The precision voltage reference IC TL431 is a T0-92 package as shown in Figure 1. Its performance is that the output voltage can be continuously adjusted up to 36V, the operating current range is as w...
The schematic diagram is roughly like this:
The audio signal --------- passes through the PA power amplifier chip -------- and is output to the speaker.Now the question is:
What is the function of the...
This evaluation experiment uses RTC to obtain real-time time, uses I2C to obtain temperature data from the onboard sensor, and displays the time and temperature on the LCD screen.The code implementati...
[i=s]This post was last edited by YangTwo on 2021-9-1 19:34[/i]I mentioned the use of USART in my last review. This time I will try to get the data from the onboard light sensor and display it through...
The Arteli development board AT32F421 has two serial ports. In project development, serial ports are very important.
The printing of debugging information, the sending of control commands, etc. are mo...
Recently, there is a project that uses the computer's USB port for power supply. The device is connected to the computer via USB and uses a 3-meter cable. It is found that the voltage of the computer'...
On the 27th, the U.S. International Trade Commission (ITC) announced its decision to launch two 337 investigations on semiconductors and downstream products (investigation codes 337-TA-1176 and 337-T...[Details]
On the evening of January 11, according to the 2021 performance forecast released by Zhanrui Micro, the company expects a net profit of 2.005-2.157 billion yuan, a year-on-year increase of 91.09%-101...[Details]
Preface
With the improvement of living standards, the demand for intelligent furniture has gradually emerged, and the application of temperature, humidity and other data collection has begun to...[Details]
Note: The following measurement method takes the pointer type as an example. If you use a digital multimeter, please note that the connection between the red and black test leads and the internal bat...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Overview
The intelligent alarm systems currently on the market have relatively simple performance and are expensive. Some systems often issue alarms to notify the owner or alarm center onl...[Details]
In the high-performance stable platform servo system composed of servo motor and servo drive, it is necessary to obtain the servo motor's rotation angle and speed information in real time. High-spe...[Details]
1. EU market certification
1. CE certification
The "CE" mark is a safety certification mark and is regarded as
a passport for
LED
manufacturers to open and enter the Eu...[Details]
Single-phase motor
There are two coils in a single-phase motor, the main coil and the auxiliary coil. When a single-phase sinusoidal current passes through the main coil, the main coil will ge...[Details]
Servo motor encoder zeroing and alignment is one of the key steps to ensure precise control of the servo system. This article will introduce the methods of servo motor encoder zeroing and alignment...[Details]
In new energy vehicles, the motor and power battery are undoubtedly the key components, but there is another key device that is easily overlooked - the inverter. Whether it is a vehicle equipped wi...[Details]
There are quite a lot of them used in industry, and each type has different requirements when used. As it is commonly used in industry, people also need to pay attention to it when using it. This art...[Details]
1. Off-circuit detection
This method is performed when the IC is not soldered into the circuit. In general, a multimeter can be used to measure the forward and reverse resistance values between ea...[Details]
1. Configure the kernel First, modify arch/arm/plat-s3c24xx/Kconfig. The purpose of this step is to enable the SPI0 configuration function in the kernel. The modified content is as follows: config S...[Details]