1. If the MCU has a serial port peripheral, plus a level conversion chip, such as MAX232, SP3485, it is an RS232 and RS485 interface.2. RS485 uses differential signal negative logic, +2~+6V represents...
[table=98%] [tr][td]1.What is the function of the cut-off frequency parameter in the ST motor library? [/td][/tr] [/table] [img=419,0]http://www.ing10bbs.com/data/attachment/forum/201812/19/193031cfii...
Nokia 8210 CPUNokia 8210 CPU can be replaced with Nokia 8250, 8850, 8855, 5210, 3210, 3310, 6210 CPU. The models are V11, V12, V16, V18, V19. Among them, 8210 and 8850 mostly use V11 and V18. When upg...
I am writing something about interrupts because of DC's invitation. I have only been in contact with 430 for a short time and can only share my own experience with you. Please forgive me if there are ...
Chemical composition during battery manufacturing is a time-consuming process involving multiple charging and discharging to activate the battery's chemical properties, and is particularly critical to...
1. Open the oscilloscope for use and find the button on the oscilloscope panel. 2. Calibrate the oscilloscope data to ensure preparation for measurement. 3. Connect the probe and signal genera...[Details]
On February 22, the signing ceremony for the establishment of the "Joint R&D Center for New Energy Storage Batteries" between Huafeng Power Co., Ltd. and the Shanghai Institute of Ceramics, Chi...[Details]
The fluctuation of K of various average velocity tube flowmeters under such low flow conditions is very large, which affects the measurement accuracy. The measurement of micro differential pressure le...[Details]
Abstract: Inverter is an important part of emergency power supply. In order to realize the timely adjustment of inverter output AC voltage in emergency power supply, reduce the output voltage harmonic...[Details]
The Principle and Design of High-Fidelity BTL Amplifier
This article introduces a BTL power amplifier circuit that does not require debugging, has high fidelity, and is low in cost. You can also s...[Details]
In the sound system, the speaker has the simplest structure, but plays the most important role. The speaker is the final link in the sound system and is the key device that converts electrical sign...[Details]
In the global panel industry, it is generally divided into two areas: large size and small and medium size. The former is mainly supplied to LCD TVs, while the latter is supplied to smartphones, etc....[Details]
0 Introduction
CDMA (Code Division Multiple Access) wireless network has the characteristics of wide coverage, high efficiency and low cost. The data transmission rate of CDMA network can reac...[Details]
Since Apple launched the AirPods series, TWS headphones have become the hottest market in the wearable device field in the past two years. According to the latest report from market research firm ID...[Details]
With the transformation of the automobile industry, the world is gradually entering the era of electrification. Currently, Chinese car companies and foreign traditional giants have "changed their off...[Details]
In recent years, almost every March, the Central China region has been plagued by power shortages. This seasonal power shortage is not due to insufficient installed capacity, but to a shortage of powe...[Details]
Today, advances in high-speed semiconductor technologies (e.g., RF-CMOS, GaN, and SiGe) are pushing the upper frequency limits of applications higher and higher, all the way to the microwave and mill...[Details]
Imagination Technologies has opened its IP technology for GPUs to the RISC-V International Open Source Laboratory (RIOS Laboratory) and established a cooperative relationship with the laboratory to b...[Details]
A soft starter is a device used to control the start and stop of a motor. It can effectively reduce the impact of the motor on the power grid and mechanical equipment when it starts, and extend the...[Details]
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