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"For more than 100 years, lighting has been changing steadily and slowly, but in the past 10 years, the entire lighting industry has undergone tremendous changes. It is expected that in 2015, the sha...[Details]

Introduction: ARM image file ***************************************************** ARM Image File ***************************************************** 1. Structure of ELF format file 1.1 Image...[Details]

1. UCOSIII inter-task communication        1.1. Communication between tasks Sometimes a task or an interrupt service routine needs to exchange information with another task. This is the process of me...[Details]

A new chemical sensor prototype can detect "fingerprint traces" of chemicals and other substances from up to 100 feet away, and its developers are working to shrink it to the size of a shoebox. A new...[Details]

On August 22, Unigroup Tongxin released the world's first security chip E450R with both open hardware and software architecture. The chip is used in the fields of data security and algorithm protec...[Details]

The STM32F4 series processors have an internal integrated USB-OTG controller, which enables USB communication without an external USB IC. In the past two days, I have looked at how to use the STM32 U...[Details]

Recently, according to foreign media reports, two new Apple wireless products appeared on the Korean certification website. The two new models are A2453 and A2454. They are suspected to be the left a...[Details]

NXP Semiconductors announced today that Heige Technology, an original design manufacturer headquartered in China, has released a reference design for mass-produced wireless headphones. Bluetooth hea...[Details]

       This example uses a key to control the brightness of the LED desk lamp. The default setting is off when powered on. The first press makes the LED fully lit. The second press makes the LED 58% b...[Details]

According to Jiwei.com, Samsung Electro-Mechanics announced that it has recently successfully developed a new micro-large-capacity MLCC product with the world's highest performance, taking the lead i...[Details]

OmniVision Technologies has introduced the world’s first automotive wafer-level camera, the OVM9284 CameraCubeChip™ module, which is the world’s smallest automotive camera and provides a one-stop ser...[Details]

In the use of single-chip microcomputer, unsigned int occupies 2 bytes, unsigned char occupies 1 byte. Single-chip microcomputer implements byte addressing. 16-byte bit addressing is really not eas...[Details]

//Use LED digital tube to display the count value of counter T0 #include reg52.h //Header file containing 51 MCU register definitions sbit S=P3^2; //Define the S bit as the P3.2 pin unsigned char T...[Details]

I have been confused about interrupts and timing these past two days. I heard that this thing can improve the efficiency of the CPU, and I think it should be a very important programming method, so I ...[Details]

One million stations are newly added! Yumiaochong's Baguocheng all-liquid-cooled supercharging station leads the breakthrough. At the same time, the 318 Sichuan-Tibet Supercharging Green Corridor h...[Details]