What a talent! The test result of the pegboard: in a normal office environment, the communication distance with the mobile phone is up to 30 meters.
The antenna is a solder wire of about 31mm, which i...
1. Input voltage is too high
The input parameter of the power module is abnormal - the input voltage is too high. This abnormality can cause the system to not work properly, or even burn the circuit. ...
The operating voltage of RS-485 transceiver is low (about 5V), and its withstand voltage is also very low (-7V~+12V). Once overvoltage is introduced, it will break down and be damaged. When there is s...
This application report and the associated code provide a way to copy compiled program segments from the flash of the TMS320F28xxx to ram, which can increase the code execution speed. This solution im...
As the title says, the normal specification check in PCB is as shown below, but I clicked the document view in the lower left corner, and then the rule check became Figure 2. Can someone teach me how ...
Today we use the serial port communication of STM8L152. The serial port mode is RS485 mode, and the enable end of the MAX485 chip is controlled by PC4. The serial port uses interrupt mode to send dat...[Details]
Recently, the US think tank CSET estimated the US chip manufacturing labor demand under the CHIPS Act and whether it is necessary to import labor from abroad. It is estimated that under the manufactu...[Details]
According to a report by Central News Agency, Yageo, a major passive component manufacturer, plans to hold a groundbreaking ceremony for its third plant in Kaohsiung on the 14th. It is reported tha...[Details]
Malaysia recently implemented a tougher "Enhanced Movement Control Order", and local IDM manufacturers were forced to suspend operations. It is reported that IDMs have notified customers that the del...[Details]
1 Introduction
With the development of network and multimedia technology, the importance and demand of visual communication have increased dramatically, such as desktop video conferencing, mob...[Details]
Last week, drones attacked an oil processing facility in Saudi Arabia, shutting down half of the country's oil production, or 5% of the world's daily oil output. We've seen how a botnet of compromise...[Details]
Since the advent of low-power UPS, transformer-less UPS design has experienced more than 20 years of development. Today, most UPS below 30kVA are transformer-less, which means that UPS does not nec...[Details]
Recently, a foreign netizen posted a video on Twitter, in which the driver fell asleep in the car and the vehicle's Autopilot system automatically stopped to avoid the driver. Musk responded to the v...[Details]
There are 4 types of timing devices in S5PV210, with different functions and features. 1. PWM timer (1) This is the most commonly used timer. The timer in a simple microcontroller (such as 51 micro...[Details]
At this year's National People's Congress and the Chinese People's Political Consultative Conference, Li Jiajie, member of the Standing Committee of the National Committee of the Chinese People's Pol...[Details]
void WWDG_INI(void) { WWDG_WR = 0x60; //Watchdog window value, the window value must be above 0x3F, but must be less than the count value, otherwise the watchdog cannot be fed WWDG_CR = 0x...[Details]
//The driver code is as follows. The main device number is set to 232, which is suitable for GEC2410 sixteen-key matrix keyboard #include linux/config.h #include linux/module.h #include linux/kernel....[Details]
There are reports that a fire broke out at Toshiba, and many industry insiders have reported the incident. Toshiba is Japan's largest semiconductor manufacturer and the world's second largest NAND ...[Details]
According to Japanese media reports, Japan's Fair Trade Commission (FTC) is investigating Apple's actions to put pressure on Japanese component manufacturers and whether the company has violated anti...[Details]
Introduction
Due to the different driving principles, new energy vehicles have fundamentally promoted the upgrade and transformation of the vehicle's thermal management system. Ligong Technolo...[Details]