As the title says, I want to use 74HC165 to scan in 8 key signals, but when testing, I found that key 5 has no response when pressed. What is the reason? The reading procedure is as follows: CommandCo...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:45[/i]If the input AC is 200~240V, 50Hz; now the output DC voltage needs to be ≤10V.
What should the schematic diagram look like? What chip s...
[p=26, null, left][color=#000000] [/color][/p][p=26, null, left][color=#000000]TMS320F28335 generates a multiplied clock signal CLKIN through an external clock signal, OSC and PLL. After CLKIN passes ...
I used to play with 51, but I didn't use assembly, I used C. Now I plan to go from 51 to 32 and then switch to ARM. I wonder if the forum friends have any suggestions. Thank you.
Suggestions are welco...
[size=2]The EU has three directives related to medical devices, namely the MDD (Medical Electrical Devices) Directive, the IVD (In Vitro Diagnostic Devices) Directive, and the AIMM (Active Implantable...
"We have successfully launched the first version of our dedicated chip for EMB brake-by-wire. Second-generation samples have also been successfully completed, and we are actively planning a third-g...[Details]
Facial recognition, a biometric technology that uses facial features to authenticate identity, has rapidly become a global market hotspot in recent years as the technology has entered practical use...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
The Importance of Intelligent Motion Control in Smart Manufacturing
Intelligent motion control is a core building block of smart manufacturing, enabling highly flexible and efficient manufactu...[Details]
Annual increases in global carbon emissions are leading to global warming and melting polar glaciers, necessitating urgent environmental solutions. Countries around the world are seeking better sol...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[Details]
The input of a power amplifier is a DC voltage, while the input of a voltage amplifier is a current.
The transistor outputs signals in the following ways:
DC output: The transistor will g...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
On August 8, PetroChina Southwest Oil & Gas Field Company's 35kV Zhouping Line centralized battery energy storage system successfully completed a 24/7 trial run, achieving full compliance with all ...[Details]
In today's rapidly evolving world, physics and its fields are undergoing unprecedented transformation. Keeping pace with the times, Tencent Technology
has launched a full-stack AI edge compu...[Details]
1. One-way starting control circuit
1. Circuit operation analysis
1) Close the power switch QS and press the start button SB2. The contactor coil KM is energized, the normally open ...[Details]
1 Introduction
Driven by the rapid development of information technology, the pace of television digitization has accelerated. The transition from analog to digital television has significant...[Details]
Recently, a friend asked in the background: the recently released Yangwang U8L uses the RoboSense M1P, a long-range LiDAR, for its lateral LiDAR, while the Zunjie Wenjie series uses a TOF solid-sta...[Details]
Infineon Technologies recently announced a special donation and other support for the "Greening the Yangtze River" project, jointly launched by the Beijing Entrepreneurs Environmental Protection F...[Details]
Microchip MCU
京公网安备 11010802033920号
EEWORLD
