Using the YF017 music chip in the picture below, different sounds can be played by sending out several pulses. Does the following code send out a single pulse? How can we send out multiple pulses to m...
I would like to ask if you know of a module that can output multiple TTL signals using an Ethernet port. I searched online but couldn't find a suitable one....
I want to make a charging circuit to charge 1860 batteries using a TYPEC interface. Since there are many types of chargers, I want to implement a charging circuit that can adapt to a wide range of vol...
[i=s] This post was last edited by ddllxxrr on 2018-10-28 07:39 [/i] This microcontroller clearly states that it is powered by 2.5~5.5V. Voltage conversion means voltage conversion. This puts me under...
First of all, I am very grateful to the EEWORLD community and teacher "Zhang Jindong" for their strong support. I am honored to have the opportunity to evaluate this board. Today is the weekend. I jus...
Image: El Paso Electric via Facebook.
El Paso Electric will purchase power projects that include 100 MW of energy storage facilities through a competitive bidding process.
...[Details]
Introduction The core of the embedded system is the embedded microprocessor and embedded operating system. The hardware core of early embedded systems were various types of 8-bit and 16-bit microc...[Details]
When you first learn about single-chip microcomputers, you will always encounter many problems related to crystal oscillators. In fact, the crystal oscillator is like the human heart and the pulse of...[Details]
The timer article was quite difficult. Many small problems occurred during the process. Some of them were solved, but some are still not fully understood. These problems are mainly concentrated in th...[Details]
We always talk about 8051, 8031, and now there is 89C51 and 89s51. What is the relationship between them? MCS51 refers to the general name of a series of single- chip microcomputers produced by th...[Details]
According to the People's Daily, on December 8, the 2020 Shenzhen Global Investment Promotion Conference was held. At this conference, 40 major projects were signed and displayed, involving new gener...[Details]
In the process of using network analyzers, many engineers will have some errors, and these errors include: drift error, random error, and systematic error. These three types of errors are also common...[Details]
STM32Cube is a comprehensive software platform covering every family of ST products. The platform includes the STM32Cube Hardware Abstraction Layer (an STM32 abstraction layer embedded software that ...[Details]
When I was testing the circuit board, I found that one circuit board could not be programmed. So I checked:
1. There is no problem with power supply and ground
2. Use an oscilloscope to measu...[Details]
At any period Ts, the output voltage of the switching regulator (Buck) is Uo=UdcTON/Ts, which raises a question, that is, whether there is an optimal period and what is the basis for period selecti...[Details]
background
One of the major trends in patient care is the increasing use of remote monitoring systems in the patient's home. The reason for this trend is obvious, as the cost of keeping patients in...[Details]
IC+emitter cross output front stage
Since this PCB board will be used in the future headphone amplifier circuit, it should be stated that the requirements of the headphone amplifier an...[Details]
As a complement and companion to the lithium battery industry, whether the hydrogen energy industry can take up another "big banner" of new energy, its technological research and development progress...[Details]
The PIC microcontroller is a small computer PIC microcontrollers have computing functions and memory like a CPU and are controlled by software. However, the processing power-memory capacity is very...[Details]
Why is Sensor Calibration Necessary for Autonomous Driving?
Sensor calibration is the basis of autonomous driving perception and planning tasks. First, the perception results of each sensor ne...[Details]
FPGA/CPLD
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