I used the software to compile BlueNRG-1_2 DK 3.2.1\Project\BLE_Examples\BLE_Chat\TrueStudio\BlueNRG-1 and burned the generated hex file, but there was no response. If I burned the official compiled \...
[i=s]This post was last edited by ddllxxrr on 2019-4-27 20:26[/i] From Chapter 17 to Chapter 24 of this book, I think I just glanced at them. What has puzzled me for many years is not the problems in ...
1. Introduction
IoT applications are increasingly requiring positioning, especially for applications such as asset tracking. According to Machina Research, by the end of 2020, there will be more than ...
In high-speed PCB design, differential signals are used more and more widely, and the most critical signals in the circuit often adopt differential structure design.Why is this so? Compared with ordin...
l ALE//PROG: ALE-address latch valid signal output. During access to the off-chip program memory, this signal appears twice per machine cycle (frequency = fosc/6). Its falling edge is used to control...[Details]
After taking the world's first place in DXOMark's rear- and front-camera photography, Huawei P40 Pro's audio score has just been released. However, this phone only scored 59 points and did not...[Details]
Using the iic communication of the stc12c5a60s2 microcontroller to drive the pca9685, because 9 servos are used, there is no need to short the solder joints on the driver board. The driver's scl and ...[Details]
We went to AI-benchmark and accidentally discovered that another new Redmi phone was exposed. It was named Redmi Note10, equipped with MediaTek Dimensity 820 chip, pre-installed with MIUI deeply cust...[Details]
stm32 has two watchdogs, an independent watchdog and a window watchdog. In fact, their functions are similar, but the time limit for feeding the watchdog is different. The independent watchdog limit...[Details]
Apple officially released the iPhone 11 series early this morning. There are three mobile phones in the series. Since the upgrade did not exceed the expectations of the outside world, Chinese mobile ...[Details]
1. Misc device driver model
In this section, we will look at the relevant content of the misc device driver model. First, we will look at its device structure, which is defined in includ...[Details]
After the charging pile industry ushered in the east wind of "new infrastructure" on March 4, a new round of investment enthusiasm immediately emerged. From the perspective of the focus of the layo...[Details]
The "OFweek 2024 (13th) China Robotics Industry Conference" hosted
by OFweek, a Chinese high-tech portal, and organized by OFweek Robotics
was
successfully held in Shenzhen from April ...[Details]
China Energy Storage Network News
: China's 13th Five-Year Plan outline points out that we should promote the deep integration of new technologies in the fields of energy and information, coo...[Details]
Although my country's integrated circuit design industry started late, it has become the main driving force for the growth of the global integrated circuit design industry market with many advantages...[Details]
Remembering the "Chinese Heart" 2023 Top Ten Engine and Hybrid System Selection Real Vehicle Test In 2023, hybrids and pure fuels will compete in the Chinese market, with offense and defense shift...[Details]
Recently, China Renaissance Capital downgraded Tesla's stock rating from "buy" to "hold". According to reports, China Renaissance analyst Carson Ng kept TSLA's target share price unchanged at $346. T...[Details]
1 Introduction
At present, grating devices are widely used as sensitive elements for speed and position measurement in various servo drives and their applications. In addition, two orthogonal squar...[Details]
ST - Low Power RF
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