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...
Samsung's S series and Note series have always been highly respected in the global high-end market, but due to their high prices, sales have always been limited. Therefore, Samsung has also l...[Details]
(1) Determine the temperature measurement range: The temperature measurement range is the most important performance indicator of the thermometer. Each type of thermometer has its own specific tempera...[Details]
We are all familiar with three-phase motors, whether asynchronous or synchronous, most of them have three lead wires, namely U, V, and W. Connecting them to the corresponding three-phase wires output...[Details]
The GDFR-C series AC and DC digital high-voltage meter consists of a high-voltage measuring part and a low-voltage display instrument. The high-voltage part and the low-voltage instrument are separ...[Details]
The control strategy of PFC
is divided into discontinuous current mode (DCM) and continuous current mode (CCM), as well as the critical DCM (BCM) between the two,
according to whether the inp...[Details]
This program measures the PWM high level time and cycle through two timers and one external interrupt, calculates and displays the duty cycle high level time in 1602. The data can be measured by simp...[Details]
1. Introduction
With the continuous development of automotive electronic technology, the anti-lock braking system (ABS) is an important part of the modern automobile safety system. The stabili...[Details]
Smart grid + high-speed information communication is the current development trend of the power grid. This digital trend has promoted the transformation of the entire power grid to digitalization a...[Details]
Reliable protection devices can significantly reduce the impact on signal integrity
Nijmegen, October 11, 2023:
Nexperia, the expert in essential semiconductor devices, today ann...[Details]
Working principle of magnetic float level gauge The magnetic float level gauge also works based on the buoyancy principle and magnetic coupling. There are three structures of side mounted magnetic fl...[Details]
I recently debugged the SPI program of STM32, and now I record my little understanding.
Understanding the SSM and SSI bits of the SPI_CR1 register of STM32
SSM bit, enables or disables sof...[Details]
Independent new energy vehicle companies are launching a round of "energy and technology revolution" to resist the onslaught from Tesla. The core of this defense war is the "battery", the heart of ne...[Details]
On August 2, State Grid Tianjin Electric Power Company completed the security information entry work for the Sino-Singapore Tianjin Eco-City power facilities. Various inspection technical indicator...[Details]
In recent times, the chip shortage problem is spreading within the industry. Solving the production shortage problem in the chip industry will cost a lot of money, but simply spending money is far fr...[Details]
my country has abundant wind and solar energy resources. After long-term research and unremitting accumulation, many new energy technologies and equipment manufacturing levels have become world leader...[Details]