1. Detection of positive temperature coefficient thermistor (PTC):
When testing, use the multimeter R×1 block, which can be divided into two steps:
1. Normal temperature test (room temperature close t...
1) Enable the general purpose input and output port peripheral (GPIO).
2) Configure the corresponding GPIO port as a normal input and output port (select the multiplexing function in I/O multiplexing)...
[p=null, 2, center][color=rgb(51, 51, 51)]Static electricity from the human body, the environment, and even inside electronic devices can cause various damages to precision semiconductor chips, such a...
A variable defined as volatile means that the variable may be changed unexpectedly, so the compiler will not make assumptions about the value of the variable. To be precise, the optimizer must careful...
Chips are in short supply now, and I need a 3.3V to power an LED. Can I use 5V to connect two diodes in series to reduce the voltage to 3.6V as a replacement?...
1. Definition of GPIO 2. GPIO mapping 3. GPIO mode one of gpio.OUTPUT, gpio.OPENDRAIN, gpio.INPUT, or gpio.INT (interrupt mode); 4. GPIO related API pin = 1 gpio.mode(pin,gpio.OUTP...[Details]
/*
KS0108 128*64 LCD C language driver
Refer to ICCAVR data and online data to rewrite
LCD pin definition
1---GND
2---VCC
3---VLCD
4---D/I
5---R/W
6---E
7 to 14 D0-D7
15--CS1
16--CS2
17--...[Details]
On the afternoon of December 2, Apple today launched a firmware update for its Pro Display XDR professional monitor. This update improves the stability of the monitor and adds a calibrator appli...[Details]
Steps to light up the marquee using the GPIO of STM32 : 1. Create a new project: copy all the folders in the template, and delete the three files generated by the template Template in USER and the fi...[Details]
We are in an era of "big data" with explosive data growth. With the rapid development of the digital economy and the digitalization of all industries, "big data" has not only brought great convenienc...[Details]
Synchronous Detector Working Principle
The same frequency detector is also called product detector or coherent detector. Figure 5.5-17 is a block diagram of the synchronous detection pr...[Details]
Enthusiasts.com reported (by Liang Haobin) that the Hangzhou Asian Games had just ended. The robot dog that appeared in the track and field arena of the Asian Games was impressive. The robot dog is...[Details]
1. Application of Ultrasonic Technology Ultrasonic technology is widely used. For example, in the medical field, ultrasound can be used for two-dimensional imaging (B-ultrasound), three-dimensional i...[Details]
The China Academy of Information and Communications Technology (also known as CCID) released the "China Home Appliance Market Report for the First Half of 2021" (hereinafter referred to as the "Repor...[Details]
Abstract: The application of zero-current switching (ZCS) technology in half-bridge converter circuits is explained. The circuit principle and each working mode are analyzed, and the experimental resu...[Details]
According to Fast Technology, Angela Ahrendts, head of Apple's retail business, resigned last month, but she said she is still grateful for her experience working at Apple. It is understood that An...[Details]
Electromagnetic interference is generally radiated through space and conducted through wires. It has always been a difficult problem and research hotspot in the engineering field. As a high-power mod...[Details]
1. Introduction
In the face of new changes in the energy supply and demand structure
and new trends in international energy development, on June 13, 2014, General Secretary Xi Jinpin...[Details]
As the fourth generation of green, energy-saving, power-saving and long-life lighting fixtures, LED light sources have emerged, attracted widespread attention and developed rapidly. The current L...[Details]
1 Introduction
Since most radio stations use a fully transparent transmission method, as long as the frequency band is the same, the voice signal sent on the same frequency band ca...[Details]
Analogue and Mixed Signal
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