When using the FatFs module's f_open() and setting the mode parameter to FA_ALWAYS_CREATE | FA_WRITE, the error FR_WRITE_PROTECTED is returned, but the SD card write protection is not enabled. Please ...
Dear experts, please help me: I am using EP9307+WINCE4.2. NET, and now I want to use TFT screen for display. In the BSP package, I need to set the following parameters. Can any expert help me? What do...
[i=s]This post was last edited by jesse00 on 2019-3-8 13:12[/i] [color=#363636][font="][size=14px]1. Overview[/size][/font][/color] [color=#363636][font="][size=14px] There are three main Zigbee packe...
[i=s]This post was last edited by 1nnocent on 2022-7-17 10:55[/i]The function realized in this experiment is to control 16 LED lamp beads with a 16-bit dip switch.The compiler software used by the Anl...
Timer ( LED flight status light, indicator light flashing)
1. Introduction to TimerThe timer has a timing function, which is similar to the "alarm clock" in life . The timer can be used to generate pr...
When we usually write programs, we may not study too much about whether to use synchronous reset or asynchronous reset, whether to need a reset signal or not (at least this is the case for me). Most o...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[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]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
I. Introduction
The use of electronics in cars dates back to the early 20th century when electric starters replaced hand cranks. Automotive electronics became popular in the 1960s with the...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
PID is proportional differential adjustment. You can refer to the detailed introduction in the automatic control course for details! The positive action and the negative action in temperature contr...[Details]
1 Introduction
The coke oven gas recovery system is mainly composed of a gas tank and a pressure reducing station. While realizing the recycling and reuse of coke oven gas, it also plays an imp...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
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