I used a relay to switch the positive pole of the 24V power supply. After using it for a while, I found that when I disconnected the relay voltage, the relay was electrocuted but not disconnected.
The...
BLE CC2541 as low-power smart hardwareIntroduction: Recently, due to project needs, CC2541 is used to make a smart hardware similar to a Bluetooth bracelet, which can collect human body temperature, d...
Preface
This time, based on the timer's PWM output and segment code display, the function of a PWM generator is realized.
process
Based on LCD_TK.
Use the upper 4 digits to display the period, unit 10...
No time? Start here! This quick list summarizes the main points of the book. Read the main points of this chapter, and if there are any that interest you, check out the full explanations in the previo...
In the field of security, the traditional transmission in the network field is through wired networks. The current popular way is to use WiFi wireless network. The embedded interfaces include RJ-45, U...
Today, I saw a group of netizens chatting about the Hongmeng system in a development group.Start with a picture, then start chattingMartian netizens analyzed: This means that Hongmeng has integrated b...
The United States is about to completely ban the sale of novel flavored e-cigarettes! A complete ban on the sale of novel flavored e-cigarettes US President Trump met with the heads of the US D...[Details]
But the actual tube amplifiers made by many friends are not ideal. There are two main reasons:
1. Since the knowledge of electron tube circuits and their applications was only available in text...[Details]
This article uses a buck non-isolated switching power supply circuit to explain voltage ripple and inductor current measurement. Voltage ripple measurement: As shown in the figure above, the 1.2V o...[Details]
Beijing time, November 6 news, the Nazis during World War II knew very well that in order to win the war, they could not do without confidential military communications. Let's follow the mobile pho...[Details]
At present, my country's new energy has achieved the transformation from supplementary power source to alternative power source. The energy transformation system with new energy as the fulcrum is a...[Details]
The three-dimensional coordinate measuring instrument is a detector that can move in three directions and can move on three mutually perpendicular guide rails. The detector transmits signals in a con...[Details]
Under the careful organization and preparation of Technical Director Zhao Qi, Intelligent Control R&D and Design Department Director Wang Xin, and Engineering Support Department Enginee...[Details]
Glue usually needs to be tested for its solid content first. One of the primary criteria for measuring the quality of glue products on the market is the solid content in the glue. In the past, tradit...[Details]
Mouser Electronics signs global distribution agreement with Yazaki Corporation Provide users with high-quality automotive components February 9, 2023 – Mouser Electronics, a global authorized d...[Details]
Industry sources who work with Tesla and its suppliers say suppliers are bracing for pressure from Tesla Chief Executive Elon Musk and his team for further price cuts. Previously, Tesla announced sig...[Details]
The vertical degree disk is composed of the main grating, the indicator grating, the indicator grating seat, the shaft and the shaft sleeve. During the installation of the vertical degree disk, the ve...[Details]
Yes. A Wheatstone bridge is often used to enable instruments with low sensitivity measurement capability to measure the small impedance changes common in strain measurements. Instruments with high re...[Details]
In this section, Bingo will explain how to debounce the buttons in a single-chip microcomputer based on a code he wrote in the past. The code is as follows:
unsigned char key_scan(void)
{
if(key ...[Details]
The Korea Times reported that many experts have urged South Korean companies to relocate their production lines to other countries to reduce their dependence on China. The call came at the Korea Cham...[Details]
Planning systems are becoming more and more complete, projects related to new power systems are coming one after another, and companies are integrating and innovating across industries, with power gri...[Details]