#inI am using 2 8421 coding switches and stc15w201s to make a 9.9 second delay switch. The following program does not work properly. Please give me your advice.
#includereg52.h
sbit timeup = P1^4; //D...
Last week, Espressif announced the launch of the low-power, low-cost ESP32-C2 chip, which is smaller in size and more powerful than the ESP8266. On the basis of meeting the needs of simple IoT applica...
TrueStudio flashes STM32 project and prompts Verify failed. Now I am helpless.
Compilation is OK, debug is burned to stm32103c8t6, it was normal before, burning other small projects is also normal,but...
This dynamic Near Field Communication (NFC) tag design outlines the required components and layout considerations, and provides firmware examples to illustrate how to implement NFC into applications s...
In the past few days, the Munich Auto Show has attracted much attention from Chinese car companies and supply chain companies, and there is even a "threat theory from Chinese car companies" permeatin...[Details]
Abstract: This application note introduces the DS1847 and DS1848, dual digital temperature-controlled variable resistors, to the industrial controls market. By temperature compensating the resistors, ...[Details]
(Image source: Nanoflowcell official website) According to foreign media reports, Swiss experimental car manufacturer Nanoflowcell announced that its prototype test sports car Quantino 48V has ac...[Details]
China Energy Storage Network:
Recently, affected by the continuous cold wave, the power load of the Tibet power grid has continued to rise. At 20:48 on December 1, the maximum power load of...[Details]
2019 is the year with the fastest mobile phone upgrades. We have welcomed the rise-and-fall camera and folding screen phones, and these changes have provided new space for full-screen phones. The gra...[Details]
With the demand for miniaturization, high performance, high reliability, safety and electromagnetic compatibility of electronic equipment in the industrial and consumer electronics market, new requir...[Details]
Technology giants such as Amazon, Google, Apple, and Microsoft have already launched virtual assistants based on artificial intelligence technology, such as Alexa, Google Assistant, Siri, and Cortana...[Details]
1. High-voltage fast charging has become an important solution to the charging problem
1. Charging anxiety needs to be solved
Shortening the charging time is currently the key to improvin...[Details]
Most electric vehicle fires are caused by battery fires, which are mainly caused by thermal runaway. Thermal runaway means that the power battery will generate heat when it is working. When the bat...[Details]
1. Design of switching power supply circuit
The switching power supply circuit in the system provides a stable voltage for charging the battery using a flyback switching power supply circuit. The fl...[Details]
Programmable amplifier that can be switched 8 times (3 bits) in the order of 1x, 2x, and 5x
Function of the circuit
The variable amplifier of the programmable amplifier that can set the magnif...[Details]
introduction Analog audio is greatly affected by the outside world and has poor stability. Therefore, digital audio gradually replaces analog audio and becomes the main form of modern audio...[Details]
Introduction
As energy and environmental issues become increasingly serious, high-power lighting LEDs with high efficiency, energy saving, environmental protection and long life as their main f...[Details]
On October 24, the ZeroBeam Full-Stack 4.0 Ecosystem Co-construction Summit with the theme of "Intelligently Driving the Future and Working Together for a New Era" was held in Shanghai. Dozens of t...[Details]