1. Introduction
This is my first review post on EEWorld, and also the first development board of Lingdong MM32 that I review. Haha, it’s my first time, so I’ll say more. I’ve come into contact with ma...
I bought Zhou Ligong's development board, and used the UDA1341TS codec. It can play audio normally, but cannot record audio. I used a mic to input through channel 1 of the UDA1341, but I couldn't dete...
Dear experts in EDA/IC: I have a question here. When I do automatic PCB routing, other components can be routed automatically, but the lines around PIC16F 946 cannot be routed automatically (in DXP). ...
I checked the occupied interrupt numbers and found that the interrupt number I requested is not occupied and I have also set it to be shared. Why is it still wrong?...
Urgent! I accidentally selected local-disk-from tmage when backing up the ghost partition. As a result, after restarting, only the C drive is left. Can I recover the data on other drives? XP system, u...
GPIO part :
The GPIO of 811 can withstand 5V level and can communicate with 5V power supply. It is particularly important to note that in the series below 1000 , PB7\PC0\PC1\PC2\PC3 are reused with JT...
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is
non-contact measurement represented by
infrared temperature measurement
. Tradit...[Details]
Introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has shown an increasing trend year by year. In order to red...[Details]
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