【Foreword】
[Qinheng RISC-V core CH582] BLE lighting https://en.eeworld.com/bbs/thread-1195457-1-1.htmlI used E4A to make a small program for lighting a light, but that small program was a one-way cont...
GSM/WCDMA/TDSCDMA/LTE/5G NR frame structure,LTE：36_211_TDD_DL_FrameStructure.png5G: NR_Numerology_FrameStructure_u_0__NormalCP_38_211_01.png
The meaning and physical relationship of access channels, b...
I have three waveform inputs here, triangle wave, sine wave, and rectangular wave, and an external control voltage 0-10V
What kind of circuit or IC can select these three waveforms and output them sep...
I wrote a program for STM32F767AD sampling. I measured it and found that the AD port (PF4) has only 0.1V, but the sampled value is very large, 0x3c8, 0x3cb. [/backcolor] [backcolor=rgb(222, 240, 251)]...
In the previous section, we explained why we wanted to do such a project, and we proposed requirements, and based on the specific requirements analysis, we converted them into hardware design and dre...[Details]
Go to Taobao, buy a house, a car, and a plane...
Available online, priced at 2.39 million
In 2024, along with the “humanoid
robots
”, the “low-altitude economy” was also inclu...[Details]
When using an oscilloscope, the brightness may be abnormal. There are two reasons for the abnormal brightness of the oscilloscope. One is that there is a problem with the oscilloscope itself, and the ...[Details]
With the popularity of large screen
high definition
LCD TVs and plasma
displays
, digital TV broadcasting and high definition signal interfaces are becoming more and more po...[Details]
In FM broadcasting, due to the different power distribution of each frequency band in the signal, the level of music programs varies greatly compared with language programs. When the level is small, ...[Details]
Previously, we talked about how to light up an LED, including hardware circuits and programs. Today, let's talk about how to make an LED flash. There are two ways to control LED flashing with a...[Details]
With the development of society and the popularization of power facilities, power supply lines and electrical equipment are everywhere. Safe use of electricity has also become a focus of national p...[Details]
Lithium-ion batteries are notorious for frequent internal short circuits that can ignite the battery's liquid electrolyte, causing the battery to explode and start a fire. Now, engineers at the Unive...[Details]
Introduction
Accelerometers have always been an important component in acceleration testing. With the increasing application of micro-accelerometers, data signal acquisition and storage of micr...[Details]
Step 1: Circuit Diagram The circuit diagram is very simple; the whole project is powered by a 12V adapter. This 12V is then converted to +5V using two 7805 voltage regulators. One is labeled +5V a...[Details]
1. Internal RAM: There are 256 units in total. The user uses the first 128 units to store readable and writable data, and the last 128 units are occupied by special registers.
The first 128 units are...[Details]
1. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); //Enable GPIOC clock
Why do some CortexM3 peripherals need to configure the RCC clock before configuration?
Because CortexM3 is clock-driv...[Details]
Traditional internal combustion engine bench experiments have single functions, low test efficiency, and lack of a unified data processing system during the experiment. Equipment produced by differ...[Details]
In-wheel motors are common in concept cars, but few can actually be mass-produced. At the Paris Motor Show, Protean Electric and Renault jointly launched the ProteanDrive fifth-generation in-wheel ...[Details]
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