There was a astronaut watch face that was very popular before, so I implemented it on the STM32 microcontroller and SSD1306 display.The effect is shown in the following video:The implementation princi...
Today I received a power supply PCB board sent by eric_wang. This is a gift I got by participating in the LPC800 board sharing event. Original activity address: [url=https://bbs.eeworld.com.cn/thread-...
UART (Universal Asynchronous Receiver/Transmitter) is a universal asynchronous receiver/transmitter, which works at the data link layer and includes RS-232, RS-422, and RS-485 serial communications. I...
USB power supply device power management has always been one of the main links in the design and maintenance of electronic products. In the past, if users wanted to know the power supply status, they ...
I am working on an industrial control project recently . The main purpose is to control the motor to rotate forward and reverse within a certain period of time. However, there is an algorithm in it, w...
What is the best way to intercept text messages in wince 5.0 and 6.0? The machines I use for 5.0 and 6.0 do not have cemapi.dll, so the cemapi method does not work. mapirule is also based on cemapi, a...
The Sino-US trade war has already started. Trump's series of actions have had a negative impact on the global economy, such as increasing tariffs on Chinese companies and restricting domestic compa...[Details]
In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
In simple terms, high-end chips solve many complex problems, mid-range chips solve a single complex problem, and low-end chips solve a simple problem. Let's learn more about the relevant content wi...[Details]
LAN8720 test code arrangement 1. Modified based on two projects, namely "Experiment 55 Network Communication Experiment" of Zhengdian Atom ATK and "STSW-STM32070" routine of ST official The hardware ...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
The F1 racetrack is roaring with engines, and a fierce F1 race is about to begin. I am not a fan of racing cars, and I have nothing to do with this world, but
I spent a special day here
because...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
Since the 20th century, our data
storage
has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor
storage
chips that can store data in coun...[Details]
The role of the watchdog: Since the operation of the microcontroller is often interfered by the external electromagnetic field, the program may run away and fall into an infinite loop. The normal ope...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]