The RISC-V single-board computer used in this trial provides us with 40 pin interfaces, including the SPI interface. WhatI want to share today is how to use SPI to drive the ws2812B colorful lamp bead...
1. Battery voltage detection .
2. Voltage displayed on LCD1602
3. When the voltage is lower than 2.6V, the indicator light flashes.
4. When the voltage is higher than 3.3V, the indicator light flashes...
"Electromechanical System Testing and Control from Entry to Mastery" is aimed at the professional knowledge background of undergraduate graduates majoring in electromechanical engineering. First, in t...
The picture shows an LCD power supply circuit. Boosting 5V to 9.6V is a normal boost circuit. I would like to ask about the generation principle of +18V and -7.5V....
An example of troubleshooting a trigger failure on a Tektronix TDS7254 oscilloscope1. Instrument model:Tektronix oscilloscope TDS72542. Fault phenomenon:The customer reported that after the oscillosco...
I want to sample at the start and end of the effective vector of svpwm. The method I have thought of now is to use the ADC's s/w software trigger, but I don't know how to use the software trigger. How...
At the "China in the Past Decade" series of themed press conferences on the morning of June 14, Xin Guobin, Vice Minister of the Ministry of Industry and Information Technology, responded to a questi...[Details]
The automotive industry is developing sophisticated sensing technologies at a rapid pace to improve road safety and help reduce accidents. Today, advanced driver assistance systems (ADAS) are driving...[Details]
According to DRAMeXchange, a memory storage research company of TrendForce, the contract price of DRAM in August this year was the same as that of the previous month, and the average price of DDR4 8G...[Details]
The frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working pow...[Details]
January 26th news: OPPO recently announced a set of invention patents for "anti-collision reminder methods, devices, vehicle-mounted equipment and storage media" and "distance measuring devices, dist...[Details]
Magnetic flap level gauge products can achieve high sealing and leakage prevention and can measure liquid levels safely and reliably under high temperature, high pressure, high viscosity and strong c...[Details]
Abstract: A soft-switching single-cycle control AC/DC converter is proposed. Taking the Boost circuit working in the current discontinuous state as an example, the working principle of the circuit ...[Details]
introduction
As the level of automobile intelligence increases, the intelligent functions and entertainment attributes of automobiles have become the key directions for OEMs to creat...[Details]
Instant delivery is a new type of service format that has developed rapidly in recent years. It started with food delivery and now has spread to supermarkets, fresh food, agency, near-field retail, e...[Details]
According to news on November 1, the United States suddenly announced last month that the latest AI chip controls would take effect ahead of schedule, which resulted in Nvidia having to cut off suppl...[Details]
The number of TV streaming and video streaming devices worldwide now exceeds 1.1 billion, according to a new study from Strategy Analytics’ TV Streaming Platforms service. The study, which tracks qua...[Details]
China Energy Storage Network News:
——Interview with Zhao Dongyuan, Director of the Policy Research Office of Tsinghua University Energy Internet Innovation Institute
Our reporter Meng Ra...[Details]
Part 1 Environment setup and tool installation 1.1 Setting up the cross-compilation environment Install related compilation tools: sudo apt-get install build-essential gcc-arm-linux-gnueabi Here I...[Details]
Because the compiled UBOOT written to FLASH always failed to run several times before. So what should I do? After thinking for a long time and checking the source code, I still didn't find the prob...[Details]
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