The Si3933 is a three-channel low-power ASK receiver that can be used to detect digital signals with a low-frequency carrier frequency of 15KHz-150KHz and generate a wake-up signal. The internal integ...
The first type: never accept projects that are just big promises.Some customers will enthusiastically find you and tell you how promising the project is, how large the shipment volume will be after th...
A movie is a dream. Rewatching classic movies is like revisiting old dreams. There are many movies worth watching twice. I recommend them to everyone. Travel through time and space in light and shadow...
Ku Wei, general manager of Alibaba Cloud IoT Division, once mentioned the difficulties in the implementation of IoT. For example, at the device manufacturer level: the connection of smart devices is u...
Today, we completed the sample user entry and the query by ID card number:
The main program is updated as follows:
# -*- coding: gbk -*-
#!/usr/bin/pythonimport time
import serial# 导入模块
import threadi...
1.Embedded softwaredesign emphasizes the efficiency and stability of the collaborative work of software and hardware.2. The results of embedded software usually need to be fixed in the target system's...
Steve Jobs once said: "The fairy child is like a mature dandelion. If you blow it gently, the seeds of entrepreneurship will fly in the wind." Ding Wen, deputy general manager of sales of Xuanzhi T...[Details]
Foreign car companies have started a trend of building cars in China. Following the completion of Tesla's Shanghai factory, Volkswagen also announced that it will build a factory in China, which clea...[Details]
introduction
In recent years, mobile phones are no longer just a simple communication tool. They have become portable entertainment tools and are expected to develop into reliable payment tools i...[Details]
On the 26th local time, the U.S. Department of Commerce announced that it would add 24 Chinese companies to the "Entity List" to restrict their access to U.S. technology, accusing these companies of ...[Details]
1 Introduction
With the development of social economy, DC motors have become more mature in theory and practice. For example, the double closed-loop speed control system has excellent operation...[Details]
Data show that the proportion of UPS host failure or abnormal operation caused by battery failure is about 1/3. However, in the process of using uninterruptible power supply system, people ofte...[Details]
Create a "virtual power plant" to reduce energy costs; launch "shared electricians" so that citizens can find electricians for door-to-door services without leaving their homes; interconnect chargi...[Details]
While fourth-generation (4G) cellular systems—LTE and LTE-Advanced—are still being widely deployed, research and development work on fifth-generation or 5G systems is already underway. Key attributes...[Details]
HT1381 is a serial real-time clock IC from Taiwan HT Company, operating voltage: 2.0V~5.5V, maximum input serial clock 500kHz (VDD=2V), 2MHz (VDD=5V); operating current: less than 300nA at 2V, less th...[Details]
Scaler module function details
We will use the following block diagram to explain the signal flow. Through various interfaces, such as VGA, HDMI, and color difference component int...[Details]
Low power consumption of microcontrollers Many microcontrollers have low power modes, and STM32 is no exception. After a system or power reset, the microcontroller is in operation, HCLK provides the ...[Details]
This time, debugging the hardware of stm8 was really hard. I didn't expect it to be so annoying! It took me 5 days to do it. I referred to many examples on the Internet and Fengchi's stm8 explanation...[Details]
The iPhone 12 does not come with a charger as standard, and Apple’s official explanation is “for environmental protection.” Apple said that by no longer including accessories such as power adapters...[Details]
1 Overview
The C8051F0XX series of MCUs are a new type of mixed signal system-level MCU launched by Cygnal. This series of MCUs contains the CPU core of CIP-51, and its instruction system is fu...[Details]
The auto-coupling step-down starting control cabinet is a commonly used motor starting device. It uses an autotransformer to reduce the starting voltage of the motor, thereby reducing the starting ...[Details]
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