When I read and write the SD card, FR_NOT_READY is always returned. The waveforms of the CD and DATA0 pins measured with an oscilloscope are abnormal. The SD card is powered by 3.3V and the processor ...
After many rounds of repeated testing, the first version of our forum app is now online! It does not take up memory, and you can easily browse the forum by scanning the code. Welcome everyone to exper...
It is very common to use a single-chip microcomputer. However, in FPGA, due to floating-point arithmetic problems, it is troublesome to use PID.
The following is a PID Verilog program I designed. It s...
[size=14px]Ubuntu 16.04 [/size]Compile C++ program. Error: expected class-name before '{' token { The error location uses the inherited class CompressedDepthSubm: public CompressedDepthSubscriber libr...
GigaDevice GD32E231 DIY Contest—— An introductory example of IoT based on MQTT message communication GD32E231+ESP8266 implements Wi-Fi remote temperature and humidity acquisition, control and network ...
[i=s]This post was last edited by Beifang on 2019-7-17 16:57[/i]1. Brief introduction - Health and exercise assistant based on Nucleo-L476LThe Nucleo-L476L-based health and sports assistant is a proto...
Synaptics, a leading developer of human-computer interaction solutions, today announced that BYD Auto, a well-known Chinese automobile brand, has selected Synaptics' advanced touch solutions for its a...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Beginners often don't understand fuses. AVR chips use fuses to set the clock, boot time, enable some functions, BOOT area settings, and of course the most troublesome bit for beginners. If you don't s...[Details]
How to correctly choose a ground resistance tester? At present, there are hundreds of ground resistance testers on the market, both imported and domestically produced. In summary, there are only three...[Details]
The usage of embedded operating systems for ARM microprocessor architecture has continued to grow in recent years. Among various embedded operating systems, Linux is the third most supported forc...[Details]
Introduction to STC MCU The STC microcontroller is an enhanced 51 microcontroller, fully compatible with MCS-51, and has added new functions, such as two levels of interrupt priority, one more ex...[Details]
Super-Junction MOSFET devices, based on charge-balanced technology, offer outstanding performance in terms of both reduced on-resistance and parasitic capacitance, which usually require a trade-off...[Details]
Things to keep in mind when using a multimeter: 1. The switch must be placed in the position to be measured and must not be mistaken. When measuring voltage, if it is placed in the resistance or curr...[Details]
High reliability, powerful functionality, high speed, low power consumption and low price have always been important indicators for measuring the performance of microcontrollers, and are also necessa...[Details]
The new Honor 20S will be officially released in Wuhan. As "Honor's most powerful selfie phone", Honor has just announced its biggest highlight: a 48-megapixel ultra-wide-angle triple camera. ...[Details]
With the rapid advancement of LED display technology, the dot pitch of LED displays is getting smaller and smaller. Now the market has launched P1.4 and P1.2 high-density LED displays, which have b...[Details]
Embedded systems have been developing rapidly due to their high cost-effectiveness and short development cycle. The development of various applications based on ARM processors is in full swing. Here ...[Details]
What is a current transformer?
When measuring large alternating currents, it is necessary to convert them into a relatively uniform current for the convenience of secondary inst...[Details]
introduction
Based on the basic performance requirements of new energy vehicle drive motors, the commonly used drive motor types currently include three main categories, namely AC asynchronous...[Details]
Different types of objects emit infrared light in specific bands, which are outside the visible light band. Therefore, people can use this specific band of infrared light to detect and track objects. ...[Details]
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