There is a piece of board with an empty space on it, about 5CM*5CM. I happen to have a small board inside the 5CM*5CM area. I want to dig it out and make other small boards. How should I cut it in the...
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...
Motor stalling causes
Motor stalling is a situation where the motor still outputs torque when the speed is 0, which is usually mechanical or man-made. The motor cannot start or stops rotating ...[Details]
0 Introduction
In recent years, FPGA/CPLD has developed rapidly. With the continuous advancement of integrated circuit manufacturing technology, cost-effective FPGA/CPLD devices have been ...[Details]
The microcoulomb titrator is based on the microcoulomb principle. Various forms of sulfur (chlorine) in the sample are converted into sulfur dioxide (all converted into HCl) in nitrogen and oxygen at...[Details]
The three major A-share indices closed down today, with the Shanghai Composite Index falling 0.77% to 3347.19 points, ending its three-day winning streak; the Shenzhen Component Index fell 1.28% to 1...[Details]
Samsung Electronics unveiled its latest foldable smartphones, the Galaxy Z Fold 6 and Flip 6, at its Galaxy Unpacked event in Paris last week. Like the previous Galaxy S24 series, the two phones co...[Details]
The LED
industry can be mainly divided into three categories: upstream, midstream and downstream. The upstream is single chip and its epitaxy, the midstream is
LED chip
processing, and the d...[Details]
Apple is developing new products with its supply chain partners, including the so-called "AirPods Pro Lite" true wireless Bluetooth earphones. The report did not provide detailed information about...[Details]
introduction
With the continuous improvement of people's requirements for real-time signal processing and the rapid development of large-scale integrated circuits, digital signal proce...[Details]
The tube amplifiers made by many friends are not ideal. There are two main reasons for this:
1. Since the knowledge of tube circuits and their applications was only available in textbooks in the 1...[Details]
Electret microphone parameters
The parameters of the various performance indicators of electret microphones mainly include the following:
(1) Operating voltage (UDS). This refers to the m...[Details]
T/C0 is an eight-bit timer, which mainly has the functions of timing, external event counting, and generating PWM waveforms. Before using these functions, we must first set T/C0 to work in the approp...[Details]
Reference article: "【Mechanical Automation】BLDC Driver ESC". There are two biggest differences between controlling a brushless DC motor and controlling a brushed DC motor: 1. A brushed DC motor uses ...[Details]
Over the past decade and more, demand for Jägermeister’s premium German liqueurs has surged in markets including Asia, and with it the need for more flexible bottling and packaging. In particular, de...[Details]
TT Electronics adds ultra-high power chip resistors to its WHPC range, enabling better power density designs
New inverted thick-film chips offer two to three times the standard power...[Details]
Most serial memories are accessed using I2C or SPI interfaces, among which the SPI interface chips are the most, mainly including EEPROM, FLASH memory, FRAM and other types. Compared with parallel me...[Details]
PCB Design
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