ATX switching power supply, no 5V standby voltage, standby voltage control chip SDC606P 1 pin startup voltage changes from 2V to 7V, the voltage is gone after about 5 times, the 2nd pin VCC voltage ph...
I2C-24C04 and buzzer program problem/*Name: I2C-24C04 and buzzerDescription: The program first writes a musical note to the 24C04 , then reads it and plays it.
*/
#includereg51.h
#includeintrins.h#def...
About Yuanchuangda TechnologyHeadquartered in Suzhou Industrial Park, the company specializes in the RD and production of various RF power devices with LDMOS and GaN as the core and GaAs/VDMOS as the ...
This time the topic is based on CSD202, which is a high voltage bi-directional power monitor that uses the IIC interface, so we will start with IIC this time. A brief introduction to CSD202 is shown i...
[i=s]This post was last edited by qwqwqw2088 on 2020-7-22 17:16[/i]ESD resistance test method
When static electricity carried by the human body and equipment is discharged to the entire machine and el...
I am using a DE1-SOC development board, which has GPIO_0 and GPIO_1, each with 40 pins.Now we need to use the GPIO port to expand a traffic light module through the Dupont line. The pin definition of ...
On July 1, Japan's Ministry of Economy, Trade and Industry announced that it would strengthen the review of semiconductor materials exported to South Korea. The first wave of restrictions covers t...[Details]
Affected by the global health crisis, the release date of iPhone 12 has been postponed compared with previous years, and there are rumors that Apple may delay the launch of the new iPhone 12 s...[Details]
On September 15, the State Council Information Office held a press conference on the national economic operation in August. According to the data from the National Bureau of Statistics, in August, th...[Details]
Subanfa No. 1
All county and district committees, all county and district people's governments, and all municipal units:
The "Implementation Plan for Accelerating the Construction of Adv...[Details]
According to TrendForce's China Energy Storage Bidding Database, China's bidding market demand rebounded significantly in March 2024, with 5.5GW/13.9GWh of new energy storage bidding in March, a month...[Details]
Jiwei.com reported on March 22 that according to a research report released by Strategy Analytics, the tablet application processor (AP) market resumed growth in 2020 after five consecutive years of ...[Details]
Bloomberg reported that a silent panic is spreading in the U.S. government and corporate boardrooms, who are worried that a law banning Huawei equipment, which will take effect in two months, will th...[Details]
Why does MCU have a watchdog? With this question, let's learn about watchdogs. Even the 51 single-chip microcomputer has a watchdog, which shows that this dog has a special meaning to us. The purpose...[Details]
Each button corresponds to an LED light, realizing independent switching of the light. Source code: ** #include reg51.h #define uint unsigned int #define uchar unsigned char //Define the button po...[Details]
ICSP interface circuit In-circuit serial programming (ICSP) is one of the features of PIC microcontrollers. It can burn programs directly into the microcontroller and perform in-circuit serial progra...[Details]
Apple quietly released a new version of its 30W USB-C Power Adapter today, model number MY1W2. The external design of this adapter has not changed, so if there are any changes, it is likely to be int...[Details]
Piezoelectric ceramics can be used as sensors. Using the 50mA range of a multimeter, you can accurately test and determine whether it is good or bad. The method is: put the piezoelectric ceramic to ...[Details]
Skateboard chassis technology? Which company has come up with this black technology? In fact, you don’t have to be fooled by these concepts. If you played with a four-wheel drive car when you were ...[Details]
On the afternoon of October 23, 2024, Han Ping, Assistant to the President of Changjiang Securities Co., Ltd. and President of Changjiang Growth Capital Investment Co., Ltd., Wang Peng, Secretary t...[Details]
Test/Measurement
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