I found an nRF24l01 wireless module from a friend, and there is some information about it, but I am confused when I look at the code. I don't know where to start. I need some advice from an expert....
As shown in the figure below, STM32L15x has 4KB EEPROM. Now, I want to store a char data in it so that it can be read when it is powered on again. How to read and write the EEPROM of STM32L15x? Thank ...
Recently added 430DIY, about designing ultra-low power clockUpload a few external clock ICs and give some brief commentsThe most classic one is of course DS1302, because it is widely used, easy to buy...
[i=s]This post was last edited by qwqwqw2088 on 2020-12-13 17:43[/i]What I want to analyze for you is a Xiaomi wireless charger and Bluetooth speaker. This phone not only supports 50W wired fast charg...
I use Elan's 418N to generate a 20MS cycle, and then use the AD conversion value to adjust the duty cycle. The corresponding cycle value is 137, but the maximum value of 12BIT AD is 4096, which is muc...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[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]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
RF/Wirelessly
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