The input signal is attenuated after being connected to the amplifier. The original voltage is 1.2V, but after being connected to the amplifier, only 0.9-1.0V remains. What is the cause? Is there any ...
In the last issue, we have eliminated A. In this issue, we need to display the letters AB at the same time, which requires two lvgl tags. How to do it? I thought of the structure:
struct Obj{char name...
I am learning about the UART module of msp430g2553 and want to send a string. However, I saw that the official program for sending a string only wrote the first character of the string. After download...
I created a library file myself, and the schematic generated PCB cannot import the components I created myself. When the error message is "unknown pin" and "failed to add class member"...
Recently, a simple car accident made the headlines. The general content was that a Land Rover rushed into a street coffee shop while parking. It was simple because there were no complicated doubts in ...
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
On August 20th, Tiantai Robotics Co., Ltd., along with strategic partners including Shandong Future Robotics Technology Co., Ltd., Shandong Future Data Technology Co., Ltd., and Gangzai Robotics Gr...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[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]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[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]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
Charging is an essential topic for electric vehicles. Batteries are a core component of new energy vehicles. So, what's the optimal charge level for electric vehicles? Based on current battery tech...[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]
This series of articles aims to help readers have a brief understanding of the Hongke KPA Automation system and to quickly get started with MoDK, including: an introduction to Hongke KPA Automation...[Details]
Since entering the electronic components industry, I've learned that electronic components come in different packaging types. Some people have argued that different types of components may look the...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
Which one has lower driving cost, electric vehicles or fuel vehicles? This is a topic of great concern to car users. Structurally, electric vehicles do not have mechanical transmission systems such...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
Analog electronics
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