Window Mobile 5.0 and later have good support for GPS. I can open the GPS device through GPSOpenDevice and use GPSGetPosition to get the location information, but I don't know how to get whether the c...
[i=s]This post was last edited by gmchen on 2017-9-29 14:58[/i] [align=left][font=微软雅黑][size=4]I hesitated for a long time to write about this topic. The main reason is that active filters are a fairl...
When I used Cosmic+STVP to convert the type, I foundthe following program:unsigned long u1;float s2u4;u1=47000000UL;s2u4=s2.U4;Experts please help!!...
[i=s]This post was last edited by jinglixixi on 2022-2-16 12:08[/i]The GD32L233C is equipped with a corresponding temperature detection channel, and the on-chip temperature can be detected with the he...
My USB synchronization function is not working again, so painful. Now USB synchronization (serial port) and USB OTG are integrated together, which looks so complicated. It is so hard to analyze where ...
[size=4]1. Use a multimeter to test the diodes and MOSFETs in the main current loop first. Check if there is a short circuit or if they are installed upside down. Test the inductance and leakage induc...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
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]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
Embedded System
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