I use keil4.72, SDK5.1, Bluetooth protocol stack 6.00. The phenomenon is: for the same board I drew myself, when I download the project created by others, the phone can search for Bluetooth broadcast....
This team is a startup team of old Huawei people. We mainly develop integrated smart phone terminals. I have a master here. We urgently need screen drivers and DSI experts. We just need to communicate...
[color=#4f4f4f][font="]1) COMS circuit is a voltage-controlled device, its input total impedance is very large, and it has a strong ability to capture interference signals. Therefore, do not leave unu...
[code]void SPI_Init()
{//----------- IMPORTANT: By default, the internal clock is disabled.To configure the controller ------//we must first enable it.StartSPIClock();// ----------------------Configur...
Dear experts, I want to use 51 to control SIM300 to send and receive data through the serial port. Now I have connected the SIM300 module and 51 experimental board through the serial port, but the mod...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
According to foreign media reports, researchers at the University of Surrey have developed an artificial intelligence system that can accurately locate the location of equipment in densely populate...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Laird Thermal Systems has introduced the HiTemp ET series Peltier cooler modules, which can operate at high temperatures and provide on-site cooling for sensitive electronic devices.
Dig...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
HTTP is the abbreviation of Hypertext Transfer Protocol. It is an application protocol based on TCP/IP communication protocol used to transmit HTML and image files. It is an application-level objec...[Details]
Shanghai, China, August 21, 2025 –
Toshiba Electronic Devices & Storage Corporation (“Toshiba”) today announced the launch of the TLX9161T
, an automotive photorelay in a compact SO12L-T pa...[Details]
Embedded System
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