The hardware used is D1 MINI ESP8266
I want to use DHT11 to obtain temperature and humidity, save them as txt files in memory, and then send them via email regularly.
Is there an easy way to achieve t...
In today's society, most Chinese families have only one child. Parents love their children very much and are afraid that any trauma will affect their children's future development. Young parents, due ...
There are five main types of display screens: LED, LCD, OLED, AMOLED, and TFT. Which screen is more suitable for what occasion? What should be paid attention to in their driving circuits?...
The video uses an oscilloscope to test 1MHz sine wave, 1MHz square wave, 100KHz sawtooth wave, and 100KHz triangle wave. Fix the storage depth of the oscilloscope, then adjust the time base of the osc...
[i=s]This post was last edited by nich20xx on 2020-5-31 06:04[/i]Porting TencentOS tiny based on MSP430FR6972 platform
1 Introduction
TencentOS tiny is an RTOS for the Internet of Things with a small ...
1. Low noise amplifier (LNA)LNA is a special amplifier, mainly used in the front end of the RF receiver, which amplifies the signal received by the antenna with small noise and large gain. It is extre...
Recently, 91mobiles exclusively revealed that the production of Samsung Galaxy M13 5G has begun in India, which indicates that it may be launched soon. It will arrive as the successor to last y...[Details]
STMicroelectronics is strengthening its collaboration with Amazon (AWS) and Microsoft to expand the Internet of Things. On AWS, ST provides a reference that makes it easier and more secure to connect...[Details]
As the retail industry is developing into "new retail", the automobile industry is emphasizing electrical and automatic solutions, finance is driven by fintech, and manufacturing is empowered by the ...[Details]
In 2020, most of China's electric drive companies will withdraw from the competition in the new energy field. According to incomplete statistics, there were 380 registered new energy motor supplier...[Details]
Sony Electronics Inc. has announced new in-car AV receivers: XAV-AX6000 and XAV-AX4000. Both new AV receivers have new key features, such as fully wireless smartphone conversion, so drivers can use v...[Details]
On January 31, Freetech announced the completion of hundreds of millions of yuan in Series B+ financing, invested by CCCC Blue Fund, Qingyan Capital, and Yunxiang Wuzhen Strategic Layout, with Taihe ...[Details]
This article mainly introduces the application scheme of SD card in power monitoring and reactive power compensation data collection system. Design There are two points to note when using AT89C...[Details]
Recently, various revelations about the iPhone 14 series have emerged one after another, but based on information from multiple sources, the design plan for the entire series has basically been ...[Details]
To judge whether the optocoupler is good or not, you can measure the forward and reverse resistance of its internal diode and transistor in the circuit. The following three more reliable detection me...[Details]
In portable electronic products, higher power efficiency means longer battery life, and linear regulator efficiency = output voltage × output current / input voltage × input current × 100%. Therefore...[Details]
Recently, at the 2019 China International Intelligent Industry Expo, Academician Deng Zhonghan, the general commander of the "Starlight China Chip Project", founder and chief scientist of Vimicro Gro...[Details]
With the improvement of people's living standards, the status of cars in people's daily lives is becoming more and more important, people's requirements for cars are getting higher and higher, an...[Details]
Wireless sensor nodes (WSN) play a key role in promoting the development of the Internet of Things (IoT). The advantages of WSN are that it has extremely low power consumption, extremely small size,...[Details]
According to feedback from netizens on IT Home, Samsung recently pushed the beta firmware of One UI 2.1 to Galaxy Note 9 users. The latest test firmware version number of Note 9 is N9600ZCU4ETD6....[Details]
SiC modules enable higher power density in motor drives
The traction drive consumes almost all of the energy in an electric vehicle (EV). Therefore, the drive system must be as efficient as po...[Details]