I use msp430f149 and HC-SR501 to control the LED controlled by PWm of the microcontroller. After testing HC-SR501, it sometimes works and sometimes doesn't, and the LED cannot be controlled normally. ...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] Our company's latest research and development of alcohol, CO, breath test module can be attached to mobile phones, GPS, MP3 and ...
I found the following problem when porting the camera module from the 2.6.20 kernel to the 2.6.28 kernel. The code can run normally in the 2.6.20 kernel. Is there a change in the writing method of I2C...
I have some questions about using CAN_RAW_ERR_FILTER when programming with SOCKET CAN. I use a USB to CAN bus receiving box to connect to the development board. It can communicate normally. If CANL or...
Dear forum friends, I recently made a board to test the capacitance of capacitors. It uses constant current charging, the voltage change is given, and the capacitance is calculated through time. Now t...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing t...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
On August 21st, Zhiyuan Robotics revealed at its first partner conference that it expects shipments to reach thousands of units this year and tens of thousands next year. The company hopes to reach...[Details]
The complexity of the integrated circuits (ICs) used in electronic systems in vehicles is increasing. They aim to execute artificial intelligence (AI) algorithms to control autonomous driving funct...[Details]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
introduction
The widespread use of air conditioner communication circuits began with the rise of household inverter air conditioners. With China's energy conservation and emission reduction in...[Details]
summary
Modern cars strive to provide the same comfort and entertainment features found in the home, resulting in explosive growth in demand for electronic control units (ECUs). Howe...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
The power transmission system between a car's engine and drive wheels is called its drivetrain. It ensures the necessary traction and speed under various driving conditions, and coordinates these t...[Details]