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//About 51 MCU using printf for serial port debugging //Redefine the code, you can use printf to send data to the serial port char putchar(char c) { ES=0; //Disable serial port interrupt TI=0; //Cl...[Details]

Recently I saw a friend leave a message saying that there was a problem with the power supply. He repaired it and replaced many components. He also measured the continuity of the transformer pins and...[Details]

1 ISP Overview At present, technicians engaged in the design and development of single-chip microcomputers generally use the following common methods to develop single-chip microcomput...[Details]

The EU's requirements for vehicle emissions are becoming increasingly stringent, and the EU-7 emission standards will take effect no later than 2025. The emission standards require automakers to furt...[Details]

It is reported that in the additional product list worth US$4 billion, the EU goods that will be taxed mainly include cheese, milk, coffee, pork products, Irish and Scottish whiskeys, and some metal ...[Details]

1. Confirm whether the vortex flowmeter is connected to the power supply, check whether the output voltages of the power circuit board are normal, or try to replace the entire power circuit board to ...[Details]

On October 12, CATL's holding subsidiary Guangdong Brunp and its holding subsidiary Ningbo Brunp Times signed cooperation agreements with Yichang Municipal Government, Yichang High-tech Zone Ma...[Details]

On April 7, according to Korean media MK, the U.S. Patent Trial and Appeal Board (PTAB) recently made a ruling in favor of Samsung Electronics in a memory patent invalidation case. This means ...[Details]

    The Z25165 chip produced by XICor in the United States is an integrated circuit product that integrates three functions: watchdog, voltage monitoring and serial EEPROM. The application of this ch...[Details]

The winter of 2019 was a very tough one for most of the United States. The Arctic cold polar vortex swept across the Midwest with strong snowstorms, and even in the usually mild San Diego, Los Angele...[Details]

Abstract This paper describes the design and implementation of wireless sensor technology module based on Bluetooth technology. The interrupt control mode of analog/digital conversion of MC9S12DT12...[Details]

Electrically erasable memory is a readable and writable storage device, abbreviated as E2PROM, which is mainly used for data storage. Among them, the 24CXX series memory is a more commonly used E2PRO...[Details]

In my country, IC card water meters appeared around the early 1990s, and have gradually matured after more than 10 years of rapid development. Especially in recent years, with the improvement ...[Details]

The noise floor of an oscilloscope is generated by the attenuator, front-end amplifier and A/D of the oscilloscope, and is mainly concentrated in the first two items. Oscilloscope Noise Floor The a...[Details]

On October 23, Bloomberg reported today that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips. Documents obtained by ...[Details]