate analysis, the operator must have good operating skills. Based on my experience of usin...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
