This article explains how to use the human body sensing module HC SR505. We use an LED to indicate whether a person has walked into the sensor. When a person walks in, the LED indicator lights up, and...
Preface: VScode is already available on the computer, and ESP32 development is perfectly supported on VScode. Next, use VScode to install the esp32 development environment.VSCode official website addr...
Several states of microcontroller IO port output1. What are the differences between the open-drain output and open-drain multiplexed output of a microcontroller?2. What are the differences between the...
[i=s]This post was last edited by freeelectron on 2019-10-14 17:15[/i]You can replace it with sensors, NBIOT, WIFI development boards, etc. If you like it, please contact us.
The above are all officia...
A long time ago, when I was still using Turbo C 2.0 to write programs, I saw setjmp() and longjmp() functions when browsing library functions in the help function, but I never understood what they wer...
Shenzhen is a first-tier city. As people's living standards continue to grow, the imported home appliances market has also entered people's daily lives. Therefore, variable frequency power supply m...[Details]
Since the advent of the AVR microcontroller, it has received widespread attention. It is a high-speed microcontroller that uses a reduced instruction set and uses the clock cycle as the machine c...[Details]
The 74HC595 has an 8-bit serial-input and parallel-output three-state gate circuit.
High speed: up to 55MHz (5V operating voltage)
Wide operating voltage range: 2V -6V
Maximum current value of ea...[Details]
Today, the Electrician Forum will discuss with you how to learn single-chip microcomputers. Welcome to criticize!
1. To learn single-chip microcomputers well, it is best to have some knowledg...[Details]
The battle between Waymo (the self-driving company under Google's parent company Alphabet) and Uber finally came to an end last week, and the two sides finally reached a settlement. Let's follow t...[Details]
In the design of the electrical parameter instrument, the data collection is performed by the microcontroller AT89C52, and the host PC is mainly responsible for communication (including serial commun...[Details]
Abstract: Forming an anti-reflection film on the surface of solar cells is a relatively feasible and cost-effective method to improve the photoelectric conversion efficiency of solar cells. The PEC...[Details]
Rutronik and EnOcean once again jointly demonstrated smart and energy-saving energy harvesting wireless technology at the 2023 Shanghai International Intelligent Building Exhibition Combined with E...[Details]
ASUS recently announced organizational adjustments. The biggest change is that the PC business group will be merged into the ROG e-sports department and reorganized into the consumer products departm...[Details]
CTU: Adding counter
Analysis: When the count value reaches 5, Q output M300.0 = 1, and reset is performed in the next cycle
Instruction, so that the count value is cleared, then Q o...[Details]
Japanese Toyota Group and electric utility giant JER jointly announced on October 27 that Toyota has commissioned a second-life battery energy storage system consisting of lithium-i...[Details]
Avnet's MaaXBoard single-board computer is ideal for industrial automation, IoT, AI and multimedia applications. Avnet has launched a low-cost, production-ready MaaXBoard to provide customers with s...[Details]
Industrial equipment that operates from three-phase AC often requires an auxiliary power stage that can provide stable low-voltage DC power to analog and digital circuits. Examples of such applicat...[Details]
LIS2DW12 is an ultra-low power 3D accelerate sensor in ST's second-generation MEMS family. It is often used in miniaturized wearable products such as rings and headphones. Among them, implanting 3D...[Details]