I have recently encountered a difficult problem. I am designing a DC motor PWM speed control system. I use a 51 single-chip microcomputer, the main circuit is an H bridge, the keyboard is 4*4, the dis...
As the title says, I want to make a humidity measurement system, but I can't use a temperature and humidity integrated chip, so I would like to ask you for some advice on what sensor I should use. How...
What kind of professional knowledge is DVM digital voltmeter? My friend asked me to help him write a paper on this subject. Is there any book on this subject that you can recommend? Please tell me abo...
Can JTAG be connected in series via SWD? 6 On one side is STM32F030, which only has SWD interface, and on the other side is STM32F107, which has JTAG and SWD interfaces. How should it be designed? The...
The development of network video surveillance has gone through three stages. The early closed-circuit video surveillance system evolved from security products is the first generation of analog video s...
As the title says, I want to buy a set of black gold ZYNQ 7020/7010 development boards, with normal functions and no damaged components. If you are interested, please contact me as soon as possible, t...
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[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]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
"We have successfully launched the first version of our dedicated chip for EMB brake-by-wire. Second-generation samples have also been successfully completed, and we are actively planning a third-g...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[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]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
introduction
With the development of society, people's requirements for the quality of refrigerated and frozen foods are constantly improving. The changes in food appearance and nutritional co...[Details]
Facial recognition, a biometric technology that uses facial features to authenticate identity, has rapidly become a global market hotspot in recent years as the technology has entered practical use...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
introduction
A common voltage regulator is a three-terminal one. Its function is to step down the voltage and stabilize it at a fixed output value. Voltage regulators are commonly available in...[Details]
Renesas Electronics introduces a new USB-C power solution with an innovative three-level topology.
Improve performance while reducing system size
New solution combines excel...[Details]
Introduction: Traditionally, lead-acid batteries have primarily been used to provide backup power and power regulation based on location. In typical applications, the battery's actual use (discharg...[Details]
Blackfin® 16-/32-bit embedded processors offer high performance, low power consumption, flexible software features, and scalability, making them suitable for converged applications such as multi-fo...[Details]