1. Introduction to CPK-RA6M4 development board
This development board is designed based on Renesas R7FA6M4AF3CFB, and it has the following features:144-pin LQFP package200 MHz Arm Cortex-M33 core with...
Over the past 20 years, IEEE 802.11, commonly referred to as Wi-Fi, has grown from 2 Mbps to Gigabit-plus speeds, a 1,000-fold increase in throughput. The standard has continued to evolve with the int...
[i=s]This post was last edited by Aguilera on 2020-3-12 21:55[/i]The multi-string RGB LED lighting design uses high-resolution dimming to achieve independent multi-string LED lighting, which is ideal ...
Smart home systems face the challenge of far-field audio acquisition. Existing smart home systems have difficulty acquiring and understanding voice commands in noisy environments due to a limited numb...
In the MSP430 microcontroller, one clock cycle = the inverse of the MCLK crystal oscillator. If the MCLK is 8MHz, then one clock cycle is 1/8us.
One machine cycle = one clock cycle, that is, each acti...
Author: Zhou Wei, a member of Yibo Technology Expressway Media
Why can't the impedance test range be the entire line segment but the 30% (50%) ~ 70% segment? Last time, Lei Bao was too embarrassed to ...
Industrial Ethernet needs to continue to increase speed and improve latency performance to adapt to the new needs of factory automation. Engineers have achieved these conditions by adopting 100 Mb/s ...[Details]
On June 4, Digitaltimes reported that sources said that in addition to Samsung Display and LG Display, Chinese panel maker BOE will also become an OLED panel supplier for Apple's 5G iPhone. Regardin...[Details]
I have been working on the power consumption of PIC microcontrollers for the past week. Since the project is powered by batteries, the power consumption issue is very important. According to the data...[Details]
Figure 1 is a typical OTL circuit. C1 in the circuit is called a bootstrap capacitor. What is its role in the circuit? For the convenience of analysis, Figure 1 is simplified as Figure 2.
I...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The circuit is shown in the figure. Assume that the input signal is divided into 8 channels: U11~U18, and two CD4066s are required. The control signal is provided by the CD4017 beat generator. The be...[Details]
Wang Jun, a researcher at the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences, collaborated with Zhang Long, Zhao Quanzhong, and Werner Blau, a foreign expert speci...[Details]
The transfer characteristic curve of the field effect tube shows the curve relationship between the drain current ID and the gate-source voltage Vcs when the voltage V舾 applied to the drain and sourc...[Details]
NetEase Mobile News: Double 12 is coming, so how can you find a mobile phone that is affordable and has powerful photography functions? Take this opportunity to share the blockbusters shot by photog...[Details]
The hardware circuit design of a single-chip microcomputer application system includes two parts: one is system expansion, that is, when the functional units inside the single-chip microcomputer, s...[Details]
The control of the frequency converter is nothing more than the basic logics of start, stop, forward, reverse, and speed regulation. These logics basically require the level state to be valid, rath...[Details]
Calculation of transformer no-load loss, load loss and impedance voltage
No-load loss: When the secondary winding of the transformer is open-circuited and the rated voltage of the rated fr...[Details]
PLC currently has 5 standard programming languages, including graphical programming languages and textual programming languages.
Graphical programming languages include:
Ladder Diag...[Details]
On November 6, it was reported that researchers at the University of Southampton in the UK are conducting a breakthrough experiment to test a drone equipped with an innovative "nervous system".
...[Details]