Author: Zhou Wei, a member of Yibo Technology Expressway Media
Since the lab had the instrument, Lei Bao suddenly became interested in the principle and test of impedance. Whenever he had a chance, he...
Right leg drive circuitThere is a right leg drive circuit in the ECG detection. What is the function of this circuit? Why is it called the right leg drive circuit? Can't the left leg drive circuit be ...
[Ask if you don't understand] [1] I saw that the encoder output signals of a servo motor are SINA, COSB and Pz. Although it is an ABZ signal, it should be a typical sine-cosine encoder. What is the si...
OPENMV Module IntroductionOPENMV is an open source, low-cost, powerful machine vision module. With STM32F767 as the core, it integrates the OV7725 camera chip. On this compact hardware module, it effi...
Hello, everyone!LED color temperature adjustable secondary output circuit, what is the function of the red circled part in the figure? Please advise! Thank you...
[size=4][color=#252525]The numerical representation of fixed-point DSP chips is based on the 2's complement representation. Each 16-bit number is represented by l sign bits, i integer bits, and 15-i d...
1. Experimental tasks Use the AT89S51 timer/counter T0 to generate a 2-second timing. Whenever the 2-second timing arrives, the replacement indicator light flashes. The frequency of each indicator fl...[Details]
4. uCOS configuration uCOS is a scalable real-time operating system. It can tailor unused kernel functions according to actual applications to further save valuable system hardware resources. The com...[Details]
01 1. Timer
1. The S7-200 SMART CPU provides three timers: on-delay timer (TON), hold-on delay timer (TONR), and off-delay timer (TOF).
2. Timer number and resolution
...[Details]
Streetlights are the main component of urban lighting projects. At night, streetlights play a very important role. However, while streetlights play an important role, they also consume a lot of ener...[Details]
BYD Microelectronics and Shenzhen Ruiling Industrial Co., Ltd. (hereinafter referred to as Ruiling Industrial) plan to carry out in-depth exchanges and cooperation in power devices, current sensors a...[Details]
In our daily life, electronic keyboards, attendance machines, doorbell reminders, voice toys, game consoles, fingerprint locks, etc., in order to restore the sound well, usually have MP3 decoding c...[Details]
According to foreign media reports, the British government said that it will test wireless charging taxis in Nottingham. The entire plan will last for six months, and the British government will inve...[Details]
In engineering, nondestructive testing (NDT) is often used to detect defects in equipment and components. Traditional NDT methods include ultrasound, eddy current, magnetic powder, coloring, etc. How...[Details]
On February 27, Jinguan Co., Ltd. and Shanghai Ronghe Yuanchu Energy Co., Ltd. (hereinafter referred to as "Ronghe Yuanchu") signed a strategic cooperation agreement in Shanghai. Xie Lingjiang, Cha...[Details]
The appearance and pin functions of the LCL331 multi-bit display combination device are shown in the figure.
Each display assembly of LCL331 includes: decade counter - register - seven-segment...[Details]
Under the current situation of imbalance between electricity demand and production, the most effective way to cope with it is to improve energy efficiency, that is, to use technology to perform the s...[Details]
Using a frequency converter to control a slip ring motor can achieve stepless speed regulation of the motor, improve the efficiency and accuracy of the motor, and reduce noise and energy consumptio...[Details]
On December 6, CITIC Securities released information disclosure on the filing of Foshan Weida Optoelectronic Materials Co., Ltd.'s public offering of shares to unspecified qualified investors and lis...[Details]
According to foreign media reports, recently, the British consumer rights organization "Which?" filed an antitrust lawsuit against Apple on behalf of approximately 40 million iCloud users, accusing...[Details]
PCB Design
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