Selling a second-hand Xintang NUC123 development board, 40 free shipping. It is a bit broken, with two power supply ports, one end connected to the simulator and the other end not connected to the sim...
Generally, when there is too much dirt in the main pipe of the magnetic flap level gauge, the float will be stuck and affect the measurement, and maintenance is required at this time. It is necessary ...
Some time ago, I saw someone share the solution of Light Cube.
I'm excited to start
Directly place an order for PCB
Then all the purchased parts arrived.
Start patching
Look at the schematic diagram a...
The current situation is that I have a board without an Ethernet port, and now I need to communicate with the customer's server. I plan to use a software to receive the data sent by the board in real ...
[i=s]This post was last edited by fish001 on 2019-3-16 22:05[/i] No matter what program you port, the most important thing is, don’t think you must check the information first, spend a week looking fo...
I wrote a program for timer 4 overflow interrupt. I referred to the development board routine and found that the timing was inaccurate. The program did not determine the timer overflow interrupt flag....
According to THE ELEC, data recently released by market research firm Omdia pointed out that BOE's OLED panel shipments in 2019 were 7 times that of the same period last year, showing the strong mome...[Details]
When the inverter has a phase loss problem, how should we troubleshoot the cause? The specific analysis is as follows:
The working principle of the inverter is to convert AC into DC and then i...[Details]
The MAX16936 is a 2.5A current-mode step-down converter with integrated high-side and low-side MOSFETs designed with an external Schottky diode for improved efficiency. The low-side MOSFET enables fi...[Details]
On March 3, 2023, Huafeng Energy Storage and TÜV Rheinland Greater China (hereinafter referred to as "TÜV Rheinland") officially opened a chapter of strategic cooperation in Shanghai. This mark...[Details]
With the rapid development of mobile phone apps, mobile phone users are becoming more and more sensitive to the speed of mobile Internet access, and the demand for bandwidth is endless, so more and ...[Details]
SMD optocoupler is a type of optocoupler. Optocoupler is also called photoelectric isolator or photoelectric coupler, or optocoupler for short. So how to measure the quality of SMD optocoupler? It is...[Details]
1. Experimental tasks
As shown in the figure, the P0 port is connected to the character code pen segment of the dynamic digital tube, the P2 port is connected to the digit selection end of the ...[Details]
10.1.1 Main Performance of AT89C2051
AT89C2051 is an 8-bit microcontroller with 2K bytes of flash EEPROM produced by ATMEL. It has the following main features:
Compatible with MCS-51 product...[Details]
Abstract: TDACC™ technology is ROHM ’s own circuit and device technology and is a registered or registered trademark of ROHM. Generally, in smart power devices, MOSFETs generate heat due to back elec...[Details]
Use ZLG's dynamic link library for dynamic loading. ARM is Context-M3-1343. Host computer communication software developed in C++ Builder 6. The USB communication code is as follows: //-----...[Details]
On October 28, Great Wall Motors' open class officially started. This open class unveiled Great Wall's intelligent wire-controlled chassis system, a technical platform built with the goal of L4 and a...[Details]
1 Introduction Exhaust gas recirculation technology is one of the main measures to reduce engine NOx emissions. For turbocharged diesel engines, due to their large air-fuel ratio, a large EGR rate ca...[Details]
In some circuits that have strict requirements on electromagnetic interference, it is necessary to reduce the oscillation frequency of the crystal as much as possible. If a higher serial communication...[Details]
In the age of the Internet of Things (IoT) and Industry 4.0, intralogistics is playing an increasingly important role. The precise transport of goods and materials will become a key factor in effic...[Details]
Many people often focus on the lumens of LEDs, but pay less attention to the heat dissipation of LED lamps. In fact, the lumens of LEDs are increasing rapidly. In 2006, the lumen per watt of mass...[Details]