After studying other BLE products, I found that many BLE devices include Device Inforamtion service, which contains information such as device manufacturer, device software and hardware version, produ...
Now it is possible to send data from the computer to the microcontroller via ch340 to serial port, and the microcontroller communicates via serial port and sends data to another computer via ch9328. S...
The first program starts with flashing lights. Before programming, you need to install the development software, including IDE and compiler (you can refer to this post: https://en.eeworld.com/bbs/thre...
Power supply competition questions have always been a must-have topic in the electrical competition every year. From the previous competition questions, we can see that "power supply" competition ques...
The e-sports competition has entered the countdown, and friends who are participating in this year must be almost ready!Friends who are participating in the competition for the first time this year, p...
[align=left][color=rgb(51, 51, 51)][font=微软雅黑, sans-serif] [/font][/color][/align][align=left][color=rgb(51, 51, 51)][font=微软雅黑, sans-serif]Nikon has recently developed a small lithium-ion secondary b...
There are many types of smart homes, and various devices are incompatible, but this situation is expected to change recently. According to foreign media reports, Amazon, Google and Apple reached a ...[Details]
1 Introduction With the improvement of people's living standards, various electronic products have developed by leaps and bounds, and electronic measuring instruments have gradually become richer and...[Details]
Transformer load detection is to conduct system-level tests on the insulation impedance, withstand voltage, no-load characteristics and other parts of the formed transformer. The test challenges ar...[Details]
Let's take a look at the Boot Block. The Boot Block is a piece of code that is fixed in the chip by the manufacturer when the chip is produced. This code is first run after the ARM is reset. The fo...[Details]
When the fluid that fills the pipeline flows through the throttling device in the pipeline, the flow beam will form a local contraction at the throttling device, thereby increasing the flow rate and ...[Details]
0 Introduction
With the rapid development of the economy, the demand for electricity is increasing, and the number of electricity meters is also increasing rapidly. At the same time, the q...[Details]
On October 14, Jierong Technology released its performance forecast for the first three quarters of 2021. The company's net profit in the first three quarters was 6.5 million yuan to 9 million yuan, ...[Details]
Recently, two new energy projects with a total investment of 3.5 billion yuan settled in Gongyi, Henan. After these two wind power and lithium battery projects are put into production, the proporti...[Details]
Here we have made some modifications to change the range and the 6-digit LED display:
/************http://hi.baidu.com/zhangjiayue123/home********************************** *******
...[Details]
1. The meaning of Mitsubishi PLC indicator lights
1. Input indicator light
The ones marked with "IN" are input indicator lights. Each indicator light corresponds to an input signal of the...[Details]
Modern telecommunication systems have very high requirements for the quality of DC power supply voltage. The voltage is not allowed to be interrupted instantly, and its fluctuation, transient and nois...[Details]
Midea's first global HarmonyOS refrigerator BCD-603WKGPZM was recently launched on Huawei Mall. The original price was 7,999 yuan, but it is currently discounted by 1,000 yuan for a limited time, bri...[Details]
The processor used here is C8051F005. The infrared receiving head is connected to the processor pin, and the key data is received in interrupt mode. 1. Introduction to PCA 1.1 PCA The Progr...[Details]
Comply with the new Open Eye MSA protocol requirements to promote the application of 50G to 400G optical modules Extends MACOM’s leadership in high-performance CDRs, drivers and TIAs to reduce ...[Details]
According to foreign media reports, recently, Jinsang Kim, a researcher at the University of Michigan, and his colleagues have developed a new
organic material
. This pure organic compoun...[Details]