Why does the same 422 driver chip have different signals and different output high levels? When passing a pulse signal with a pulse width of 10ms and 1Hz, the output high level is 4.5V, but when passi...
NB-Iot stands out as a narrowband Internet of Things technology in various industries, and its applications cover multiple fields. In this article, the editor of Jixun will explain the main applicatio...
[i=s]This post was last edited by ddllxxrr on 2021-5-16 15:55[/i]This chapter really shocked me, because I didn't understand a lot of the knowledge. This is how I have been for many years.
It’s quite ...
Data validity
The data on the SDA line must remain stable during the high period of the clock. The high or low state of the data line can only change when the clock signal on the SCL line is low.Start...
Source: https://www.icxbk.com/article/detail/986.html
PrefaceI have been working on motor control for half a year. The most basic motor control is the six-step square wave drive of the brushless DC mo...
Recently, the inspectors of Tianjin Chengdong Power Supply Branch received a report from the public that the owner of a residential community on Shisijing Road in Hedong District had privately modifi...[Details]
Samsung Galaxy Community officially announced that the internal beta test of One UI 3 for the Samsung Galaxy S20 series will begin soon. The internal beta test of One UI 3 is expected to be carried o...[Details]
Abstract: This article introduces the composition, working principle and error analysis of three types of ultrasonic ranging systems based on microcontroller control. This system and its design ...[Details]
Microchip Semiconductor recently launched an anti-static linear Hall sensor, the latest sensor in the company's HAL 83x series. This sensor can be applied to most automotive electrical system envir...[Details]
China Energy Storage Network:
The dazzling sunlight, white and scorching, tanned the face and burned the skin. The employees of China Power Engineering Nuclear Power Engineering Co., Ltd., wh...[Details]
On July 27, Advantech, a global IoT manufacturer, joined hands with SGS (SGS) and Lao Wang Hot Pot Restaurant (Lao Wang) to hold a forum titled "Protecting Food Safety, Building Hard Food Power, and ...[Details]
Sina Digital News reported on the afternoon of May 20 that the smartphone brand Nubia held an online press conference and officially launched the Nubia Z30 Pro phone. According to the officia...[Details]
1. Product introduction of Puyuan oscilloscope DS8000-R series: The DS8000-R series digital oscilloscope is a compact mid-to-high-end digital oscilloscope based on RIGOL's independent intellectual pr...[Details]
/*****************Read IO level***********************************/ void anjian(void) //Key control { if((!KEY==0)&&(ks==9)) //Greater than 1.9S, it is judged as a short press if it is re...[Details]
Theoretically, the shaft of the motor should not be electrified, and naturally no current should pass through the shaft; but for high-voltage motors, low-voltage high-power motors and variable-freq...[Details]
Recently, an interesting scientific and technological project is being promoted in the Quanzhou LED Industry Technology Innovation Strategic Alliance Technology Center: they are trying to use environ...[Details]
Zhang Kai, Chairman of Haomo Zhixing Source: Haomo Zhixing official At a time when the automobile industry is entering a transition period from the fuel era to the new energy field, facing a blue ...[Details]
In December 1957, the Shangyoujiang Hydropower Plant was completed. The 110 kV Shanggan Line from Shangyoujiang to Ganzhou transmits electricity to Ganzhou City. This is the earliest 110 kV transmi...[Details]
Recently, the hottest topic in the photovoltaic industry is none other than the "leader". After the Baicheng photovoltaic leader base bid for an on-grid electricity price of 0.39 yuan/kWh, the Dala...[Details]
Temperature probes and temperature sensors are two different devices that have their own characteristics and application scenarios in measuring temperature. This article will introduce the differen...[Details]